Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
According to American Society for Testing and Materials (ASTM D 4156 - 2001) Textile Standard Performance Specification of Knitted Sportswear for Female, Adult and Children, this standard was drafted. The consistency degree between the standard and ASTM D 4156-2001 is not equivalent.
This standard is proposed by China National Textile and Apparel Council.
This standard is under the jurisdiction of knitwear subcommittee of Technical Committee on Textiles of Standardization Administration of China
Chief Drafting Organizations of this standard: National Knitted Product Quality Supervision and Testing Center, Shanghai Triple Gun Group Co., Ltd., Beijing Li Ning Sports Goods Co., Ltd., Guangdong Province textile Product Quality Supervision and Testing center, Guangdong Yi Da Knit Co., Ltd. and Jiangsu AB Group Co., Ltd.
Chief Drafting Staff of This Standard: Zhao Hui, Xue Jifeng, Miu Jieyi, Gu Bofang, Mao Zhigang and Pei Rubing.
This standard is issued for the first time.
PROFESSIONAL STANDARD
OF THE PEOPLE'S REPUBLIC OF CHINA
中华人民共和国纺织行业标准
FZ/T 73020-2004
Knitted Sportswear
针织休闲服装
1 Scope
This standard specifies the classification, requirements, test methods, judgment rule, marks, marking, packaging, transportation and storage for knitted T-shirt products.
This standard is applicable to identify the quality of knitted homewear mainly made of knitted fabric.
2 Normative References
The provisions contains in the following normative documents which, through reference in this text, shall constitute provisions of this Standard. For dated reference, subsequent amendments (excluding correction) or revisions, any of these publications do not apply to this standard. However, the parties who enter into agreement according to these specifications are encouraged to research whether the latest editions of these labels are applied or not. For undated references, the latest edition of the normative document is applicable to this standard.
GB 250 Gray Scale for Assessing Change in Colour (GB 250-1995, idt ISO 105-A02:1993)
GB/T 2910 Textile--Binary Fibre Mixtures--Quantitative Chemical Analysis (GB/T 2910- 1997; eqv ISO 1833: 1977 )
GB/T 2912.1 Textiles--Determination of Formaldehyde-Part 1: Free and Hydrolyzed Formaldehyde (Water Extraction Method)
GB/T 3920 Textile--Tests for Color Fastness—Colour Fastness to Rubbing (GB/T 3920-1995, eqv ISO 105-X12: 1993)
GB/T 3921.1 Textiles--tests for Colour Fastness—Colour Fastness to Washing: examination 1 (GB/T 3921.1-1997; eqv ISO 105- C01:1989 )
GB/T 3922 Textiles--Testing Method for Colour Fastness to Perspiration (GB/T 3922-1995, eqv ISO 105/E04:1994)
GB/T 4802.1 Textiles--Assessing the Rate of Pilling of Fabrics-Circular Locus Method
GB/T 4856 Package of Cotton Goods and Knitwear
GB 5296.4 Instructions for Use of Products of Consumer Interest-Instructions for Use of Textiles and Apparel
GB/T 6411 A Series of Size of Knitted Underwear
GB/T 7573 Textiles--Determination of pH of Aqueous Extract (GB/T 7573- 2002; ISO 3071:1980; MOD)
GB/T 8427 Textiles--Tests for fastness, Color Fastness to Artificial Light: Xenon Arc (GB/T 8427-1998; eqv ISO 105- B02: 1994)
GB/T 8629 Textiles--Domestic Washing and Drying Procedures for Textile Testing ( GB/T 8629- 2001; eqv ISO 6330: 2000)
GB/T 8878 Cotton Knitted Underwear
GB/T 14801 Test Method for Skewness and Bow in Woven and Knitted Fabrics
FZ/T 01053 Textiles--Identification of Fiber Content"
FZ/T 01057.1 ~ 01057.11 Test Method for Identification of Textile Fibers
FZ/T 01095 Textile--Test Method of Elastane Fibre Content
GSB 16-1523-2002 Knitted Fabric Fuzzing and Pilling Sample Photograph
3 Product Type
Classifications of knitted sportswear shall comply with the requirements of GB/T 1335 or GB/T 6411.
