GB/T 15105-2024 PDF English
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Molding products from wood particles
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| GB/T 15105.1-2006 | English | 439 |
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Molding articles from wood particle -- Part 1: Interior use
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Molding articles from wood particle for furniture
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GB/T 15105-2024: PDF in English (GBT 15105-2024) GB/T 15105-2024
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 79.060.20
CCS B 70
Replacing GB/T 15105.1-2006
Molding products from wood particles
模压刨花制品
ISSUED ON: MARCH 15, 2024
IMPLEMENTED ON: OCTOBER 01, 2024
Issued by: State Administration for Market Regulation;
National Standardization Administration.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions ... 6
4 Classification ... 6
5 Requirements ... 6
5.1 Appearance quality ... 6
5.2 Physical and chemical properties ... 8
6 Inspection method ... 10
6.1 Appearance quality ... 10
6.2 Sampling and test piece size requirements ... 11
6.3 Physical and chemical properties ... 12
7 Inspection rules ... 14
7.1 Inspection classification ... 14
7.2 Sampling plan and judgment rules ... 15
7.3 Comprehensive judgment ... 17
7.4 Inspection report ... 17
8 Labeling, packaging, transportation, storage ... 17
8.1 Labeling ... 17
8.2 Packaging ... 18
8.3 Transportation ... 18
8.4 Storage ... 18
Molding products from wood particles
1 Scope
This document specifies the classification, requirements, inspection rules and labeling,
packaging, transportation, storage of molding products from wood particles; describes
the corresponding inspection methods.
This document is applicable to the production, circulation, trade, and inspection of flat-
pressed molding products from wood particles.
This document does not apply to molded pallets.
2 Normative references
The contents of the following documents constitute essential clauses of this document
through normative references in the text. For reference documents with dates, only the
versions corresponding to the dates apply to this document; for reference documents
without dates, the latest versions (including all amendments) apply to this document.
GB/T 2828.1-2012 Sampling procedures for inspection by attributes - Part 1:
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection
GB/T 15102-2017 Surface decorated fiber board and particleboard with paper
impregnated thermosetting resins
GB/T 15104-2021 Decorative veneered wood-based panel
GB/T 17657-2022 Test methods of evaluating the properties of wood-based panels
and surface decorated wood-based panels
GB/T 18259-2018 Terminology for wood-based panels and their surface decoration
GB 18580-2017 Indoor decorating and refurbishing materials - Limit of
formaldehyde emission of wood-based panels and finishing products
GB/T 39600-2021 Formaldehyde emission grading for wood-based panel and
finishing products
LY/T 1279-2020 Polyvinyl chloride film overlaid wood-based panels
3 Terms and definitions
The terms and definitions as defined in GB/T 18259-2018, as well as the following
terms and definitions, apply to this document.
3.1
Molding products from wood particles
Products formed by using a mold to press the wood particles or scraps mixed with
adhesives, with or without a decorative layer on the surface.
4 Classification
4.1 Classified by whether there is a decorative layer on the surface:
- Molding products from wood particles with a decorative layer;
- Molding products from wood particles without a decorative layer.
4.2 Classified by the decorative materials used:
- Impregnated film paper decorative molding products from wood particles;
- Decorative veneered molding products from wood particles;
- PVC film decorative molding products from wood particles;
- Printed paper decorative molding products from wood particles.
4.3 Classified by the place of use:
- Indoor molding products from wood particles;
- Outdoor molding products from wood particles.
5 Requirements
5.1 Appearance quality
5.1.1 The appearance quality of the decorative layer of printed paper decorative
molding products from wood particles shall comply with the provisions of Table 1.
the provisions of 4.12 of GB/T 17657-2022; the test pieces do not need to be balanced.
If it is not possible to obtain a flat test piece for testing, it is allowed to take a curved
test piece and grind it flat before testing. However, the sampling location and sample
preparation method shall be indicated in the test report.
6.3.5 Determination of water absorption thickness expansion rate
The 2h water absorption thickness expansion rate is carried out in accordance with the
provisions of 4.4 of GB/T 17657-2022; the test pieces do not need to be balanced. The
immersion time is 2 h ± 5 min.
