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GB/T 41003.1-2021General technical specification for plastic foam mats—Part 1:Polyethylene/ethylene vinylacetate copolymer foam mats for children (English PDF)

塑料泡沫垫通用技术条件第1部分：聚乙烯/乙烯-醋酸乙烯酯共聚物儿童泡沫垫

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2021

Implementation date

July 1, 2022

Scope

GB/T 41003.1-2021 is the English-translated version of 塑料泡沫垫通用技术条件第1部分：聚乙烯/乙烯-醋酸乙烯酯共聚物儿童泡沫垫.

GB/T 41003.1-2021 sets the requirements for children's foam mats made of polyethylene (PE), ethylene-vinyl acetate copolymer (EVA) or blends of the two, produced by moulded foaming with blowing and cross-linking agents and then post-processed.

It covers the physical and chemical properties of the mats, the test methods and the inspection rules.

The methods include preparing specimens after the sample has stood for 48 h, conditioning at (23 ± 2) °C and (50 ± 10) % relative humidity, tensile strength, elongation at break and tear strength at (500 ± 50) mm/min, small parts testing to GB 6675.2-2014, colour fastness to rubbing and to water, and formaldehyde emission.

Two annexes list the aromatic amines that dyes must not release under reducing conditions and the polycyclic aromatic hydrocarbons concerned. It was issued on 31 December 2021 and has applied since 1 July 2022.

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Document preview — GB/T 41003.1-2021

National Standard of the People's Republic of China

ICS: 83.140.20
Classification: Y 28

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Physical and chemical properties
5 Test methods
6 Inspection rules
Annex A (normative) List of aromatic amines that are not allowed to decompose in dyes under reducing conditions
Annex B (normative) List of polycyclic aromatic hydrocarbons

1 Scope

This document specifies the physical and chemical properties, test methods and inspection rules for polyethylene (PE)/ethylene-vinyl acetate copolymer (EVA) children's foam mats.

This document applies to children's foam mats made from low-density polyethylene, ethylene vinyl acetate copolymer and their mixtures as the main raw materials, with the addition of foaming agents, cross-linking agents and other additives, produced by the molded foaming method and post-processing.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 2918, Plastics -- Standard atmospheres for conditioning and testing

GB/T 3920, Textiles - Tests for colour fastness - Colour fastness to rubbing

GB/T 5713, Textiles -- Tests for colour fastness -- Colour fastness to water

GB/T 6344, Flexible cellular polymeric materials -- Determination of tensile strength and elongation at break

GB 6675.2-2014, Safety of toys -- Part 2: Mechanical and physical properties

GB 6675.4-2014, Safety of toys -- Part 4: Migration of certain elements

GB/T 10808, Flexible cellular polymeric materials -- Determination of tear strength

GB/T 17592, Textiles - Determination of the banned azo colourants

GB/T 22048, Determination of certain phthalate esters in toys and children products

GB/T 26193, Determination of the content of migration of Sb, As, Ba, Cd, Cr, Pb, Hg and Se from toy material -- ICP-MS

GB/T 28190, Textiles -- Determination of dimethyl fumarate

GB/T 29784.2, Determination of polycyclic aromatic hydrocarbons in electrical and electronic products -- Part 2: Gas chromatographic method with mass spectrometric detection

GB/T 34842, Footwear -- Chemical tests -- Determination of formamide

GB 50325-2020, Standard for indoor environmental pollution control of civil building engineering

QB/T 5158, Test method of artificial leather and synthetic leather. Test of quantitatively determine dimethylformamide

QB/T 5354, Test method of artificial leather and synthetic leather - Determination of volatile organic compounds

3 Terms and definitions

There are no terms or definitions that require definition in this document.

4 Physical and chemical properties

The physical and chemical properties of the product shall comply with the requirements of Table 1.

5 Test methods

5.1 Preparation of specimens

The sample needs to be left to stand for 48 h before preparing the specimen.

5.2 Specimen condition adjustment and test environment

Unless otherwise specified, specimens shall be conditioned and tested in accordance with GB/T 2918 in an environment of (23±2)°C and (50±10)% relative humidity.

Conditioning time shall not be less than 2 h, and testing shall be conducted under these conditions.

5.3 Tensile strength

The test is carried out in accordance with the provisions of GB/T 6344, where the specimen is type 1A and the tensile speed is (500±50) mm/min.

5.4 Elongation at break

The test is carried out in accordance with the provisions of GB/T 6344, where the specimen is type 1A and the tensile speed is (500±50) mm/min.

5.5 Tear strength

The test is carried out in accordance with the provisions of GB/T 10808, with a tensile speed of (500±50) mm/min.

5.6 Small parts testing

Conduct the test in accordance with the provisions of 5.2 of GB 6675.2-2014.

5.7 Color fastness to rubbing

The test is carried out in accordance with the provisions of GB/T 3920. The reciprocating friction is repeated 10 times, and the worst result of the 3 specimens is taken as the test result.

5.8 Water fastness

Conduct the test in accordance with the provisions of GB/T 5713. The worst result of the 3 specimens shall be taken as the test result.

5.9 Formaldehyde emission

The test shall be conducted in accordance with Annex B of GB 50325-2020.

6 Inspection rules

6.1 Exit-factory inspection

The items are items 1, 2, and 14 in Table 1.

6.2 Type inspection

The items are the requirements specified in Chapter 4.

Type inspection shall be conducted in any of the following circumstances.

a) During trial production of new products or when transferring old products to a new factory for production;

b) After batch production, if there are significant changes in materials or processes that may affect product quality and performance;

c) During formal production, periodic inspection (every six months) shall be conducted regularly or after a certain amount of production has been accumulated;

d) When resuming production after a product suspension of more than 6 months;

e) When the results of the current factory inspection differ significantly from those of the previous type inspection. […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

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