GB/T 46399-2025 Active National standards

GB/T 46399-2025 Fibre grade para-phenylene terephthalamide(PPTA) powder

GB/T 46399-2025 Fibre grade para-phenylene terephthalamide(PPTA) powder

Publish Date: 2025-10-05 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46399-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Semi-finished products of chemical fibers

ICS Name: Artificial fibers

Publish Date: 2025-10-05

Implement Date: 2026-05-01

Pages: 16 pages

Scope

This document defines the terms and definitions of fiber-grade poly(phenylene terephthalamide) (PPTA) powder products, stipulates the technical requirements, inspection rules, marking, packaging, transportation, and storage of the products, and describes the corresponding test methods.
This document is applicable to the fiber-grade polyamide powder synthesized by the condensation polymerization of phenylene diamine and terephthalic chloride.

Development Information

Word Count: 19 Thousand words Pages: 16 pages

Referenced Standards

GB/T 602-2002 Chemical reagent—Preparations of standard solutions for impurity GB 5009.90-2016 The National Standard for Food Safety: Determination of Iron in Foods GB 5009.92-2016 National Standards for Food Safety: Determination of Calcium in Foods GB/T 6678-2003 General principles for sampling chemical products GB/T 6679-2003 General rules for sampling solid chemical products GB/T 12010.6-1989 Determination for sodium acetate contents of polyvinyl alcohol resins GB/T 12010.6-2010 Plastic—Poly(vinyl alcohol) (PVAL) materials—Part 6:Determination for particle size GB/T 30921.7-2016 Test method of purified terephthalic acid(PTA) for industrial use—Part 7:Determination of b* value—Color difference meter GB/T 41671-2022 Man-made fibers—Determination of solvent residues content FZ/T 50057-2022 Determination of total antimony content for poly(ethylene terephthalate)fiber GB/T 602-2026 Chemical reagent—Preparations of standard solutions for impurity

Related Standards

GB/T 4146-1984 Replaced

GB/T 4146-1984 Textile terms and terminology (Parts of chemical fibers)

Publish Date: 1984-02-22

GB/T 6509-1986 Replaced

GB/T 6509-1986 Method for determination of low molecular weight compounds content in polyamide 6

Publish Date: 1986-06-18

GB/T 9997-1988 Replaced

GB/T 9997-1988 Man-made fibres—Determination of breaking strength and elongation of individual fibres

Publish Date: 1988-12-10

GB/T 14334-1993 Replaced

GB/T 14334-1993 Sampling method of synthetic staple fibres

Publish Date: 1993-04-20

GB/T 14335-1993 Replaced

GB/T 14335-1993 Testing method for linear density of synthetic staple fibres

Publish Date: 1993-04-20

GB/T 14336-1993 Replaced

GB/T 14336-1993 Testing method for length of synthetic staple fibres

Publish Date: 1993-04-20