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LY/T 1279-2020: Polyvinyl chloride film overlaid wood-based panels
Status: Valid LY/T 1279: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| LY/T 1279-2020 | English | 299 |
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Polyvinyl chloride film overlaid wood-based panels
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LY/T 1279-2020
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| LY/T 1279-2008 | English | 519 |
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Polyvinyl chloride film overlaid wood-based panels
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LY/T 1279-2008
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| LY/T 1279-1998 | English | 439 |
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Decorative wood-based panel with polyvinyl chloride film
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LY/T 1279-1998
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PDF similar to LY/T 1279-2020
Basic data | Standard ID | LY/T 1279-2020 (LY/T1279-2020) | | Description (Translated English) | Polyvinyl chloride film overlaid wood-based panels | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B70 | | Classification of International Standard | 79.060 | | Word Count Estimation | 13,156 | | Date of Issue | 2020-03-30 | | Date of Implementation | 2020-10-01 | | Older Standard (superseded by this standard) | LY/T 1279-2008 | | Regulation (derived from) | Announcement No. 6 of 2020 by the State Forestry and Grassland Bureau | | Issuing agency(ies) | State Forestry and Grassland Administration | LY/T 1279-2020: Polyvinyl chloride film overlaid wood-based panels---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Polyvinyl chloride film overlaid wood-based panels
ICS 79.060
B 70
LY
People's Republic of China Forestry Industry Standard
Replace LY/T 1279-2008
PVC film facing artificial board
2020-03-30 released
2020-10-01 implementation
Issued by the State Forestry and Grassland Administration
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is a revision of LY/T 1279-2008 "PVC Film Facing Artificial Panels". This standard is compared with LY/T 1279-2008
The main technical content changes are as follows.
--Modified the classification;
--Added raw material requirements;
-Modified the allowable deviation of length, width and thickness in the specifications;
- Increase the flatness requirement and cancel the warpage requirement;
- Modified the appearance quality requirements;
--Modified the physical and chemical performance requirements;
-Modified the limit requirements for hazardous substances;
-Modified the requirements for sampling and size of test pieces;
- Delete the amount of formaldehyde released in the factory inspection;
--Modified the inspection rules.
Please note that certain contents of this document may involve patents. The publishing organization of this article does not bear the responsibility for identifying these patents.
This standard was proposed and managed by the National Wood-based Panel Standardization Technical Committee (SAC/TC 198).
Drafting organizations of this standard. South China Agricultural University, Shenzhen Songboyu Technology Co., Ltd., Guangzhou Yimei Medical Furniture Technology Co., Ltd.
Co., Ltd., Guangdong New Elegant Industrial Co., Ltd., Guangdong Yaodonghua Decoration Material Technology Co., Ltd., Dongguan Huali Industrial Co., Ltd.
Company, Shengxiang Group Co., Ltd., Dehua Bunny Decoration New Material Co., Ltd., Jiangsu Jiarui Wood Co., Ltd., Xuzhou Allianz Wood Co., Ltd.
Limited company.
The main drafters of this standard. Hou Xianfeng, Sun Jin, Zhan Xiongguang, Li Yong, Fan Yaojie, Zeng Minhua, Xie Zhikun, Chen Danan, Cheng Mingjuan,
Liu Hailiang, Gao Zhenzhong, Wang Shujie, Zhang Kun.
The previous versions of the standard replaced by this standard are as follows.
LY/T 1279-1998;
LY/T 1279-2008.
PVC film facing artificial board
1 Scope
This standard specifies the terms and definitions, classification, requirements, measurement and test methods, inspection rules,
Identification, packaging, storage and transportation.
This standard applies to polyvinyl chloride film facing man-made panels.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document.
For undated references, the latest version (including all amendments) applies to this document.
