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General technical requirements for laboratory furniture
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| Standard ID | GB/T 24820-2024 (GB/T24820-2024) | | Description (Translated English) | General technical requirements for laboratory furniture | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y81 | | Classification of International Standard | 97.140 | | Word Count Estimation | 26,266 | | Date of Issue | 2024-06-29 | | Date of Implementation | 2025-01-01 | | Older Standard (superseded by this standard) | GB 24820-2009 | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration |
GB/T 24820-2024. General technical requirements for laboratory furniture
ICS 97.140
CCSY81
National Standards of People's Republic of China
Replaces GB 24820-2009
General technical requirements for laboratory furniture
Released on 2024-06-29
2025-01-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Range 1
2 Normative references 1
3 Terms and Definitions 1
4 Symbols 2
5 Product Categories 4
6 Requirements 4
7 Test methods 7
8 Laboratory Benches and Storage Cabinets Design and Installation Guidelines 12
9 Inspection Rules 12
10 Labeling, instructions for use, packaging, transportation and storage 13
Appendix A (Informative) Design and Installation Guide for Laboratory Benches and Storage Cabinets 15
References 19
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB 24820-2009 "General Technical Requirements for Laboratory Furniture". Compared with GB 24820-2009, except for structural adjustments and
In addition to editorial changes, the main technical changes are as follows.
a) The scope of non-application has been changed (see Chapter 1, Chapter 1 of the.2009 edition);
b) Modified normative references. Updated according to the changes in the referenced documents or the referenced document year (see Chapter 2,.2009
Chapter 2 of the.2011 edition);
c) Changed terms and definitions. deleted structure, operating surface, facility area, etc.; added laboratory furniture, laboratory bench and storage cabinet (see
Chapter 3, Chapter 3 of the.2009 edition);
d) Changed symbols. symbols such as total depth of countertop, reagent (or equipment) rack suspension depth, facility area depth and countertop width have been deleted.
Its description; added the definition and explanation of the symbols for the net width, net depth and net height of the test bench leg space, knee space and foot space
Ming (see Chapter 4, Chapter 4 of the.2009 edition)
e) The classification has been changed (see 5.1, 5.2, 5.3, 5.1, 5.2, 5.3 of the.2009 edition), and the classification by console layout has been deleted (see
Version 5.4);
f) The main dimensions have been changed (see 6.1 Table 2, No. 2, No. 6 to No. 10 in 6.1 Table 2 of the.2009 edition). The table width has been deleted.
Depth, facility area depth, reagent (or equipment) rack suspension depth, operating table bottom plate height from the ground (see 6.1 Table 2 of the.2009 version)
No. 1, No. 3, No. 4~No. 5, No. 11);
g) The main dimensions and dimensional deviations, shape and position tolerances have been changed (see 6.2, 6.2 of the.2009 edition)
h) The appearance requirements have been changed (see 6.3.1 to 6.3.5, 6.3 of the.2009 edition), and the requirements for plastic parts and stone parts have been added (see 6.3.6,
6.3.7);
i) The safety performance requirements and test methods have been changed (see 6.4, 7.4.3, 6.6, 8.4.5 of the.2009 edition), and the test method for retained liquid has been added.
Requirements for test bench surfaces and test bench handles (see 6.4.6);
j) The flame retardancy requirements and test methods have been deleted (see 6.7 and 8.4.6 of the.2009 edition);
k) Deleted the requirements and test methods for drainage pipes, aging resistance, crack resistance, and anti-static properties of physical laboratory tables (see the.2009 edition
6.8.1~6.8.3 and 8.4.7 Table 11, No. 1, No. 2);
l) The physical and chemical performance requirements and test methods have been changed (see 6.5, 7.4.4, 6.8, 8.4.7 of the.2009 edition), and the durability of plastic materials has been increased.
Requirements and test methods for aging and impact strength (see 6.5.1.6, 7.4.4.6);
m) The mechanical property requirements and test methods have been changed (see 6.6, 7.4.5, 6.9, 8.4.8 of the.2009 edition), and the mechanical properties of the test bench have been added.
The requirements for the test sequence (see 7.4.5.1, 7.4.5.2) have been added, and the durability test of the height adjustment device of the independent test bench and the foot test have been added.
