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.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by China National Textile and Apparel Council.
This standard is under the jurisdiction of Subcommittee on Sportswear of National Technical Committee on Sporting Goods of Standardization Administration of China.
Contents
Foreword i
1 Scope 1
2 Normative References 1
3 Size 2
4 Requirements 2
5 Test Methods 7
6 Judgment Rules 15
7 Product Instruction, Packaging, Transportation and Storage 15
Knitted Yoga Garment
1 Scope
This standard specifies size, requirements, test methods, judgment rules, and product instruction, packaging, transportation and storage of knitted yoga garment.
This standard is applicable to appraise the quality of knitted yoga garment produced with knitted fabric as main shell fabric.
This standard is not applicable to garments for infants aged 36 months and below.
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 250 Textiles - Tests for Colour Fastness - Grey Scale for Assessing Change in Colour
GB/T 1335 (all parts) Standard Sizing Systems for Garments
GB/T 2910 (all parts) Textiles - Quantitative Chemical Analysis
GB/T 2912.1 Textiles - Determination of Formaldehyde - Part 1: Free and Hydrolized 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 - Tests for Colour Fastness - Colour Fastness to Perspiration
GB/T 4802.1-2008 Textiles - Determination of Fabric Propensity to Surface Fuzzing and to Pilling - Part 1: Circular Locus Method
GB/T 4856 Package of Cotton Goods and Knitwear
GB 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 6411 A Series of Size of Knitted Underwear
GB/T 6529 Textiles - Standard Atmospheres for Conditioning and Testing
GB/T 7573 Textiles - Determination of pH of the Aqueous Extract
GB/T 8170 Rules of Rounding Off for Numerical Values & Expression and Judgment of Limiting Values
GB/T 8629-2001 Textiles - Domestic Washing and Drying Procedures for Textile Testing
GB/T 8878 Knitted Cotton Underwear
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 18401 National General Safety Technical Code for Textile Products
GB/T 19976-2005 Textiles - Determination of Bursting Strength - Steel Ball Method
GB/T 21655.1 Textiles - Evaluation of Absorption and Quick-Drying - Part 1: Method for Combination Tests
GB/T 21655.2 Textiles - Evaluation of Absorption and Quick-Drying - Part 2: Method for Moisture Management Tests
GB/T 29862 Textiles - Identification of Fiber Content
GB/T 31127-2014 Textiles-Tests for Colour Fastness - Colour Fastness to Transfer in Joints
GB 31701-2015 Safety Technical Code for Infants and Children Textile Products
FZ/T 01026 Textiles - Quantitative Chemical Analysis - Quaternary Fibre Mixtures
FZ/T 01057 (all parts) Test Method for Identification of Textile Fibres
FZ/T 01095 Textile - Test Method of Elastane Fibre Content
FZ/T 01101 Textile Test Method - Fiber Content - Quantitative Physical Analysis
FZ/T 70006 Stretch and Recovery Testing Method for Knits
GSB 16-1523 Knitted Fabric Fuzzing and Pilling Sample Photograph
GSB 16-2159 Knitwear Standard Depth Scale (1/12)
GSB 16-2500 Colorful Sample Photos of Surface Defect on Knitted Fabrics
3 Size
In accordance with the requirements of GB/T 6411 or GB/T 1335 (all parts).
4 Requirements
4.1 Requirement contents
Requirements include inherent quality and appearance quality. The former includes fiber content, formaldehyde content, pH value, peculiar smell, decomposable carcinogenic aromatic amine dyes, color fastness to soaping, color fastness to rubbing, color fastness to perspiration, color fastness to water, color fastness to transfer in joints, bursting strength, pilling, dimensional stability to washing, distortion after washing, elastic elongation, stretch and recovery, absorption and quick-drying and appearance after washing. The later includes surface defect, deviation in specification and dimension, dimensional deviation of symmetrical parts, sewing requirements and stitch elongation etc.
4.2 Grading requirements
4.2.1 Knitted yoga garment is divided into high-grade products, first-grade products and qualified products according to quality grade.
4.2.2 The inherent quality is graded by batches while the appearance quality is graded by pieces. If the above two methods are used in combination, the minimum grade shall prevail.
4.2.3 For inherent quality indexes, the minimum inspection result is used as a grading criterion for this batch of products.
4.2.4 If two different grades of appearance quality problems are discovered on the same product, it shall be assessed according to the minimum grade. Only two limit surface defects with the same grade are allowed on the same product, otherwise one grade will be reduced.
4.3 Inherent quality requirements
4.3.1 See Table 1 for the inherent quality requirements.
Foreword i
1 Scope
2 Normative References
3 Size
4 Requirements
5 Test Methods
6 Judgment Rules
7 Product Instruction, 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.
This standard is developed in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by China National Textile and Apparel Council.