GB/T 2828.1-2012 Sampling inspection procedure by attributes Part 1.Batch inspection sampling searched by acceptance quality limit (AQL)
plan
GB/T 3830-2008 Flexible polyvinyl chloride calendered film and sheet
GB/T 4615-2013 Determination of residual vinyl chloride monomer in polyvinyl chloride gas chromatography
GB/T 4897-2015 Particleboard
GB/T 5849-2016 Blockboard
GB/T 9846-2015 ordinary plywood
GB/T 11718-2009 Medium Density Fiberboard
GB/T 17657-2013 Test method for physical and chemical properties of wood-based panels and facing wood-based panels
GB/T 18259-2018 Artificial board and its surface decoration terms
GB 18580 The limit of formaldehyde emission in wood-based panels and products of interior decoration materials
GB 18586-2001 Limits of harmful substances in PVC floor of interior decoration materials
GB/T 19367-2009 Determination of the size of wood-based panels
GB/T 22048-2015 Determination of specific phthalate plasticizers in toys and children's products
GB/T 31765-2015 High Density Fiberboard
LY/T 1787-2016 Non-structural laminated timber
3 Terms and definitions
The following terms and definitions defined in GB/T 18259-2018 apply to this document.
3.1
A veneer man-made board (referred to as PVC veneer) made of artificial board as the base material and covered with polyvinyl chloride film.
4 categories
4.1 Classification by substrate type
a) Polyvinyl chloride film facing particle board;
b) PVC film facing medium density fiberboard;
c) PVC film facing high-density fiberboard;
d) PVC film facing plywood;
e) PVC film veneer blockboard;
f) PVC film facing non-structural laminated material.
4.2 Classification by finish
a) Single-sided polyvinyl chloride film facing man-made board;
b) Double-sided PVC film facing man-made board.
5 requirements
5.1 Raw materials
5.1.1 Polyvinyl chloride film
The PVC film used in the PVC film facing artificial board should meet the product quality requirements of the printed film in GB/T 3830-2008.
5.1.2 Artificial board substrate
5.1.2.1 Particleboard for base material
The physical and chemical properties of the particleboard used as the base material of the polyvinyl chloride film facing artificial board should meet the dry state specified in 6.3 of GB/T 4897-2015
The physical and chemical performance requirements of the furniture-type particleboard (P2 type) used under.
5.1.2.2 Medium density fiberboard for base material
The physical and chemical properties of the medium-density fiberboard used for the base material of the polyvinyl chloride film facing wood-based panels should meet the dry conditions specified in GB/T 11718-2009.
The furniture-type medium density fiberboard (MDF-FN REG) used in the dry state requires physical and chemical properties.
5.1.2.3 High-density fiberboard for base material
The physical and chemical properties of the high-density fiberboard used for the base material of PVC film facing artificial board should meet the general requirements specified in GB/T 31765-2015 5.3
General high-density fiberboard (HDF-GP REG) physical and chemical performance requirements.
5.1.2.4 Plywood for base material
The physical and chemical properties of the plywood used as the base material of the polyvinyl chloride film veneer wood-based panel should meet the type II plywood specified in 5.3 of GB/T 9846-2015
Physical and chemical performance requirements.
5.1.2.5 Blockboard for base material
The physical and chemical properties of the blockboard used for the base material of the polyvinyl chloride film facing artificial board should meet the requirements of 6.4 in GB/T 5849-2016.
5.1.2.6 Non-structural laminated materials for base materials
The physical and chemical properties of the non-structural laminated material used for the base material of the polyvinyl chloride film facing wood-based panel shall meet the requirements of 5.4 of LY/T 1787-2016.
5.2 Specifications and deviations
5.2.1 Length and width
The length, width and allowable deviation of PVC film facing man-made panels shall meet the requirements of Table 1.
5.2.2 Thickness
The thickness and allowable deviation of PVC film facing man-made panels shall meet the requirements of Table 2.
5.2.3 Verticality deviation
The vertical deviation of PVC film facing wood-based panels should meet the requirements of the corresponding base material standards.
5.2.4 Flatness
The flatness of polyvinyl chloride film facing man-made panels should meet the requirements of the corresponding base material standards.
5.2.5 Edge straightness
The edge straightness of the polyvinyl chloride film facing wood-based panel should meet the requirements of the corresponding base material standard.
5.3 Appearance quality
According to the appearance and quality of the product, it is divided into three grades. excellent, first-class and qualified. PVC film facing man-made board should ensure the decoration surface
The appearance quality meets the requirements of Table 3.The back side of the single-sided PVC film facing man-made board should meet the appearance quality requirements of the corresponding substrate qualified product
begging.
