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GB/T 33734-2017 PDF in English


GB/T 33734-2017 (GB/T33734-2017, GBT 33734-2017, GBT33734-2017)
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GB/T 33734-2017: PDF in English (GBT 33734-2017)

GB/T 33734-2017
GB
NATIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 97.160
W 57
Woven bedding for infants
ISSUED ON. MAY 12, 2017
IMPLEMENTED ON. DECEMBER 1, 2017
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China.
3. No action is required - Full-copy of this standard will be automatically &
immediately delivered to your EMAIL address in 0~60 minutes.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 6 
4 Requirements ... 6 
5 Test methods ... 10 
6 Inspection rules ... 13 
7 Symbol and package ... 14 
8 Transport and storage ... 15 
Annex A (Normative) Appearance defects and degree description ... 16 
Annex B (Normative) Sampling method for the filler test samples ... 18 
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard was proposed by the China National Textile and Apparel Council.
This Standard shall be under the jurisdiction of the National Technical
Committee for Standardization of Home Textiles (SAC/TC 302).
Major drafting organizations of this Standard. Hangzhou Institute of Quality and
Technical Supervision and Inspection, Jiangsu Menglan Group Co., Ltd,
Jiangsu Textile Products Quality Supervision and Inspection Institute, and
Zhejiang Truelove Fashion Home Textile Co., Ltd.
Main drafters of this Standard. Gu Hu, Chen Jianhua, Tang Zugen and Zheng
Qizhong.
Woven bedding for infants
1 Scope
This Standard specifies the terms and definitions, requirements, test methods,
inspection rules, and symbol, package, transport and storage of woven bedding
for infants.
This Standard is applicable to the bedding for infants made of textile woven
fabrics as the main material.
2 Normative references
The following documents are essential to the application of this document. For
dated references, only the editions with the dates indicated are applicable to
this document. For undated references, only the latest editions (including all the
amendments) are applicable to this document.
GB/T 250 Textiles - Tests for colour fastness - Grey scale for assessing
change in colour
GB/T 251 Textiles - Tests for colour fastness - Grey scale for assessing
staining
GB/T 2910 (all parts) Textiles - Quantitative chemical analysis
GB/T 2912.1 Textiles - Determination of formaldehyde - Part 1. Free and
hydrolyzed formaldehyde (water extraction method)
GB/T 3920 Textiles - Tests for colour fastness - Colour fastness to rubbing
GB/T 3921-2008 Textiles - Tests for colour fastness - Colour fastness to
washing with soap or soap and soda
GB/T 3922 Textiles - Testing method for colour fastness to perspiration
GB/T 3923.1 Textiles - Tensile properties of fabrics - Part 1. Determination of
maximum force and elongation at maximum force using the strip method
GB/T 4802.2 Textiles - Determination of fabric propensity to surface fuzzing
and to pilling - Part 2. Modified Martindale method
GB/T 4841.3 Colour cards of standard depths for dyeing with dyestuffs 2/1,
1/3, 1/6, 1/12, 1/25
GB/T 5296.4 Instructions for use of products of consumer interest - Part 4.
Textiles and apparel
GB/T 5713 Textiles - Tests for colour fastness - Colour fastness to water
GB/T 6504-2008 Testing method for oil content of man-made fibres
GB/T 6977 Test method for ethanol extractives, ash, vegetable matter, total
ali-insoluble impurities in scoured wool
GB/T 7573 Textiles - Determination of pH of aqueous extract
GB/T 8170 Rules of rounding off for numerical values & expression and
judgement of limiting values
GB/T 8427-2008 Textiles - Tests for color fastness - Color fastness to artificial
light. Xenon arc fading lamp test
GB/T 8628 Textiles - Preparation, marking and measuring of fabric
specimens and garments in tests for determination of dimensional change
GB/T 8629 Textiles - Domestic washing and drying procedures for textile
testing
GB/T 8630 Textiles - Determination of dimensional change in washing and
drying
GB/T 14644 Textiles - Burning behavior - 45°test determination of flame
spread rate