This standard is under the jurisdiction of Subcommittee on Sportswear of National Technical Committee on Sporting Goods of Standardization Administration of China.
Contents
Foreword i
1 Scope 1
2 Normative References 1
3 Size 2
4 Requirements 2
5 Test Methods 7
6 Judgment Rules 15
7 Product Instruction, Packaging, Transportation and Storage 15
Knitted Yoga Garment
1 Scope
This standard specifies size, requirements, test methods, judgment rules, and product instruction, packaging, transportation and storage of knitted yoga garment.
This standard is applicable to appraise the quality of knitted yoga garment produced with knitted fabric as main shell fabric.
This standard is not applicable to garments for infants aged 36 months and below.
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 250 Textiles - Tests for Colour Fastness - Grey Scale for Assessing Change in Colour
GB/T 1335 (all parts) Standard Sizing Systems for Garments
GB/T 2910 (all parts) Textiles - Quantitative Chemical Analysis
GB/T 2912.1 Textiles - Determination of Formaldehyde - Part 1: Free and Hydrolized 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 - Tests for Colour Fastness - Colour Fastness to Perspiration
GB/T 4802.1-2008 Textiles - Determination of Fabric Propensity to Surface Fuzzing and to Pilling - Part 1: Circular Locus Method
GB/T 4856 Package of Cotton Goods and Knitwear
GB 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 6411 A Series of Size of Knitted Underwear
GB/T 6529 Textiles - Standard Atmospheres for Conditioning and Testing
GB/T 7573 Textiles - Determination of pH of the Aqueous Extract
GB/T 8170 Rules of Rounding Off for Numerical Values & Expression and Judgment of Limiting Values
GB/T 8629-2001 Textiles - Domestic Washing and Drying Procedures for Textile Testing
GB/T 8878 Knitted Cotton Underwear
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 18401 National General Safety Technical Code for Textile Products
GB/T 19976-2005 Textiles - Determination of Bursting Strength - Steel Ball Method
GB/T 21655.1 Textiles - Evaluation of Absorption and Quick-Drying - Part 1: Method for Combination Tests
GB/T 21655.2 Textiles - Evaluation of Absorption and Quick-Drying - Part 2: Method for Moisture Management Tests
GB/T 29862 Textiles - Identification of Fiber Content
GB/T 31127-2014 Textiles-Tests for Colour Fastness - Colour Fastness to Transfer in Joints
GB 31701-2015 Safety Technical Code for Infants and Children Textile Products
FZ/T 01026 Textiles - Quantitative Chemical Analysis - Quaternary Fibre Mixtures
FZ/T 01057 (all parts) Test Method for Identification of Textile Fibres
FZ/T 01095 Textile - Test Method of Elastane Fibre Content
FZ/T 01101 Textile Test Method - Fiber Content - Quantitative Physical Analysis
FZ/T 70006 Stretch and Recovery Testing Method for Knits
GSB 16-1523 Knitted Fabric Fuzzing and Pilling Sample Photograph
GSB 16-2159 Knitwear Standard Depth Scale (1/12)
GSB 16-2500 Colorful Sample Photos of Surface Defect on Knitted Fabrics
3 Size
In accordance with the requirements of GB/T 6411 or GB/T 1335 (all parts).
4 Requirements
4.1 Requirement contents
Requirements include inherent quality and appearance quality. The former includes fiber content, formaldehyde content, pH value, peculiar smell, decomposable carcinogenic aromatic amine dyes, color fastness to soaping, color fastness to rubbing, color fastness to perspiration, color fastness to water, color fastness to transfer in joints, bursting strength, pilling, dimensional stability to washing, distortion after washing, elastic elongation, stretch and recovery, absorption and quick-drying and appearance after washing. The later includes surface defect, deviation in specification and dimension, dimensional deviation of symmetrical parts, sewing requirements and stitch elongation etc.
4.2 Grading requirements
4.2.1 Knitted yoga garment is divided into high-grade products, first-grade products and qualified products according to quality grade.
4.2.2 The inherent quality is graded by batches while the appearance quality is graded by pieces. If the above two methods are used in combination, the minimum grade shall prevail.
4.2.3 For inherent quality indexes, the minimum inspection result is used as a grading criterion for this batch of products.
4.2.4 If two different grades of appearance quality problems are discovered on the same product, it shall be assessed according to the minimum grade. Only two limit surface defects with the same grade are allowed on the same product, otherwise one grade will be reduced.
4.3 Inherent quality requirements
4.3.1 See Table 1 for the inherent quality requirements.
Contents of FZ/T 74005-2016
Foreword i
1 Scope
2 Normative References
3 Size
4 Requirements
5 Test Methods
6 Judgment Rules
7 Product Instruction, Packaging, Transportation and Storage
