GB/T 21294-2024 PDF English
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Testing methods of physical and chemical performance of garments
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GB/T 21294-2024: PDF in English (GBT 21294-2024) GB/T 21294-2024
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 61.020
CCS Y 75
Replacing GB/T 21294-2014
Testing Methods of Physical and Chemical Performance of
Garments
ISSUED ON: MARCH 15, 2024
IMPLEMENTED ON: OCTOBER 1, 2024
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 6
2 Normative References ... 6
3 Terms and Definitions ... 11
4 Determination of Basic Properties ... 11
5 Determination of Functional Performance ... 20
6 Determination of Safety Performance ... 22
Testing Methods of Physical and Chemical Performance of
Garments
1 Scope
This document describes the test methods for physical and chemical performance of garments.
This document is applicable to the inspection of physical and chemical performance technical
indicators of garment products produced with textile woven fabrics as the main fabric.
2 Normative References
The contents of the following documents constitute indispensable clauses of this document
through the normative references in the text. In terms of references with a specified date, only
versions with a specified date are applicable to this document. In terms of references without a
specified date, the latest version (including all the modifications) is applicable to this document.
GB/T 250 Textiles - Tests for Color Fastness - Grey Scale for Assessing Change in Color
GB/T 251 Textiles - Tests for Color 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 3917.1 Textiles - Tear Properties of Fabrics - Part 1: Determination of Tear Force Using
Ballistic Pendulum Method (Elmendorf)
GB/T 3917.2 Textiles - Tear Properties of Fabrics - Part 2: Determination of Tear Force of
Trouser-shaped Test Specimens (single tear method)
GB/T 3920 Textiles - Tests for Color Fastness - Color Fastness to Rubbing
GB/T 3921-2008 Textiles - Tests for Color Fastness - Color Fastness to Washing with Soap or
Soap and Soda
GB/T 3922 Textiles - Tests for Color Fastness - Color 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 3923.2 Textiles - Tensile Properties of Fabrics - Part 2: Determination of Maximum Force
Using the Grab Method
Non-volatile Compounds by Extraction Method Using Liquid Chromatography
3 Terms and Definitions
The terms and definitions defined in GB/T 21295 are applicable to this document.
4 Determination of Basic Properties
4.1 Fiber Composition and Content
The fiber composition and content of the raw materials used in finished products shall be tested
in accordance with the methods described in FZ/T 01057 (all parts), GB/T 40271, GB/T 2910
(all parts), GB/T 16988, FZ/T 30003, FZ/T 01101 and FZ/T 01144, etc.
4.2 Color Fastness
4.2.1 Color fastness to washing with soap
The color fastness of finished products to washing with soap shall be tested in accordance with
the methods described in GB/T 3921-2008, and Method A (1) shall be adopted.
4.2.2 Color fastness to drycleaning
The color fastness of finished products to drycleaning shall be tested in accordance with the
method described in GB/T 5711.
4.2.3 Color fastness to rubbing
The color fastness of finished products to rubbing shall be tested in accordance with the method
described in GB/T 3920.
4.2.4 Color fastness to perspiration
The color fastness of finished products to perspiration shall be tested in accordance with the
method described in GB/T 3922.
4.2.5 Color fastness to saliva
The color fastness of finished products to saliva shall be tested in accordance with the method
described in GB/T 18886.
4.2.6 Color fastness to water
The color fastness of finished products to water shall be tested in accordance with the method
described in GB/T 5713.
4.2.7 Color fastness to light
The color fastness of finished products to light shall be tested in accordance with the method
described in GB/T 8427-2019, in which, the normal conditions shall be used for sun exposure,
and the sun exposure shall be carried out to the first stage in accordance with Method 3.
4.2.8 Color fastness to hot pressing
The color fastness of finished products to hot pressing shall be tested in accordance with the
method described in GB/T 6152, and the tidal pressure method shall be adopted. When users
have special requirements for the products, the demand-side and the supply-side may separately
negotiate.
4.2.9 Color fastness to storage
The color fastness of finished products to storage shall be tested in accordance with the method
described in GB/T 32008-2015, and the test conditions 2 shall be adopted.