Wheel reciprocating durability test (see Table 6 of 7.4.5.2);
n) The requirements for test specimens have been changed (see 7.1, 8.1 of the.2009 edition);
o) Deleted the test report (see 8.5 of the.2009 edition);
p) The design and installation guidelines have been changed (see Chapter 8, Chapter 7 of the.2009 edition);
q) The content of the mark has been changed (see 10.1, 10.1 of the.2009 edition);
r) The instructions for use have been changed (see 10.2, 10.5 of the.2009 edition).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by China Light Industry Federation.
This document is under the jurisdiction of the National Furniture Standardization Technical Committee (SAC/TC480).
This document was drafted by. Beijing Furniture Industry Association, Shanghai Quality Supervision and Inspection Technology Research Institute, Hebei Fudu Huachuang Furniture Manufacturing Co., Ltd.
Co., Ltd., Zhejiang Hutong Ergonomics Technology Co., Ltd., Beijing Sunrise Tianmu Furniture (Shenzhou) Co., Ltd., Xuele Technology (Jin
Hua) Co., Ltd., Beijing Product Quality Supervision and Inspection Institute, China Furniture Association, Beijing Liming Stationery Furniture Co., Ltd., Jiangxi Jinhu
Insurance Equipment Group Co., Ltd., Yusheng Furniture Co., Ltd., Shanghai Dafeng Laboratory Equipment Co., Ltd., Beijing Mingyuan Noel Technology Co., Ltd.
Shandong Oupu Technology & Trade Co., Ltd., Beijing Sunray Borui Laboratory Equipment Co., Ltd., Jiangxi Guangzheng Metal Equipment Group Co., Ltd., Jiangxi
Wanxiang Furniture Group Co., Ltd., Jiangxi Yuanda Insurance Equipment Industry Group Co., Ltd., Beijing Liri Office Supplies Co., Ltd.,
Pan American Laboratory Systems Technology Co., Ltd., Jiali Xinde Furniture Co., Ltd., Zibo Haomai Laboratory Equipment Co., Ltd., Tangshan
Hengli Furniture Co., Ltd., Beijing Huadu Jiamei Intelligent Technology Co., Ltd., Shenzhen Hongyi Construction Group Co., Ltd., Jirong Furniture Co., Ltd.,
Beijing Huaaoshengshi Furniture Co., Ltd., Hebei Shuntian Intelligent Technology Development Group Co., Ltd., Beijing Weisen Shengye Furniture Co., Ltd., Guangdong
Tianciwan Laboratory Equipment Manufacturing Co., Ltd., Beijing Oriental Zhongkeda Technology Co., Ltd., Hebei Fuzhen Industrial Co., Ltd., Beijing Hui
Huang Furniture Group Co., Ltd., Beijing Xinguojing Office Furniture Co., Ltd., Beijing Dishang International Decoration Design Co., Ltd., Beijing Zhongjian Huateng
Decoration Engineering Co., Ltd., Suining County Shaji Town E-commerce Association, Beijing Construction Machinery Asset Management Co., Ltd. Xisanqi Branch, Beijing Zhongying
Tong Information Technology Co., Ltd., Fenghejian Environmental Art Design (Beijing) Co., Ltd.
The main drafters of this document are. He Fajian, Luo Jufen, Hao Hongyang, Huang Pengfei, Guo Jianqiang, Li Weibing, Li Shengguo, Cao Fengyu, Sun Jin, Yang Lei,
Qu Guangbing, Sun Shudong, Ma Shanzhi, Xiong Bolin, Wang Zhaojun, Wang Wenfeng, Guo Hongbo, Jiang Guoliang, Liu Xiaojian, Hu Xiuwen, Jiang Zilan, Xiao Min, Yang Bo,
Chen Guohua, Xu Di, Zhang Fengyan, Zhao Zhixian, Gao Ruite, Wang Hui, Ni Yongqing, Zhu Min, Tan Kaixuan, Zhu Jiang, Luo Jihong, Ren Shuqin, Cheng Yu, Shi Haidong,
Shi Rongzhou, Weng Zhenhui, Yan Han, Liu Jianping, Li Aiwen, Meng Qingfeng, Liang Shuqiang, Chen Deyi, Zhu Jianwu, Zhang Lei, Ma Qianyi, Li Chaoxia, and Wang Shuifa.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2009 as GB 24820-2009;
---This is the first revision.
