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Database: 365,228(8 Aug 2026)

Impurity rate

Impurity rate, Total:12 items.

The international standard classification for "Impurity rate" includes: Natural fibres , Textile fibres in general .

The Chinese standard classification for "Impurity rate" includes: Fibre crop and product , Cotton textile in general , Wool textile in general , Half finished linen products , Half finished wool products .


General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 16255.2-1996 Test method for the percentage of burry and impurities in mohair
  • GB/T 6499-2012 Test method for percentage of trash content in raw cotton
  • GB/T 13835.3-1992 Test method for the percentage of impurities in angora rabbit hair
  • GB/T 6499-2022 Test method for percentage of trash content in raw cotton
  • GB/T 13835.3-2009 method for rabbit hair - Part 3: Percentage of foreign matter, coarse hair and loosen hair
  • GB/T 12411.6-1990 Test method for percentage of trash content in jute and kenaf fibres
  • GB/T 6499-2007 Test method for percentage of trash content in raw cotton
  • GB/T 16255.2-2008 Test method for the percentage of burry and impurities in scoured mohair
  • GB/T 6499-1992 Test method for percentage of trash content in raw cotton

Group Standards of the People's Republic of China

Xinjiang Provincial Standard of the People's Republic of China

  • DB65/T 4753-2024 Technical specification for simultaneous rapid detection of trash content and moisture regain of seed cotton

Professional Standard - Commodity Inspection

  • SN/T 5620-2024 Municipal Solid Waste Identification: Test Method for Impurity Content of Flax Short Fibers