4.2.10 Color fastness to transfer in joints
The color fastness of finished products to transfer in joints shall be tested in accordance with
the method described in GB/T 31127-2014, and Method A shall be adopted.
4.2.11 Color fastness to lotion staining
In accordance with the method described in Method A (1) of GB/T 3921-2008, prepare and
wash the specimen. Then, pour the residual washing liquid filtered to remove impurities into a
colorimetric tube (with a diameter of 25 mm). Use the soap solution that has not been washed
and has the same temperature as the test as a reference sample. Under the D65 standard light
source, use non-fluorescent white cardboard as the background to assess the staining degree of
the lotion in accordance with GB/T 251. During the rating, the white cardboard shall be close
to the colorimetric tube or single-row colorimetric tube rack, and the rating shall be completed
within 15 minutes after washing is completed.
4.2.12 Color fastness to light of textiles wetted with artificial perspiration
The color fastness to light of textiles wetted with artificial perspiration shall be tested in
accordance with the method described in GB/T 14576.
4.2.13 Color fastness to phenolic yellowing
The color fastness of finished products to phenolic yellowing shall be tested in accordance with
the method described in GB/T 29778.
4.2.14 Color fastness to light yellowing
The color fastness of finished products to light yellowing shall be tested in accordance with the
method described in GB/T 30669-2014, and the irradiation time is 12 hours.
4.2.15 Color fastness to ozone
shall be recorded in the test report.
4.3.2.2 Test method
Adjust the spacing between the 2 clamps of the tensile machine to 100 mm 1 mm, the clamp
width to at least 60 mm, and the clamp operating speed to 100 mm/min 1 mm/min. Then,
respectively clamp both ends of the specimen into the clamps of the tensile machine, with the
stitch line located 1/2 between the vertical lines of the 2 jaws (the pre-tension is 2 N). Start the
test program, until the stich line breaks.
Record the test value of each specimen. Take the arithmetic mean of the test values of 3
specimens as the final result. The calculation result shall be rounded off to 1 N in accordance
with GB/T 8170.
If 2 or more specimens in the test values of 3 specimens are qualified, take the average value
of the qualified specimens as the final result of the test part and the test part will be determined
as qualified in the indicator; if 2 or more specimens in the test values of 3 specimens are
disqualified, take the average value of the disqualified specimens as the final result of the test
part and the test part will be determined as disqualified in the indicator. If the determination
results of all test parts are all qualified, the specimens will be determined as qualified in the
indicator, otherwise, they will be deemed to be disqualified.
If yarn slippage or fabric breakage occurs during the test, then, it will be recorded as “yarn
slippage” or “fabric breakage” in the test report.
4.3.3 Pilling performance
4.3.3.1 Sampling
Cut 5 specimens in steps from the uncoated adhesive lining part of a finished product. In
accordance with the method described in GB/T 6529, conduct conditioning.
4.3.3.2 Test method
Pilling performance shall be tested in accordance with the method described in GB/T 4802.1-
2008, and Parameter D shall be used. Specifically speaking, for combed wool fabrics and
combed wool-like fabrics, use Parameter E; for carded wool fabrics, carded wool-like fabrics
and loose-structured fabrics, use Parameter F.
4.3.4 Tearing strength
The tearing strength of denim clothing and blouses shall be tested in accordance with the
method described in GB/T 3917.1. The tearing strength of other finished products shall be tested
in accordance with the method described in GB/T 3917.2.
4.3.5 Breaking strength
The breaking strength of denim clothing shall be tested in accordance with the method described
in GB/T 3923.2. The breaking strength of other finished products shall be tested in accordance
with the method described in GB/T 3923.1.
4.3.6 Bursting strength
The bursting strength of finished knitted fabrics shall be tested in accordance with the method
described in GB/T 19976-2005, using a spherical ejector pin with a diameter of (38 0.02) mm.
4.3.7 Peeled off strength of adhesive interlining
The peeled off strength of adhesive interlining of finished products shall be tested in accordance
with the method described in FZ/T 80007.1.