4 Requirements
Requirements divided into aspects: inherent quality and appearance quality Inherent quality including marble bursting strength, water-washing dimensional change ratio, after washing distortion rate, colour fastness to washing, colour fastness to perspiration, colour fastness to rubbing, printing colour fastness to washing, printing colour fastness to rubbing, color fastness to artificial light, pilling, formaldehyde content, pH value, fiber content indexes etc. The appearance quality includes indexes such as surface defect, specification and size deviation, size difference of itself, adopted appurtenant material and tailoring specification etc.
4.1 Grading requirements
4.1.1 Quality grade of knitted sportswear was divided into the superior quality product, first-grade product and qualified product.
4.1.2 The quality grading of knitted sportswear: inherent quality shall be rated by batch (delivered batch), and appearance quality shall be rated by piece, combine two of them and grade the quality with the minimum grade.
4.2 Inherent Quality Requirements
4.2.1 Inherent quality requirements are detailed in Table 1 .
4.2.2 The index of each item of inherent quality shall adopt the item with the lowest inspection result as the rating criterion of this lot of products.
4.2.3 When the mark content of a kind of fibrous is not larger than 10 %, its real content shall not less than 70% mark content of itself.
4.2.4 Brushed and raised products shall not be assessed pilling.
4.2.5 The product which is engraving or burnt-out etc. structure does not assess marble bursting strength.
4.2.6 Elastic product does not assess the lateral water-washing dimensional change ratio.
Table 1 Inherent Quality Requirements
Item Superior quality First-grade product Qualified products
Marble bursting strength 135
Water-washing dimensional change ratio /(%) Straight direction -4.0~+2.0 -5.0~+2.0 -5.0~+2.0
Transverse direction -4.0~+2.0 -5.0~+2.0 -5.0~+2.0
Distortion ratio after water washing /(%) ≤ Coat 4.0 6.0 8.0
Pants 1.5 2.5 3.5
Colour fastness to washing/grade ≥ Colour change 4 3-4 3
Staining 4 3 3
Colour fastness to perspiration/grade ≥ Colour change 4 3-4 3
Staining 4 3 3
Colour fastness to rubbing/grade ≥ Dry rubbing 4 3-4 3
Colour fastness to washing/grade ≥ Colour change 3-4 3 3
Staining 3-4 3 3
Colour fastness to rubbing/grade ≥ Dry rubbing 3-4 3 3
Wet rubbing 3 2 2
Colour fastness to light/grade≥ Deep colour 4-5 4 4
Light colour 4 3 3
Pilling/Grade ≥ 4.0 3.0 2.5
Formaldehyde content /(mg/kg) ≤ 75
Ph value 4.0~7.5
Fibre content ( net dry content ) /(%) According to FZ/T 01053
Note: Colour classification: >1/12 standard depth is deep color; ≤1/12standard depth is light color.
4.3 Requirements for appearance quality
4.3.1 Appearance quality grading is determined by surface defect, size, deviation, itself size differences and the specified grading of sewing where appearance defects of different quality grades are found in one product , the product shall be graded according to the defect of lowest quality grade.
4.3.2 Rating specification for surface defect
4.3.2.1 The rating specification for surface defect is shown in Table 2.
Table 2 Grading Specification for Surface Defects
Defect name Superior quality First quality product Qualified product
Color difference min. 4 grades between basic materials; 3-4 grades between basic and indirect materials 3-4 grades between basic materials; 3 grades between basic and indirect materials
Sewing tortuosity and height max. Main part and open thread part 0.2 cm ; Rest part 0.5 cm 0.5 cm
Sewing black thread max. Three in 1cm or one in 2cm for light ones; not allowed on collar, front of a garment and pocket positions. Light ones 20cm, dense ones 10c m
Ironing yellow, discolorment, water stain pressing mark, deterioration Not allowed Not allowed
Damaging defect Not allowed Not allowed
Note1: defects not listed in this table shall comply with the rating requirements of surface defects in GB/T 8878.
Note 2: surface defect degree shall be implemented by reference to "Knitted Underwear Surface Defect Color Sample Photograph".
Note 3: main part refers to two-thirds upper part of coat front (including exposed part of back neck line); pants don not have main part
4.3.2.2 Only two ultimate surface defects with the same grade are allowed to exist on the same product, those exceed shall be lowered a grade.
Foreword I 1 Scope 2 Normative References 3 Product Type 4 Requirements 5 Test Methods 6 Determination Rules 7 Marking, Packaging, Transportation and Storage
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
According to American Society for Testing and Materials (ASTM D 4156 - 2001) Textile Standard Performance Specification of Knitted Sportswear for Female, Adult and Children, this standard was drafted. The consistency degree between the standard and ASTM D 4156-2001 is not equivalent.