GB/T 14801 Test method for skewness and bow in woven and knitted fabrics
GB/T 17592 Textiles - Determination of the banned azo colourants
GB/T 17685 Down and feather
GB 18401 National general safety technical code for textile products
GB/T 18886 Textiles - Tests for fastness - Colour fastness to saliva
GB/T 20388 Textiles - Determination of the phthalate content
GB/T 24121 Textile products - Determination of the remains of broken sewing
needle
5.7 The detection of fiber content shall be carried out according to FZ/T 01057
(all parts) and GB/T 2910 (all parts). The filler sampling shall be carried out
according to the provisions of Annex B.
5.8 The detection of fabric breaking strength shall be carried out according to
GB/T 3923.1.
5.9 The detection of fabric propensity to pilling shall be carried out according
to GB/T 4802.2. The sample fabric shall be used as the abrasive. The number
of rubbings is 2,000. The rating may be carried out according to GSB 16-3223.
5.10 The detection for the dimensional change rate in washing of fabrics shall
be carried out according to GB/T 8628, GB/T 8629 and GB/T 8630. SELECT
5A procedures (for the fabrics with a fur or silk content of greater than or equal
to 50%, 7A procedures shall be selected) for washing and the drying method A
in GB/T 8629-2001.
5.11 The detection for the colour fastness to washing with soap or soap and
soda shall be carried out according to GB/T 3921-2008. The test condition A (1)
shall be adopted.
5.12 The detection for the colour fastness to light shall be carried out
according to the method 3 in GB/T 8427-2008.
5.13 The detection for the colour fastness to water shall be carried out
according to GB/T 5713.
5.14 The detection for the colour fastness to perspiration shall be carried out
according to GB/T 3922.
5.15 The detection for the colour fastness to rubbing shall be carried out
according to GB/T 3920.
5.16 The detection for the colour fastness to saliva shall be carried out
according to GB/T 18886.
5.17 The detection of the formaldehyde content shall be carried out according
to GB/T 2912.1.
5.18 The detection of the pH value shall be carried out according to GB/T
7573.
5.19 The detection of peculiar smell shall be carried out according to GB
18401.
5.20 The detection of the decomposable carcinogenic aromatic amine dye
shall be carried out according to GB/T 17592.
5.21 The detection of the total lead and total cadmium in heavy metals shall
be carried out according to GB/T 30157.
5.22 The detection of the phthalate content shall be carried out according to
GB/T 20388.
5.23 The detection of the burning behavior shall be carried out according to
GB/T 14644.
5.24 The detection of the sharp objects shall be carried out according to GB/T
24121. The sensitivity shall be 1.0mm.
5.25 The detection for the tensile strength of attached components shall be
carried out according to GB 31701.
5.26 The detection for the sharpness of the sharp tips and edges of attached
components shall be carried out according to GB/T 31702.
5.27 Detection for the length of cords and drawstrings as well as the loop
circumference. SMOOTH out the cords and drawstrings as well as the loop.
USE a steel ruler to measure the length or circumference, under the action of a
force of 22N. Accurate to 1mm.
5.28 Determination for the fixed positions of cribs. USE a steel tape to
measure along the circumference. Accurate to 1mm.
5.29 In the case that the linings or fillers are from the same batch in the
auxiliary products, the intrinsic quality items can be tested on one piece only.
5.30 When different linings or fillers are applied to different positions of the
same product, the intrinsic quality items shall be tested on each position,
respectively.
6 Inspection rules
6.1 Samples shall be randomly selected from qualified batches of products
tested by the factory. The sampling schemes for intrinsic quality are shown in
Table 5. The sampling schemes for appearance quality and process quality are
shown in Table 6.
6.2 When the sample size n is greater than the lot size N, full inspection shall
be carried out. The acceptance number Ac is 0.
......
 
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