General technical requirements for laboratory furniture
1 Scope
This document specifies the product classification, requirements, design and installation guidelines, inspection rules, marking, instructions for use, packaging and transportation of laboratory furniture.
and storage, and describes the test methods.
This document applies to the design, production, installation, sales and quality inspection and evaluation of laboratory benches and storage cabinets.
This document does not apply to furniture for special laboratory use.
Examples. Special laboratories, such as those for assessment of ageing, degradation, heating effects, ergonomics and fire protection.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 250 Textiles - Grey scale for colour fastness tests
GB/T 1043.1-2008 Determination of impact properties of simply supported plastic beams Part 1.Non-instrumented impact test
GB/T 3324 General technical requirements for wooden furniture
GB/T 3325 General technical requirements for metal furniture
GB/T 2828.1-2012 Sampling procedures for inspection by attributes Part 1.Sampling for batch inspection based on acceptance quality limit (AQL)
plan
GB/T 10357.1-2013 Furniture mechanical properties test Part 1.Strength and durability of tables
GB/T 10357.4-2023 Furniture mechanical properties test Part 4.Cabinet stability
GB/T 10357.5-2023 Furniture mechanical properties test Part 5.Cabinet strength and durability
GB/T 10357.7-2013 Furniture mechanical properties test Part 7.Table stability
GB 15763.2 Safety glass for building Part 2.Tempered glass
GB/T 16422.2 Plastics laboratory light source exposure test method Part 2.Xenon arc lamp
GB/T 17657-2022 Test methods for physical and chemical properties of wood-based panels and veneer wood-based panels
GB 18584 Limits of Hazardous Substances in Furniture
GB/T 21747-2008 Safety requirements and test methods for teaching laboratory equipment test benches (tables)
GB 28008 Technical Specification for Furniture Structure Safety
GB/T 28202-2020 Furniture Industry Terminology
GB/T 32487-2016 General technical requirements for plastic furniture
GB/T 33282-2016 General technical requirements for indoor stone furniture
GB/T 38607-2020 Test methods for stability, strength and durability of office furniture tables and desks
3 Terms and definitions
The terms and definitions defined in GB/T 28202-2020 and the following apply to this document.
3.1
Laboratory furniture laboratoryfurniture
Furniture used for laboratory test operations and for placing instruments and materials.
......
GB 24820-2009
General technical requirements for laboratory furniture
ICS 97.140
Y81
National Standards of People's Republic of China
Laboratory furniture general technical conditions
Posted 2009-12-15
2010-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 Symbols 2
5 Category 3
6 Requirement 4
7 Design and Installation Guide 10
8 10 Test Method
9 inspection rules 15
10 signs, packaging, storage, transportation, instructions 16
Appendix A (informative) Design and Installation Guide 18
References 24
Foreword
6.5, 6.6 of this standard are mandatory, others are recommended.
The technical contents of this standard reference BSEN13150.2001 "test-bed size, safety requirements and test methods", BSEN
14056.2003 "Laboratory furniture design and Installation Guide", BSEN14727.2005 "Laboratory furniture laboratory lockers requirements
And test methods ", and made in accordance with the laboratory furniture is characterized by the following changes and additions.
--- Increasing the terms and definitions, symbols, product classification, requirements and inspection rules;
--- The symbol "L" instead of "l" represents liter or length;
--- Increased by reference.
Appendix A of this standard is an informative annex.
The standard proposed by China National Light Industry Council.
This standard by the National Standardization Center furniture.
Drafting of this standard. Shanghai Quality Supervision, Inspection Technology Research Institute, Beijing Furniture Industry Association, China Furniture Association home office
A professional committee, Beijing Wood Furniture Quality Supervision and Inspection Station.
Participated in the drafting of this standard. Beijing Wujin modern office equipment limited liability company, Beijing Mingyuan experimental furniture limited liability company, the North
Beijing Sen Leipu Laboratory Equipment Co., Ltd. Shanghai-domain laboratory equipment, office supplies Beijing Lai, limited liability company, the North
BOE in Keda Technology Co., Ltd., Beijing Staples Trading Company, Op Electronics Co., Ltd. Shandong, Hebei Jeroen Furniture Co.