This standard is proposed by China National Textile and Apparel Council.
This standard is under the jurisdiction of knitwear subcommittee of Technical Committee on Textiles of Standardization Administration of China
Chief Drafting Organizations of this standard: National Knitted Product Quality Supervision and Testing Center, Shanghai Triple Gun Group Co., Ltd., Beijing Li Ning Sports Goods Co., Ltd., Guangdong Province textile Product Quality Supervision and Testing center, Guangdong Yi Da Knit Co., Ltd. and Jiangsu AB Group Co., Ltd.
Chief Drafting Staff of This Standard: Zhao Hui, Xue Jifeng, Miu Jieyi, Gu Bofang, Mao Zhigang and Pei Rubing.
This standard is issued for the first time.
PROFESSIONAL STANDARD
OF THE PEOPLE'S REPUBLIC OF CHINA
中华人民共和国纺织行业标准
FZ/T 73020-2004
Knitted Sportswear
针织休闲服装
1 Scope
This standard specifies the classification, requirements, test methods, judgment rule, marks, marking, packaging, transportation and storage for knitted T-shirt products.
This standard is applicable to identify the quality of knitted homewear mainly made of knitted fabric.
2 Normative References
The provisions contains in the following normative documents which, through reference in this text, shall constitute provisions of this Standard. For dated reference, subsequent amendments (excluding correction) or revisions, any of these publications do not apply to this standard. However, the parties who enter into agreement according to these specifications are encouraged to research whether the latest editions of these labels are applied or not. For undated references, the latest edition of the normative document is applicable to this standard.
GB 250 Gray Scale for Assessing Change in Colour (GB 250-1995, idt ISO 105-A02:1993)
GB/T 2910 Textile--Binary Fibre Mixtures--Quantitative Chemical Analysis (GB/T 2910- 1997; eqv ISO 1833: 1977 )
GB/T 2911 Textiles--Ternary Fibre Mixtures--Quantitative Analysis (GB/T 2911-1997; eqv ISO 5088: 1976 )
GB/T 2912.1 Textiles--Determination of Formaldehyde-Part 1: Free and Hydrolyzed Formaldehyde (Water Extraction Method)
GB/T 3920 Textile--Tests for Color Fastness—Colour Fastness to Rubbing (GB/T 3920-1995, eqv ISO 105-X12: 1993)
GB/T 3921.1 Textiles--tests for Colour Fastness—Colour Fastness to Washing: examination 1 (GB/T 3921.1-1997; eqv ISO 105- C01:1989 )
GB/T 3922 Textiles--Testing Method for Colour Fastness to Perspiration (GB/T 3922-1995, eqv ISO 105/E04:1994)
GB/T 4802.1 Textiles--Assessing the Rate of Pilling of Fabrics-Circular Locus Method
GB/T 4856 Package of Cotton Goods and Knitwear
GB 5296.4 Instructions for Use of Products of Consumer Interest-Instructions for Use of Textiles and Apparel
GB/T 6411 A Series of Size of Knitted Underwear
GB/T 7573 Textiles--Determination of pH of Aqueous Extract (GB/T 7573- 2002; ISO 3071:1980; MOD)
GB/T 8427 Textiles--Tests for fastness, Color Fastness to Artificial Light: Xenon Arc (GB/T 8427-1998; eqv ISO 105- B02: 1994)
GB/T 8629 Textiles--Domestic Washing and Drying Procedures for Textile Testing ( GB/T 8629- 2001; eqv ISO 6330: 2000)
GB/T 8878 Cotton Knitted Underwear
GB/T 14801 Test Method for Skewness and Bow in Woven and Knitted Fabrics
FZ/T 01053 Textiles--Identification of Fiber Content"
FZ/T 01057.1 ~ 01057.11 Test Method for Identification of Textile Fibers
FZ/T 01095 Textile--Test Method of Elastane Fibre Content
GSB 16-1523-2002 Knitted Fabric Fuzzing and Pilling Sample Photograph
3 Product Type
Classifications of knitted sportswear shall comply with the requirements of GB/T 1335 or GB/T 6411.
4 Requirements
Requirements divided into aspects: inherent quality and appearance quality Inherent quality including marble bursting strength, water-washing dimensional change ratio, after washing distortion rate, colour fastness to washing, colour fastness to perspiration, colour fastness to rubbing, printing colour fastness to washing, printing colour fastness to rubbing, color fastness to artificial light, pilling, formaldehyde content, pH value, fiber content indexes etc. The appearance quality includes indexes such as surface defect, specification and size deviation, size difference of itself, adopted appurtenant material and tailoring specification etc.