4.3.8 Abrasion resistance
The abrasion resistance of finished products shall be tested in accordance with the method
described in GB/T 21196.2. The test parts are 100 mm upward from the lower hem of the tops,
100 mm upward from the opening of the trousers, and 100 mm upward from the lower hem of
the skirts. The load is (595 7) g (with a nominal pressure of 9 kPa).
4.3.9 Snagging performance
The snagging performance of finished products shall be tested in accordance with the method
described in GB/T 11047.
4.3.10 Humidity and heat ageing resistance
The humidity and heat ageing resistance of finished products shall be tested in accordance with
the method described in GB/T 24135-2022, and Method C shall be adopted. The ageing time is
72 hours. After the test is completed, place it at room temperature for at least 1 hour. Under the
D65 standard light source, in accordance with GB/T 250, assess the color changes and
appearance changes of the specimen.
4.4 Washing Performance
4.4.1 Dimensional change rate
4.4.1.1 Dimensional change rate in water washing
The dimensional change rate in water washing of finished products shall be tested in accordance
with the method described in GB/T 8630. The washing and drying programs shall be carried
out in accordance with the stipulations of product standards or the agreement of the relevant
parties. If not specified, Type-A standard washing machine and washing program 4N (for
finished products with fabrics containing 50% wool or silk, adopt program 4G; for those with
clarified hand washing instructions, adopt washing program 4H) in GB/T 8629-2017 may be
adopted, and the drying method shall adopt Program A. During batch product inspection,
randomly take 3 PCS of finished products for testing and wash them once. Take the average
value of the 3 PCS as the result. If the 3 PCS have both shrinkage and elongation test results at
5 Determination of Functional Performance
5.1 Moisture Permeability
For the moisture permeability of finished products, coated products shall be tested in
accordance with the method described in GB/T 12704.2-2009, Method A shall be used, and the
test conditions are group a); coatings and other products shall be tested in accordance with the
method described in GB/T 12704.1-2009, and the test conditions are group a).
5.2 Moisture Absorption and Quick-drying Performance
The moisture absorption and quick-drying performance of finished products shall be tested in
accordance with the method described in GB/T 21655.1.
5.3 Water Resistance
The test method for water resistance is as follows:
---Method 1: spray test method: carry out the test in accordance with the method described
in GB/T 4745-2012, and the test water temperature is (20 2) C.
---Method 2: hydrostatic pressure method: carry out the test in accordance with the method
described in GB/T 4744-2013, and the test water temperature is 20 C 2 C.
---Method 3: rain test: exposure to a horizontal water spray: carry out the test in accordance
with the method described in GB/T 23321, the test water temperature is (20 2) C,
and the test water pressure is 610 mm.
---Method 4: Bundesmann rain-shower test: carry out the test in accordance with the
method described in GB/T 14577.
For the washing method, adopt Type-A standard washing machine and washing program 4N in
GB/T 8629-2017, add detergent once, and continuously wash for 3 cycles, or wash in
accordance with the program and number of cycles agreed by the parties concerned. After
continuous washing, adopt Program F for drying.
5.4 Warmth Retention Properties
The warmth retention properties of finished products shall be tested in accordance with the
method described in GB/T 35762.
5.5 Flame Retardant Properties
The flame retardant properties of finished products shall be tested in accordance with the
method described in GB/T 5455-2014, and Condition A shall be adopted.
5.6 Solar Ultraviolet Radiation Protective Properties
The solar ultraviolet radiation protective properties of finished products shall be tested in
accordance with the method described in GB/T 18830.
5.7 Oil Repellency
The oil repellency of finished products shall be tested in accordance with the method described
in GB/T 19977.
5.8 Soil Release
The soil release properties of finished products shall be tested in accordance with the method
described in FZ/T 01118.
5.9 Non-iron Performance
The test of the non-iron performance of finished products shall be carried out in accordance
with the stipulations of 4.4.1.1, add detergent once, and continuously wash for 5 cycles. After
continuous washing, adopt Program A for drying, and carry out the test in accordance with the
method described in GB/T 18863.
5.10 Anti-wrinkle Performance
The anti-wrinkle performance of finished products shall be tested in accordance with the
method described in GB/T 29257.