Division, Beijing Shuya Xuan furniture factory.
The main drafters of this standard. what method Jian, Liu Wenzhi, Luo Jufen, Dr. Shou Tian Luo, Liu Junfeng, Hu Xiuwen Wu recruit and promote, Kang, Li Jun,?
Yang Lei.
Laboratory furniture general technical conditions
1 Scope
This standard specifies the terms and definitions of laboratory furniture, symbols, classification, requirements, test methods, inspection rules and signs, packaging, storage,
Transportation and use.
This standard applies to schools, hospitals, scientific research, quality control and other units of laboratory physics laboratory bench, bench chemistry, biology bench, console
Lockers and other common laboratory furniture.
This standard does not apply to laboratory chairs, stools, and special laboratory (such as aging, degradation assessments, heating effect, ergonomics and fire
Etc.) used in furniture.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 1732-1993 Determination of impact resistance of film
GB/T 2828.1-2003 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch test sample
plan
GB/T 3324-2008 wood furniture general technical conditions
GB/T 3325-2008 Metal furniture general technical conditions
GB 4793.1 measurement, control and laboratory safety requirements for electrical equipment - Part 1. General requirements
GB/T 4893.1 furniture surface resistance to cold liquids assay
GB/T 4893.2 furniture surface resistance to wet heat
GB/T 4893.3 furniture surface resistance to dry heat assays
GB/T 4893.4 furniture surface film cross-cut adhesion assay
GB/T 4893.7 furniture surface resistance to heat and cold assay
GB/T 4893.8 Determination of the furniture surface paint wear
GB/T 4893.9 Determination of furniture surface resistance to impact
GB 5296.6 consumer use - Part 6. Furniture
GB 6566 building materials radionuclide limits
GB/T 6739-2006 Determination of film hardness by pencil test paints and varnishes
Basic identification colors GB 7231 industrial piping, identifying symbols and safety identification
Cut test GB/T 9286 Paints and varnishes
GB/T 10357.1-1989 furniture mechanical properties test of strength and durability of tables
GB/T 10357.4-1989 furniture mechanical properties test stability Cabinet
GB/T 10357.5-1989 Cabinet furniture mechanical properties test of strength and durability
GB/T 15102-2006 impregnated paper veneer plywood
GB 15763.2-2005 architectural safety glass - Part 2. Tempered glass
GB/T 17657-1999 panels and veneer plywood physical and chemical performance test method
GB 18584 interior decoration materials, wooden furniture of harmful substances
GB/T 21747-2008 teaching laboratory equipment laboratory bench (tables) safety requirements and test methods
Acetic acid salt spray corrosion test methods test QB/T 3827 light industrial products metal plating and chemical treatment layer (ASS) method
Evaluation QB/T 3832 light industrial products metal coating corrosion test results
ISO 4589-2.1996 Plastics - Determination of burning common oxygen index - Part 2. Test temperature
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
Console support parts, including frames, tables and legs.
3.2
Having a work surface supporting structure and meet the required services.
3.3
Connecting furniture made of the structure and operation plane, also known as the bench.
3.4
Distribution facilities (water, electricity, gas, etc.) for the region.
3.5
No connection with the building structure, the presence of independent members.
3.6
Directly or through another unit connected to the building structure member.
3.7
Composed entirely of one or more building walls supporting member.
3.8
Supported by the roof members.
3.9
With slides, wheels or casters parts.
3.10
Can automatically control the door is fully open, fully closed device.
3.11
Prevent misuse of the movable member when the device is opened.
4 Symbol
This standard is used in Table 1, Figure 1 symbol.
Table 1 console main dimensions of the symbol and description
No. Name Symbol Description
8 mesa width L worktop left, the horizontal distance between the right side
a) the console front view b) side view of one side of the console c) double-sided console side view
Figure 1 a schematic view of the size of the main console
Category 5
5.1 By Application
a) Station. such as physics, chemistry, biology bench, bench instruments, space platforms, washing station, clean benches, etc;
b) lockers. Usually used to store laboratory medicine, drugs, utensils and other items with the Cabinet.
5.2 Classification by cabinet materials
a) Wooden cabinet. cabinet materials used for wood-based panels and (or) wood;
b) Steel cabinet. cabinet materials used for the metal material;
c) Mixed material cabinet. cabinet material is steel and wood composite materials.