5.4 Physical and chemical properties
The physical and chemical properties of PVC film facing wood-based panels should meet the requirements of Table 4.
5.5 Limits of hazardous substances
The limit of harmful substances for PVC film facing wood-based panels shall meet the requirements of Table 5.
6 Measurement and test methods
6.1 Size measurement
6.1.1 Length and width
According to the provisions of GB/T 19367-2009 in 8.2.
6.1.2 Thickness
According to the provisions of GB/T 19367-2009 in 8.1.
6.1.3 Verticality deviation
Carry out in accordance with the provisions of GB/T 19367-2009 in 8.3.
6.1.4 Flatness
Carry out in accordance with the provisions of GB/T 19367-2009 in 8.5.
6.1.5 Edge straightness
According to the provisions of GB/T 19367-2009 in 8.4.
6.2 Specimen sampling and size requirements
6.2.1 Test pieces for physical and chemical properties
6.2.1.1 Distribution of the sample in the template
For each piece of polyvinyl chloride film facing man-made board for testing, prepare three samples with the same specifications as shown in Figure 1, and their numbers are A,
B, C.
Unit is mm
Figure 1 Schematic diagram of sample preparation
6.2.1.2 Distribution of test pieces in samples A, B and C
The distribution and numbering of test pieces in samples A, B, and C are shown in Figure 2.
Unit is mm
Figure 2 Schematic diagram of sample preparation
6.2.1.3 Number, size and quantity of test pieces
The number, size and quantity of test pieces required for each test item are shown in Table 6.
6.2.2 Hazardous substances limit test piece
6.2.2.1 Vinyl chloride monomer limit
Carry out according to the provisions of 5 in GB 18586-2001, cut 0.3g～0.5g sample from the polyvinyl chloride film layer of the sample.
6.2.2.2 Limits of soluble lead and soluble cadmium
Carry out according to GB 18586-2001 provision 5, carefully peel off the PVC film layer from the sample, try not to attach the substrate,
Rinse with deionized water and air dry.
6.2.2.3 Diester phthalate, butyl benzyl phthalate, di-n-butyl phthalate, di-n-octyl phthalate, phthalate
Content limit of diisodecyl formate and diisononyl phthalate
Carry out according to GB/T 22048-2015 clause 7, cut about 1.0 g sample from the PVC film layer of the sample.
6.2.2.4 Formaldehyde emission limit
According to the provisions of GB 18580.
6.3 Test method
6.3.1 Appearance quality
The inspection environment requirements are as follows.
a) The height of the inspection platform is about 700 mm.
b) The lighting source is three 40 W fluorescent tubes, the distance between the tubes is about 400 mm, and the length of the tube is consistent with the length of the board.
The height from the platform is about 2 m.
c) Inspectors should conduct inspections one by one at both ends of the board length, with a viewing distance of 0.5 m to 1.5 m and a viewing angle of 30° to 90°. According to Table 3
Determine its level.
6.3.2 Physical and chemical properties
6.3.2.1 Water content
According to the provisions of 4.3 in GB/T 17657-2013.
6.3.2.2 Surface bonding strength
According to the provisions of 4.16 in GB/T 17657-2013, the test piece needs to be balanced.
6.3.2.3 Surface scratch resistance
According to the provisions of 4.39 in GB/T 17657-2013.
6.3.2.4 Surface resistance to cold and heat cycles
According to the provisions of 4.38 in GB/T 17657-2013.
6.3.2.5 Color stability
Carry out in accordance with the provisions of 4.31 in GB/T 17657-2013.
6.3.2.6 Surface dry heat resistance
According to the provisions of 4.46 in GB/T 17657-2013.
6.3.2.7 Surface pollution resistance
According to the provisions of 4.41 in GB/T 17657-2013, acetone and black coffee are used as routine test pollutants.
6.3.2.8 Surface wear resistance
According to the provisions of 4.42 in GB/T 17657-2013.
6.3.2.9 Impact resistance
Carry out in accordance with the provisions of 4.51 in GB/T 17657-2013.
6.3.3 Limits of hazardous substances
6.3.3.1 Vinyl chloride monomer
Carry out according to GB/T 4615-2013.
6.3.3.2 Soluble lead and cadmium
According to the provisions of 5.4 of GB 18586-2001.
