GB/T 31902-2025Inspection method for appearance defects on garment interlining (English PDF)
服装衬布外观疵点检验方法
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Issued by
State Administration for Market Regulation; Standardization Administration of the PRC
Level / Type
National · Recommended
Issue date
February 28, 2025
Implementation date
September 1, 2025
Scope
GB/T 31902-2025 is the English-translated version of 服装衬布外观疵点检验方法.
GB/T 31902-2025 is the Chinese standard "Inspection method for appearance defects on garment interlining". Its scope clause reads: This document defines the terms and definitions of the inspection method for the appearance defects of garment interlinings, and specifies the equipment and tools, inspection conditions and operating requirements.
The inspection principle and inspection method are described. This document is applicable to the inspection of woven interlinings, knitted interlinings and non-woven interlinings made of various materials. Its clauses include terms and definitions.
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Document preview — GB/T 31902-2025
National Standard of the People's Republic of China
- ICS
- 59.080.01
- Classification
- W 10
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
1 Scope
This document defines the terms and definitions of the inspection method for the appearance defects of garment interlinings, and specifies the equipment and tools, inspection conditions and operating requirements.
The inspection principle and inspection method are described.
This document is applicable to the inspection of woven interlinings, knitted interlinings and non-woven interlinings made of various materials.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 250 Textiles - Grey scale for colour fastness tests
GB/T 19022 Measurement management system - Requirements for measurement processes and measurement equipment
GB/T 24117 Descriptive terms for knitted fabric defects
GB/T 24250 Descriptive terms for defects in woven fabrics
FZ/T 01076 Method for making composite test specimens of adhesive interlining
FZ/T 60034 Test method for powder loss of adhesive interlining
3 Terms and definitions
The terms and definitions defined in GB/T 24250, GB/T 24117 and the following apply to this document.
3.1 Braid defect marking
Tagging
A method of marking appearance defects (by threading or labeling) during appearance quality inspection of finished textile products.
Note. It is the abbreviation of defective braiding (or defective labeling).
3.2 length alowance
The finished textile product is lengthened due to defects.
Note. It is the abbreviation of marking scale, also called marking.
3.3 Linear defect
A defect extending in the longitudinal or transverse direction with a width not exceeding 0.3 cm.
3.4 Strip defect
Defects extending along the longitudinal or transverse directions and with a width exceeding 0.3 cm (including block-shaped defects).
3.5 Damage
Two or more yarns are broken in the warp and weft (longitudinal and horizontal) directions, or holes are 0.2 cm2 or larger, broken edges are more than 2 cm away from the edge, and the diameter is more than 0.3 cm.
GB/T 6097 | GB/T 21977 | FZ/T 01085 | GB/T 45583 | GB/T 31903 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 250Textiles -- Tests for colour fastness -- Grey scale for assessing change in colour
- GB/T 19022Measurement management systems -- Requirements for measurement processes and measuring equipment
- GB/T 24117Knitted fabrics -- Description of defects -- Vocabulary
- GB/T 24250Woven fabrics -- Description of defects -- Vocabulary
Cited by
- GB/T 23327-2025Woven adhesive interlining
- GB/T 31904-2024Nonwoven fusible interlining
- FZ/T 64027-2022Adhesive-bonded woven interlinings with low formaldhyde content
- FZ/T 64029-2022Flexible adhesive-bonded woven interlinings
- FZ/T 64031-2022Adhesive-bonded woven interlinings for garment dyeing
- FZ/T 64032-2022Adhesive-bonded weft-knitted interlinings
Similar standards
Editions of GB/T 31902
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 31902-2015 | Inspection method for appearance defects on garment interlining | first issue | Superseded |
| GB/T 31902-2025 | Inspection method for appearance defects on garment interlining | first revision | Current |
This page sells the current edition, GB/T 31902-2025. Earlier editions are listed for reference only.
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Related Standards
GB/T 19022-2003 — Measurement management systems -- Requirements for measurement processes and measuring equipment
GB/T 24117-2009 — Knitted fabrics -- Description of defects -- Vocabulary
GB/T 24250-2009 — Woven fabrics -- Description of defects -- Vocabulary
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