5.3 Classification by structure
a) Fixed. the building floor or wall fixed connection;
b) stand-alone. no structural connection with the building, independent existence;
c) Combined. combination of two or more monomers together.
5.4 Classification by console layout
a) a font. console using a zigzag arrangement;
b) L-type. two adjacent console using L-shaped arrangement;
c) U Type. Three adjacent console using U-shaped arrangement;
d) island. the console is arranged in the middle of the laboratory. According to the arrangement position, it can be divided into.
--- Island central console. console entirely located in the middle of the laboratory;
--- Peninsula central laboratory bench. one end of the console against the wall; console if one long side of the wall, it is called the side bench.
6 Requirements
6.1 Main dimensions
Desk, lockers main dimensions to comply with Table 2.
Table 2 Main dimensions in millimeters
Test item number
Requirements Item Category
The main differential basic general Size Size
1 mesa width (L) 600 ~ 1800 300 √
Reagent rack
Equipment rack
Seated
Standing
Operating audience headroom
High headroom
Clearance width
Lockers vertically movable member AGL
50 to 400
≤150
≥150
≤760
≤900
≤1750
≥580
≥520
≥150
≥100
NOTE. There are special requirements for laboratory furniture, its size requires agreement by both parties, expressly and in writing; where "standing" refers to standing, or sitting in a high chair or high
Stool posture.
6.2 Dimension deviation and shape position tolerance
Desk, lockers dimensions and shape deviation position tolerances shall conform to Table 3.
Table 3 Dimensions and shape position tolerance deviation in millimeters
No. Inspection Item Requirement
Item Category
Basic general
Foot shape
Inch deviation
Subject product identification and measured the size of deviation (or supporting
Product mix dimensions deviation should be taken with a positive or
Negative)
Embedded, built-in equipment countertop slot (port) Dimensions
± 5
[0, + 5]
Shape bit
Set Tolerance
Countertops, front panel warpage
Diagonal length ≥1400 ≤3.0
700≤ diagonal length < 1400 ≤2.0
Diagonal length < 700 ≤1.0
Countertops, front panel flatness ≤0.2
Foot stability ≤1.0
Table 3 (Continued) millimeters
No. Inspection Item Requirement
Item Category
Basic general
Shape bit
Set Tolerance
Cabinet adjacent side verticality
A front surface
Plate frame
diagonal
length
opposite
length
≥1000 length difference ≤3
< Length difference ≤2 1000
≥1000 edge length difference ≤3
< 1000 edge length difference ≤2
The degree of difference
Door and the frame, the distance between the surface of the door and the door neighbor
Deviation (non-design requirements) ≤
2.0
Drawer frame, doors, drawers, basket adjacent surfaces
Distance deviation between the (non-design requirements) ≤
1.0
Parting parting all (non-design requirements) ≤2.0
drawer
Sag ≤10
Wobble ≤10
6.3 Woodworking and appearance requirements
6.3.1 worktop should not have cracks, osmotic phenomena (basic items).
6.3.2 worktop should not have dirt, impurities (general project).
6.3.3 Wooden parts, veneer plywood, glass blocks, carpentry requirements should comply with GB/T 3324-2008 Table 4 "wooden pieces appearance, artificial
Plate appearance, the appearance of pieces of glass, woodworking requires "requirement.
6.3.4 metal appearance requirements should be consistent with GB/T 3325-2008 Table 4 "pieces of metal appearance requirements" requirement.
6.4 material requirements
Desk, lockers material requirements shall conform to Table 4.
Table 4 material requirements
Reference material requirements test methods
Item Category
Basic general
wood
There still should not use live insects attack wood materials,
Wood-based material shall insecticide-treated
Inspection √
Wood moisture content should be 8% to area in products
The average equilibrium moisture content of wood + 1%
According to GB/T 3324-2008 in 6.3.4
Provisions √
3 veneer plywood
Bending strength, internal bond strength, moisture content, 24h
Thickness swelling, screw holding shall comply with the
GB/T 15102-2006 in Table 3 or Table 4
Claim
According to GB/T 17657-1999 of 4.9,
4.8,4.3,4.5,4.10 provisions
4 glass member
Any ≥0.06m2 vertical glass components should be consistent
GB 15763.2 requirements
According to the provisions of GB 15763.2-2005
Be √
6.5 harmful substances (basic items)
6.5.1 wooden furniture of harmful substances shall comply with the provisions of GB 18584.
