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Reference register

Textile standards crosswalk: ISO, ASTM, AATCC and BIS

3,037 test methods indexed by number across ISO, ASTM, AATCC, BIS, GB, JIS and EN, 503 of them with a full record. Where an equivalent is known it is stated as IDT, MOD or NEQ, with the deviation declared wherever it is MOD.

Any body’s number. It lands on the crosswalk that covers it, whichever body issued it.

Every issuing body

Showing 331–340 of 3,037

What are ISO, ASTM and AATCC — and what do IDT, MOD and NEQ mean?

Calculators on this site cite 35 further standards that the register does not cover yet. They are being written in order of how many tools need them.

ISO 1833-20

Textiles — Quantitative chemical analysis — Part 20: Mixtures of elastane with certain other fibres (method using dimethylacetamide)

Elastane dissolved in dimethylacetamide, leaving the ground fibre. Every stretch fabric needs this one, and elastane is the component most often mis-declared: it is present in small percentages…

ISO 1833-21

Textiles — Quantitative chemical analysis — Part 21: Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates with certain other fibres (method using cyclohexanone)

Chlorofibres, some modacrylics, some elastanes, acetates and triacetates dissolved in cyclohexanone. The alternative to Part 12 and Part 13 for several of the same fibres, with a less…

ISO 1833-22

Textiles — Quantitative chemical analysis — Part 22: Mixtures of viscose or certain types of cupro or modal or lyocell with flax fibres (method using formic acid and zinc chloride)

Viscose, cupro, modal or lyocell dissolved in formic acid with zinc chloride, leaving flax. The linen-blend counterpart of Part 6, and it carries the same difficulty: flax and…

  • CEN
  • IDT

ISO 1833-24

Textiles — Quantitative chemical analysis — Part 24: Mixtures of polyester and certain other fibres (method using phenol and tetrachloroethane)

Polyester dissolved in phenol with tetrachloroethane. The method for proving polyester content when the other component would not survive the sulfuric acid route - it dissolves the polyester…

  • CEN
  • IDT

ISO 1833-25

Textiles — Quantitative chemical analysis — Part 25: Mixtures of polyester with certain other fibres (method using trichloroacetic acid and chloroform)

Polyester dissolved in trichloroacetic acid with chloroform. The second polyester-dissolving route, for blends where phenol and tetrachloroethane are unsuitable or unavailable. The residue is weighed and corrected by…

  • CEN
  • IDT

ISO 1833-26

Textiles — Quantitative chemical analysis — Part 26: Mixtures of melamine with certain other fibres (method using hot formic acid)

Melamine fibres separated using hot formic acid. Melamine is a flame-resistant fibre found in protective clothing and upholstery, and blends containing it are usually being tested because a…

  • CEN
  • IDT

ISO 1833-27

Textiles — Quantitative chemical analysis — Part 27: Mixtures of cellulose fibres with certain other fibres (method using aluminium sulfate)

Cellulose fibres dissolved with aluminium sulfate. A gentler route than the sulfuric acid parts, for residues that concentrated acid would damage. The residue is weighed and corrected by…

ISO 1833-28

Textiles — Quantitative chemical analysis — Part 28: Mixtures of chitosan with certain other fibres (method using diluted acetic acid)

Chitosan dissolved in dilute acetic acid. Chitosan appears in antimicrobial and medical textiles, usually in small proportions, and this part exists because it dissolves in conditions that leave…

  • CEN
  • IDT

ISO 1833-29

Textiles — Quantitative chemical analysis — Part 29: Mixtures of polyamide with polypropylene/polyamide bicomponent (method using sulfuric acid)

Polyamide dissolved in sulfuric acid, leaving the polypropylene side of a polypropylene/polyamide bicomponent fibre. The newest problem in the series: a bicomponent fibre is one fibre made of…

  • CEN
  • IDT

ISO 1833-3

Textiles — Quantitative chemical analysis — Part 3: Mixtures of acetate with certain other fibres (method using acetone)

Acetate dissolved in acetone, leaving the other fibre behind. The workhorse method for acetate blends, and the one to reach for before the benzyl alcohol or acetic acid…

  • CEN
  • IDT
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