GB/T 5325-2024
Cotton and polyester blended natural color fabric (English Version)

Standard No.
GB/T 5325-2024
Language
Chinese, Available in English version
Release Date
2024
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China  CN  /  GB
Latest
GB/T 5325-2024
Replace
GB/T 5325-2009
 

Introduction

1. Background and significance of standard revision

GB/T 5325-2024 "Cotton and polyester blended natural fabric" national standard is the fourth revision of the original standard GB/T 5325-2009, mainly optimizing the requirements for internal quality and appearance quality. This revision fully considers the technological progress and market demand changes in the textile industry, adds new assessment indicators such as the unit area pulp-free dry quality deviation rate and cotton knot impurity defect rate, and deletes some outdated inspection regulations.


2. Intrinsic quality classification requirements

Items Superior products First-class products Second-class products
Density deviation rate/% According to design nominal value Meridian: -1.2~+1.2 Meridian: -1.5~+1.5 -
Latitude deviation rate/% Weft direction: -1.0~+1.2 Weft direction: -1.0~+1.5 -
Fiber content deviation/% Superior product: -2.0~+2.0 First grade product: -2.5~+2.5 Second grade product: -3.0~+3.0
Deviation rate of pulp-free dry mass per unit area/% Superior product: -3.0~+3.0 First grade product: -5.0~+5.0 Second grade product: -5.0~+5.0

Case Analysis:

The density deviation rate of cotton and polyester blended natural fabric produced by a certain enterprise is +1.0% in the warp direction and -0.8% in the weft direction. According to the provisions of Table 1, this product meets the requirements of superior products.


3. Appearance Quality Evaluation Method

Items Superior Products First-class Products Second-class Products
Fabric Structure Meet the Design Requirements Meet the Design Requirements Meet the Design Requirements
Width Deviation Rate/% -1.0~+1.2 -1.0~+1.5 -1.5~+2.0
Fabric surface defects/points/100m² ≤18 ≤28 ≤40

Case analysis:

The defect score of a batch of fabrics is 25 points/100m², which meets the requirements of first-class products. However, if the score exceeds 40 points, it will be downgraded to second-class products.

GB/T 5325-2024 Referenced Document

  • FZ/T 10006 Inspection method for grid rate of neps, impurities and defects in natural-colored cloth
  • FZ/T 10025 Specifications for Technical Requirements of Natural Color Cloth
  • FZ/T 10026 Test method for dry quality of unbleached cloth per unit area without pulp
  • GB/T 17759 Inspection method for grey fabric surface defects
  • GB/T 2910.11 Textiles - Quantitative chemical analysis - Part 11: Mixtures of certain cellulosic fibers with certain other fibers (sulfuric acid method)*2024-04-25 Update
  • 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 43831 棉及化纤纯纺、混纺本色布检验、标志与包装*2026-05-12 Update
  • GB/T 4666 Textiles.Fabrics.Determination of width and length
  • GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

GB/T 5325-2024 history

Cotton and polyester blended natural color fabric

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Standard and Specification




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