6.5.2 Natural Stone radioactivity shall comply GB 6566 in Class A requirements.
6.6 Security Requirements
Desk, locker security shall meet the requirements specified in Table 5.
Table 5 Safety requirements
Reference test method requirements
Item Category
Basic general
The distance between the movable member 1/mm ≤8 press or ≥25 GB/T 3324-2008 of 6.1 √
Contact with the body parts there should be no burr, blade, sharp edges and corners
And ends
Folding products should be folded flexible, there should be no self-folding phenomenon
Inspection
The need to retain the liquid operating table, should in all of its edge with a retaining
Plate, retaining plate and splicing table should be solid, joints should be tight, with flap
Flap dislocation of collusion
Injecting water into the tank tops and flap formation,
24h later to see if water seepage
All pre-roll vertical sliding door in any point 50mm above the closure of a
Position should not move on their own
The roll-up door is placed above the closed position 50mm sentenced
On, check for yourself slipping situation √
All-drawn part should assemble an effective stopper, when it packs
Including the load, including mass exceeds 10kg, applied at the handle 200
N force, the member should not be pulled off; or, in its front face affixed a warning
Label, indicating that the part is easily pull off
Check whether the installation limit device; check whether posted
Warning labels. If no label is in place to pull the handle
200N off the direction of the applied force, to check whether the component
It will be pulled off
7 wheels or casters moving parts shall have at least two locking devices Inspection √
Not bench against the wall, and it should be back in the top of reagent rack/shelf open
Port side edge of the mounting crosspiece not less than 30mm of
According to GB/T 3324-2008 of 6.1 √
Station drawers and doors of the front face portion should be done or the corresponding hypotenuse
Pan-water treatment, to avoid dripping of residual liquid countertop or into cabinet
Inspection √
10 worktop seams should be smooth, dense, not water seepage, water droplets will be slotted at the seams, 24h after to see if water seepage √
6.7 flame retardant (basic items)
Laboratory furniture countertop materials oxygen index of not less than 35.
6.8 Physical and Chemical Properties
6.8.1 Drainage Management of Performance (basic items)
There should be no cracks after heat and cold resistant drain test, water leakage.
6.8.2 Physical and Chemical Properties console table
Console table should meet the physical and chemical properties specified in Table 6.
Table 6 Physical and Chemical Properties console table
No. Item Test Conditions Requirements
Item Category
Basic general
1 wear
Wear value/(mg/100r)
Surface condition
Pattern. Grinding 100r
Plain. Grinding 350r
≤80 √
It should retain more than 50% of pattern √
There should be no exposed end of the phenomenon √
2 resistant to scratches 1.5N, draw one week without full circle continuous scratch √
3 anti-aging
Modulation (23 ± 2) ℃, (50 ± 5)%, 48h
Aging (45 ± 5) ℃, 65% ~ 90%, 72h
No cracking √
4 cracking resistance (20 ± 2) ℃, (24 ± 1) h is not less than 1 √
Table 6 (Continued)
No. Item Test Conditions Requirements
Item Category
Basic general
5 resistance to thermal cycling
(80 ± 2) ℃, (120 ± 10) min,
(-20 ± 3) ℃, (120 ± 10) min; four
cycle
No cracks, bubbling, wrinkling, and no significant
Color √
6 resistance to steam vapor, (60 ± 5) min no projections, cracking and significant discoloration √
7 Resistance to dry heat (180 ± 1) ℃, 20min is not less than 3 √
8 Physics Experiment mesa shock impact resistance test machine, the impact shock pit height 1m diameter ≤10mm √
9 Physical Experiment countertops antistatic measuring resistance meter ≥1.0 × 105Ω √
Chemical experiment chemical resistant countertops
Reagents
A little test solution, 24h gloss and color allow a slight change √
Physics, chemistry experiment mesa resistance
high temperature
(120 ± 3) ℃, 2h no crack √
12 biological experiments countertops stain a little test solution, 24h is not less than 3 √
NOTE. There are special requirements for laboratory furniture, its physical and chemical properties requires agreement by both parties, expressly and in writing.
a test solution including edible soy GB/T 17657-1999 specified in 4.37, vinegar, coffee, wine color, black shoe polish, aqueous sodium carbonate.