5.11 Antistatic Performance
The antistatic performance of finished products shall be tested in accordance with the method
described in GB/T 12703.3.
5.12 Prickle Resistance
The prickle resistance of finished products shall be tested in accordance with the method
described in FZ/T 01158. Respectively test in the warp and weft directions, and the larger
average value in the 2 directions is taken as the final result.
5.13 Anti-mosquitoes Properties
The anti-mosquitoes properties of finished products shall be tested in accordance with the
method described in GB/T 30126-2013, and the repellent tester method shall be adopted.
5.14 Anti-mould Performance
The anti-mould performance of finished products shall be tested in accordance with the method
described in GB/T 24346.
Method 1: petri dish method.
Method 2: suspension method.
6.1.3 Decomposable carcinogenic aromatic amine dyes
The decomposable carcinogenic aromatic amine dyes of finished products shall be tested in
accordance with the method described in GB/T 17592.
6.1.4 Phthalates
The phthalates of finished products shall be tested in accordance with the method described in
GB/T 20388.
6.1.5 Total lead and total cadmium
The total lead and total cadmium of finished products shall be tested in accordance with the
method described in GB/T 30157.
6.1.6 Burning behavior
The burning behavior of finished products shall be tested in accordance with the method
described in GB/T 14644.
6.1.7 Odor
The odor of finished products shall be tested in accordance with the method described in 6.7 of
GB 18401-2010.
6.1.8 Tensile strength of accessories
The tensile strength of accessories of finished products shall be tested in accordance with the
method described in Appendix A of GB/T 22704-2019. Test 5 samples of each accessory, and
the single value of each sample shall reach the requirements. If there are less than 5 PCS of one
type of accessory, carry out the test based on the actual number of accessories.
6.1.9 Sharpness of accessories
The sharpness of accessories of finished products shall be tested in accordance with the method
described in GB/T 31702.
6.1.10 Drawstring safety
The test of clothing drawstring safety:
---Method 1: carry out the test in accordance with the method described in 5.7 of GB
31701-2015;
---Method 2: carry out the test in accordance with the method described in GB/T 22702.
6.1.11 Remains of metal needles
The remains of metal needles of finished products shall be tested in accordance with the
6.2.7 Short chain chlorinated paraffins
The short chain chlorinated paraffins of finished products shall be tested in accordance with the
method described in GB/T 40263.
6.2.8 Permethrin
The permethrin of finished products shall be tested in accordance with the method described in
GB/T 18412.4-2006, and the gas chromatography - mass selective detector (GC-MSD) shall be
adopted.
6.2.9 Perfluorooctane sulfonic acid (PFOS) and its salts, perfluorooctane sulfonyl fluoride
(PFOSF)
The perfluorooctane sulfonic acid and its salts, perfluorooctane sulfonyl fluoride of finished
products shall be tested in accordance with the method described in EN 17681-1:2022.
NOTE: in textiles, the content of perfluorooctane sulfonyl fluoride is tested using perfluorooctane
sulfonic acid instead, and the result of perfluorooctane sulfonyl fluoride is calculated based
on perfluorooctane sulfonic acid.
6.2.10 Perfluorooctanoic acid (PFOA) and its salts
The perfluorooctanoic acid (PFOA) and its salts of finished products shall be tested in
accordance with the method described in GB/T 31126.
NOTE: in textiles, the content of perfluorooctanoate is tested using perfluorooctanoic acid instead,
and the result of perfluorooctanoate is calculated based on perfluorooctanoic acid.
6.2.11 Chlorinated toluene
The chlorinated toluene of finished products shall be tested in accordance with the method
described in GB/T 20384.
6.2.12 Polycyclic aromatic hydrocarbons (PAH)
The polycyclic aromatic hydrocarbons of finished products shall be tested in accordance with
the method described in GB/T 28189.
6.2.13 Solvent residues
The solvent residues of finished products shall be tested in accordance with the method
described in GB/T 35446.
6.2.14 Vinyl chloride monomer (VCM)
The vinyl chloride monomer of finished products shall be tested in accordance with the method
described in GB/T 4615.
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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