The 24h water absorption thickness expansion rate is carried out in accordance with the
provisions of 4.5 of GB/T 17657-2022. The test piece does not need to be balanced.
The immersion time is 24 h ± 15 min.
6.3.6 Determination of the board surface screw holding force
It is carried out in accordance with the provisions of 4.21 of GB/T 17657-2022. The
test piece does not need to be balanced.
6.3.7 Determination of immersion peeling performance
It is carried out in accordance with the provisions of Class III immersion peeling test in
4.19 of GB/T 17657-2022.
6.3.8 Determination of surface wear resistance
Impregnated film paper decorative products are carried out in accordance with the
provisions of 4.47 of GB/T 17657-2022. The pattern is ground for 100 r and the plain
pattern is ground for 350r. PVC film decorative products are carried out in accordance
with the provisions of 4.45 of GB/T 17657-2022.
6.3.9 Determination of surface crack resistance
Perform according to the provisions of 4.39 of GB/T 17657-2022.
6.3.10 Determination of surface dry heat resistance
Perform according to the provisions of 4.48 of GB/T 17657-2022.
6.3.11 Determination of surface water vapor resistance
Perform according to the provisions of 4.38 of GB/T 17657-2022.
6.3.12 Determination of surface pollution resistance
Impregnated film paper decorative products shall be tested according to the provisions
of 4.43 of GB/T 17657-2022. Polyvinyl chloride film decorative products shall be tested
according to the provisions of 4.44 of GB/T 17657-2022, with ethyl acetate and black
coffee as conventional test pollutants.
6.3.13 Determination of formaldehyde release
Perform according to the provisions of GB 18580-2017. The test piece shall be placed
at (23 ± 2) °C and relative humidity (50 ± 5)% for (5 ± 2) d.
6.3.14 Determination of color fastness to light
Perform according to 4.31 of GB/T 17657-2022.
6.3.15 Determination of surface bonding strength
Perform according to 4.16 of GB/T 17657-2022; the test piece do not need to be
balanced.
6.3.16 Determination of surface damp heat resistance
Perform according to 4.50 of GB/T 17657-2022.
6.3.17 Determination of surface scratch resistance
Perform according to 4.42 of GB/T 17657-2022.
6.3.18 Determination of surface resistance to damp heat cycles
For impregnated adhesive film paper decorative products, perform according to 4.40 of
GB/T 17657-2022. PVC film decorative products shall be tested in accordance with the
provisions of 4.41 of GB/T 17657-2022.
6.3.19 Color stability performance test
Performed in accordance with the provisions of 4.33 of GB/T 17657-2022.
6.3.20 Impact resistance test
Performed in accordance with the provisions of 4.53 of GB/T 17657-2022, with an
impact height of 1 m and a number of impacts of 6.
7 Inspection rules
7.1 Inspection classification
Product inspection is divided into exit-factory inspection and type inspection.
7.1.1 Exit-factory inspection
Exit-factory inspection includes the following items:
a) Appearance quality;
b) Physical and chemical properties: Indoor molding products from wood particles
include density, moisture content, internal bonding strength, surface wear
resistance; outdoor molding products from wood particles include density,
moisture content, internal bonding strength after 2h boiling water, surface wear
resistance.
7.1.2 Type inspection
Type inspection includes all items in Chapter 5. During normal production, type
inspection shall be conducted at least twice a year. Type inspection shall be conducted
in any of the following circumstances:
a) Where there are major changes in raw materials and production processes;
b) When production is resumed after a suspension of more than three months;
c) When a new product is put into production or subject to trans-plant production;
d) When the quality supervision department proposes a type inspection requirement.
7.2 Sampling plan and judgment rules
7.2.1 Appearance quality sampling plan and judgment rules
7.2.1.1 Appearance quality sampling plan
The normal inspection secondary sampling scheme in GB/T 2828.1-2012 is adopted,
with the inspection level of II and the acceptance quality limit of 4.0, as shown in Table
6.
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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