6.8.3 console cabinet lockers and surface physical and chemical properties
Console cabinet lockers and physical and chemical properties of the surface shall meet the requirements in Table 7.
Table 7 Console Cabinet and lockers surface physical and chemical properties
No. Test Item Test Conditions Requirements
Item Category
Basic general
Metallic paint
(Plastic) coating
Hardness ≥H √
Impact strength 3.92J no peeling, cracks, wrinkles √
Acid corrosion 24h salt spray test (ASS) of not less than 7 √
Metal plating layer
Adhesion is not less than 2 √
Acid corrosion 24h salt spray test (ASS) of not less than 7 √
And wooden pieces
Wood-based panel finishes
Resistance was 10% sodium carbonate and 30% acetic acid, 24h no obvious discoloration, bubbling, wrinkles and other √
Adhesion
Each cut marks including 11 long 35mm, Room
- Distance 2mm cutting marks, Group 2
Is not less than 3 √
Resistance to heat 70 ℃, 20min is not less than 3 √
Resistance to dry heat 80 ℃, 20min is not less than 3 √
Resistant to heat and cold
Temperature (40 ± 2) ℃, relative humidity of 98% to
99%, and (-20 ± 2) ℃, 3 cycles
No bubbling, cracks and obvious loss of light √
Impact wooden surfaces (film) impactor, 200mm is not less than 3 √
Wear
Pattern. There should be no grinding 100r exposed end of the phenomenon
Plain. There should be no grinding 350r exposed end of the phenomenon
Impregnated peelable class Ⅱ impregnated peel
Layer or veneer, Edge banding substrate
Room no peeling, delamination √
NOTE. There are special requirements for laboratory furniture, its physical and chemical properties requires agreement by both parties, expressly and in writing.
6.9 Mechanical Properties
6.9.1 Mechanical Properties console
Station mechanical properties shall meet the requirements in Table 8.
Console Table 8 Mechanical Properties
No. Item Test Conditions Requirements
Inspection Item Category
Basic general
1 calm water load test
2 vertical static load test
3 continuous vertical static load
Force 600N, 10 times
Main desktop. force 2000N, 10 times
Auxiliary desktop. force 500N, 10 times
Load 1.25kg/dm2,24h
Shall comply with GB/T 10357.1-1989
The provisions of Chapter 8
4 shelves bending test load 1.25kg/dm2,24h
When loaded, the flexible shelf
Degree ≤ span/200
After unloading, flexible shelf
Degree ≤ span/1000
And meet
GB/T 10357.1-
1989 Chapter 8
Provision
Independent console level punch
Click stability test
Vertical plus independent console
Load stability test
Quality 50kg
Drop height 40mm
No drawer. force 1000N
Drawer. Force 750N
Not tipping, and in line with GB/T 10357.1-
The provisions of Chapter 8 1989
7 Events Station Drop Drop height. 150mm, 10 times
8 levels of endurance test
Force. 150N, 200N, 250N, 300N
Cycles. 5000, 10000,
15000, 20000
Shall comply with GB/T 10357.1-1989 Article 8
Provisions of Chapter
9 vertical durability test
Force. 300N, 400N, 500N
Cycles. 5000, 10000,
15000, 20000
10 vertical impact test
Drop height. 150mm, 200mm,
300mm, 10 times
Shall comply with GB/T 10357.1-1989 Article 8
Provisions of Chapter
Note. The serial number 8,9,10 test conditions determined by the supply and demand sides, while not required, the test conditions specified value used in the inspection report.
6.9.2 lockers mechanical properties
Lockers mechanical properties shall meet the provisions of Table 9.