4.1 Grading requirements
4.1.1 Quality grade of knitted sportswear was divided into the superior quality product, first-grade product and qualified product.
4.1.2 The quality grading of knitted sportswear: inherent quality shall be rated by batch (delivered batch), and appearance quality shall be rated by piece, combine two of them and grade the quality with the minimum grade.
4.2 Inherent Quality Requirements
4.2.1 Inherent quality requirements are detailed in Table 1 .
4.2.2 The index of each item of inherent quality shall adopt the item with the lowest inspection result as the rating criterion of this lot of products.
4.2.3 When the mark content of a kind of fibrous is not larger than 10 %, its real content shall not less than 70% mark content of itself.
4.2.4 Brushed and raised products shall not be assessed pilling.
4.2.5 The product which is engraving or burnt-out etc. structure does not assess marble bursting strength.
4.2.6 Elastic product does not assess the lateral water-washing dimensional change ratio.
Table 1 Inherent Quality Requirements
Item Superior quality First-grade product Qualified products
Marble bursting strength 135
Water-washing dimensional change ratio /(%) Straight direction -4.0~+2.0 -5.0~+2.0 -5.0~+2.0
Transverse direction -4.0~+2.0 -5.0~+2.0 -5.0~+2.0
Distortion ratio after water washing /(%) ≤ Coat 4.0 6.0 8.0
Pants 1.5 2.5 3.5
Colour fastness to washing/grade ≥ Colour change 4 3-4 3
Staining 4 3 3
Colour fastness to perspiration/grade ≥ Colour change 4 3-4 3
Staining 4 3 3
Colour fastness to rubbing/grade ≥ Dry rubbing 4 3-4 3
Wet rubbing 3-4(dark color3 ) 2-3 (dark color 2) 2-3 (dark color2 )
Colour fastness to washing/grade ≥ Colour change 3-4 3 3
Staining 3-4 3 3
Colour fastness to rubbing/grade ≥ Dry rubbing 3-4 3 3
Wet rubbing 3 2 2
Colour fastness to light/grade≥ Deep colour 4-5 4 4
Light colour 4 3 3
Pilling/Grade ≥ 4.0 3.0 2.5
Formaldehyde content /(mg/kg) ≤ 75
Ph value 4.0~7.5
Fibre content ( net dry content ) /(%) According to FZ/T 01053
Note: Colour classification: >1/12 standard depth is deep color; ≤1/12standard depth is light color.
4.3 Requirements for appearance quality
4.3.1 Appearance quality grading is determined by surface defect, size, deviation, itself size differences and the specified grading of sewing where appearance defects of different quality grades are found in one product , the product shall be graded according to the defect of lowest quality grade.
4.3.2 Rating specification for surface defect
4.3.2.1 The rating specification for surface defect is shown in Table 2.
Table 2 Grading Specification for Surface Defects
Defect name Superior quality First quality product Qualified product
Color difference min. 4 grades between basic materials; 3-4 grades between basic and indirect materials 3-4 grades between basic materials; 3 grades between basic and indirect materials
Grain skewness (stripe and plaid product ) max. 3.0% 4.0% 6.0%
Sewing tortuosity and height max. Main part and open thread part 0.2 cm ; Rest part 0.5 cm 0.5 cm
Sewing black thread max. Three in 1cm or one in 2cm for light ones; not allowed on collar, front of a garment and pocket positions. Light ones 20cm, dense ones 10c m
Ironing yellow, discolorment, water stain pressing mark, deterioration Not allowed Not allowed
Damaging defect Not allowed Not allowed
Note1: defects not listed in this table shall comply with the rating requirements of surface defects in GB/T 8878.
Note 2: surface defect degree shall be implemented by reference to "Knitted Underwear Surface Defect Color Sample Photograph".
Note 3: main part refers to two-thirds upper part of coat front (including exposed part of back neck line); pants don not have main part
4.3.2.2 Only two ultimate surface defects with the same grade are allowed to exist on the same product, those exceed shall be lowered a grade.
Contents of FZ/T 73020-2004
Foreword I
1 Scope
2 Normative References
3 Product Type
4 Requirements
5 Test Methods
6 Determination Rules
7 Marking, Packaging, Transportation and Storage