6.3.3.3 Diester phthalate, butyl benzyl phthalate, di-n-butyl phthalate, di-n-octyl phthalate, phthalate
Diisodecyl formate, diisononyl phthalate
According to the regulations of GB/T 22048-2015.
6.3.3.4 Formaldehyde emission
According to the provisions of GB 18580.
7 Inspection specifications
7.1 Inspection classification
7.1.1 The factory inspection shall include the following items.
a) Appearance quality;
b) Specifications and dimensions;
c) Surface wear resistance and surface pollution resistance in physical and chemical properties.
7.1.2 The type inspection shall include all the items in the technical requirements for appearance quality, specifications and dimensions, physical and chemical properties and hazardous substances limit. Under
When one of the conditions is listed, type inspection should be carried out.
a) When the raw and auxiliary materials and production process undergo major changes;
b) When production has been suspended for more than three months, when production resumes;
c) During normal production, the inspection shall be no less than twice a year;
d) When a new product is put into production or converted;
e) When the quality supervision department proposes type inspection requirements.
7.2 Sampling plan
7.2.1 Appearance quality
7.2.2 Specifications
7.2.3 Physical and chemical properties
The physical and chemical performance inspection shall adopt the re-inspection sampling plan according to Table 9.Take n1 boards for the first time, if an indicator in the test result is unqualified, then
Take n2 boards for the second time and re-inspect the unqualified items.
7.2.4 Limits of hazardous substances
From the qualified batches inspected for appearance, quality, specifications and dimensions, a sufficient number of PVC film facing artificial panels are randomly selected for harmful
Substance limit inspection. If the first inspection result does not meet the corresponding technical requirements, it is allowed to double the non-conforming items in the batch of samples.
Sample re-inspection.
7.3 Judgment rules
7.3.1 Specification size and its deviation judgment
When the specifications and deviations meet the technical requirements in 5.2 and Table 8, the specifications and deviations of the batch of samples are determined to be qualified, otherwise
Determined as unqualified.
7.3.2 Appearance quality judgment
When the appearance quality meets the technical requirements of the corresponding grade in 5.3 and Table 7, it is judged that the appearance quality of the batch of samples meets the corresponding grade, otherwise it is judged
Determined as not meeting the corresponding level.
7.3.3 Determination of physical and chemical properties
Water content, surface bonding strength, surface scratch resistance, surface resistance to cold and heat cycles, color stability, surface resistance to dry heat,
When the initial test pieces of surface pollution resistance, surface wear resistance, and impact resistance meet the corresponding technical requirements, the batch of PVC films
The corresponding performance of the veneer wood-based panel is judged as qualified; when a certain performance test piece cannot meet the corresponding technical requirements, the performance is allowed
Double sampling re-inspection is carried out, and if all the re-inspection specimens meet the corresponding technical requirements, it is judged as qualified, otherwise it is judged as unqualified.
7.3.4 Limits of hazardous substances
When the test result of the limit of hazardous substances meets the corresponding technical requirements, it is judged as qualified, otherwise it is judged as unqualified.
7.3.5 Comprehensive judgment
When the product specifications and deviations, appearance quality, physical and chemical properties, and hazardous substance limits meet the technical requirements of the corresponding level, the judgment
It is determined as conforming; otherwise, it is determined as not meeting the corresponding level.
8 Identification, packaging, storage and transportation
8.1 Identification
The product should be stamped with a label indicating the name of the manufacturer, product name, product category, formaldehyde emission, grade, production date, etc.
8.2 Packaging
Product packaging should be packaged separately according to different types, specifications and grades. Each package should indicate the name of the manufacturer, site, trademark, and implementation
Standard, formaldehyde emission mark, product name, specification, grade, quantity, production date.
8.3 Storage
The storage foundation of the product should be flat, the stacking should be neat, the board surface should not be in contact with the ground, and stacked according to different categories, specifications, and grades.
The stack should be marked accordingly. The storage place should be protected from rain, moisture, sun and fire sources.
8.4 Transportation
The mode of transportation of the product shall be negotiated between the supplier and the buyer. During transportation, scratches and bumps should be avoided, and it should be protected from rain, moisture and sun.
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