Table 9 Mechanical Properties of lockers
No. Item Test Conditions Requirements
Item Category
Basic general
1 shelf stability test
Horizontal force ≥ 50% by weight of the shelf load shelf security should not fall off √
Vertical force 100N load shelves should not tipping √
2 shelves bending test
Uniform load. 1.0kg/dm2
Loading time. metal, glass, stone put
Board. 1h; other shelf. 7d
Shelf support strength test 3
Load. 1.0kg/dm2, impact energy
1.66N · m, 10 times
When loaded, shelf deflection
≤ span/200
After uninstalling, shelf deflection
≤ span/1000
Displacement ≤3.0mm
Shall comply with GB/T
10357.5-1989
The provisions of Chapter 9
Table 9 (continued)
No. Item Test Conditions Requirements
Item Category
Basic general
4 sliding doors strength test quality 30kg, 10 times
5 sliding calm water load test force 80N, 10 times
6 sliding door shoved open trial quality 3.0kg, 10 times
7 sliding durability test
Mass 2.0kg, cycles 50000 times, the rate of
6 times/min
And lateral sliding door opening and closing volume
Meng opened the door slamming test
Quality (Wa + 4.0) kg, 10 times
And lateral sliding door opening and closing volume
Door durability test
Cycles 20,000 times
10 drawer slamming test
Quality 5kg, speed of 1.3m/s
Mass 35kg, speed of 1.0m/s
11 drawers and slide strength test force 250N, 10 times
12 drawers and slide durability test 50,000
13 drawer structural strength test force 70N, 10 times
14 Turn door strength test force 200N, 10 times
15 Turn door durability test cycles 20,000 times
Vertical opening and closing of the roll-up door slamming
test
30 times
Vertical opening and closing of the roll-up door durability
test
Vertical static load of roof
Test b
Force 1000N, 10 times
19 overload test 7d
Shall comply with GB/T 10357.5-
The provisions of Chapter 9 of 1989
20 stability test load torque 200N · m
Moving parts steady vertical load
Qualitative test
Table 10 Load
Not tipping
Equipped with casters-table cabinet
Means test limit
Relative to the horizontal ground 5 ° inclination, the load should not be moved √ Table 10
Strong body structure and chassis for
Test
Force 300N, 10 times
Displacement ≤15mm, and character
Co GB/T 10357.5-
The provisions of Chapter 9 of 1989
a door just move the desired quality.
b Laboratory lockers in all of the top to the ground distance of not more than ≤1050mm furniture.
Table 10 required load
Project Requirements
Shelf, folded plate, a bottom plate 1.00kg/dm2
Internal height ≤100mm the basket 0.65kg/dm2
Other Baskets 0.20kg/dm2
Clear height ≤110mm stretchable member 0.35kg/dm2
Other drawers 0.20kg/dm2
7 Design and Installation Guide
Design and Installation Guide, see Appendix A, not as a laboratory furniture technical requirements.
8 Test methods
8.1 Preparation of test small samples
With a small test sample should be made directly in the laboratory furniture can also be used the same materials and production process.
8.2 Inspection procedures
Inspection procedures should be followed as far as possible without prejudice to the remaining test items correctness. After the installation of laboratory furniture, the first for the appearance, size
Shape and position tolerance test, and then the processing requirements of the inspection, the final destructive test projects to test.
8.3 Test Project Classification
Test project is divided into basic items, general project.
8.4 Test items and test methods
8.4.1 Determination of the main dimensions, dimensions and shape position deviation tolerance
Main dimensions (6.1) and dimensions deviation (Table 3, No. 1, No. 2) was measured according to GB/T 3324-2008 specified in 6.1
get on.
Form and position tolerances (Table 3 No. 3 to No. 9) were measured according to GB/T 3324-2008 specified in 6.2.
8.4.2 carpentry and visual inspection
Worktop permeability test. sprinkle water on the table, 24h after the observation whether seepage.
Other carried by GB/T 3324-2008 specified in 6.4.2.
8.4.3 Test material
Test method requires the use of materials shown in Table 4.
8.4.4 Determination of harmful substances
8.4.4.1 wood furniture harmful substances (6.5.1) is determined according to the provisions of GB 18584 was.
8.4.4.2 natural stone radioactivity (6.5.2) is determined according to the provisions of GB 6566 will be.
8.4.5 Security requirements for inspection
The method of testing the safety requirements in Table 5.
8.4.6 Determination of flame retardancy
Conducted in accordance with GB/T 2406-1993 of.
8.4.7 Physical and chemical properties Test
Be as defined in Table 11.
Table 11 physical and chemical properties test
Test item number (Clause No.) test method
Drain surface
Physical and chemical propert...
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