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This standard is drafted in accordance with the rules given in the GB/T 1.1-2009.
This standard replaces FZ/T 43015-2011 Silk Knitting Garments in whole, and the following technical deviations have been made with respect to the FZ/T 43015-2011:
— the scope is modified (see Clause 1; Clause 1 of Edition 2011);
— the test requirements for bursting strength of other fabrics are improved (see 4.4; 4.3 of Edition 2011);
— the test requirements for washing size change rate are improved (see 4.4; 4.3 of Edition 2011);
— the test item of distortion rate after washing is added (see 4.4);
— the test items of colour fastness to light and sweat are added (see 4.4);
— the test requirements for colour fastness to light and wet rubbing are adjusted (see 4.4; 4.3 of Edition 2011);
— the test item of pilling is added (see 4.4);
— the test item of appearance after washing is added (see 4.4);
— the test item of broken needle residue is added (see 4.4);
— the test requirements for grain skew are improved (see 4.5.1.1; 4.5.1.1 of Edition 2011);
— the items of delivery inspection are modified (see 6.2; 6.2 of Edition 2011).
This standard was proposed by China National Textile and Apparel Council.
This standard is under the jurisdiction of National Technical Committee 401 on Silks of Standardization Administration of China (SAC/TC 401).
The previous editions of this standard are as follows:
— FZ/T 43015-2001 and FZ/T 43015-2011.
Knitted Silk Garments
1 Scope
This standard specifies the sizes, requirements, test methods, inspection rules, marking, packaging, transportation and storage of knitted silk garments.
This standard is applicable to the knitted garments of pure silk and silk interwoven or blended with other fibers (silk content of 30% or more).
This standard is not applicable to knitted mulberry noil silk garments.
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 2828.1-2012 Sampling Procedures for Inspection by Attributes — Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection
GB/T 2910 (all parts) Textiles — Quantitative Chemical Analysis
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 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 6411 A Series of Size of Knitted Underwear
GB/T 8170 Rules of Rounding Off for Numerical Values & Expression and Judgment of Limiting Values
GB/T 8427-2019 Textiles — Tests for Colour Fastness — Colour Fastness to Artificial Light: Xenon Arc Fading Lamp Test
GB/T 8629-2017 Textiles — Domestic Washing and Drying Procedures for Textile Testing
GB/T 8630 Textiles — Determination of Dimensional Change in Washing and Drying
GB/T 14576 Textiles — Tests for Colour Fastness — Colour Fastness to Light of Textiles Wetted with Artificial Perspiration
GB/T 14801 Test Method for Skewness and Bow in Woven and Knitted Fabrics
GB 18401 National General Safety Technical Code for Textile Products
GB/T 19976 Textiles — Determination of Bursting Strength — Steel Ball Method
GB/T 21294-2014 Testing Methods of Physical and Chemical Performance of Garments
GB/T 23319.3-2010 Textiles — Determination of Spirality after Laundering — Part 3: Woven and Knitted Garments
GB/T 24121 Textile Products — Determination of the Remains of Broken Sewing Needle
GB/T 29862 Textiles — Identification of Fiber Content
GB 31701 Safety Technical Code for Infants and Children Textile Products
FZ/T 01026 Textiles — Quantitative Chemical Analysis — Mulitinary Fibre Mixtures
FZ/T 01057 (all parts) Test Method for Identification of Textile Fibers
FZ/T 01095 Textile — Test Method of Elastane Fibre Content
FZ/T 01101 Textile Test Method — Fiber Content — Quantitative Physical Analysis
3 Sizes
The sizes of knitted silk garments shall be in accordance with GB/T 1335 (all parts) or GB/T 6411.
4 Requirements
4.1 Specific requirements
It is divided into basic safety performance, inherent quality and appearance quality. Inherent quality includes 8 items, such as fiber content tolerance, bursting strength, washing size change rate, washing distortion rate, colour fastness, pilling, washing appearance and broken needle residue; appearance quality includes 4 items, such as surface defect, size deviation, size difference of symmetrical parts and sewing quality.
4.2 Grading requirements
4.2.1 The products are classified into superior products, first-grade products and acceptable products in terms of the quality grade.
4.2.2 Inherent quality shall be rated according to batch, appearance quality shall be rated according to piece, and the final grade shall be rated according to the lowest rating of inherent quality and appearance quality.
4.3 Basic safety performance
The basic safety performance shall be in accordance with the requirements of GB 18401. The textile products for infants and children shall also meet the requirements of GB 31701.
4.4 Inherent quality
See Table 1 for the requirements of inherent quality.
Foreword II
1 Scope
2 Normative References
3 Sizes
4 Requirements
5 Test Methods
6 Inspection Rules
7 Marking, Packaging, Transportation and Storage
Annex A (Informative) Inspection Sampling Scheme
