GB/T 32685-2016: Purified terephthalic acid (PTA) for industrial use

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Scope

This Standard specifies the technical requirements, test methods, inspection rules,
packaging, marking, transportation, storage and safety requirements for purified
terephthalic acid (PTA) for industrial use.
This Standard applies to purified terephthalic acid (PTA) for industrial use, which is
obtained from petroleum p-xylene through oxidation and refining. This product is
mainly used as a raw material for the production of polyester chips, long and short
polyester fibers and chemical products.
Molecular formula: C8H6O4
Structural formula:
Relative molecular mass: 166.13 (according to the international relative atomic mass in
2011)

Basic Data

Standard ID	GB/T 32685-2016 (GB/T32685-2016)
Description (Translated English)	Purified terephthalic acid (PTA) for industrial use
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G16
Classification of International Standard	71.080.40
Word Count Estimation	6,699
Date of Issue	2016-06-14
Date of Implementation	2017-01-01
Quoted Standard	GB/T 3143; GB/T 3723; GB/T 6678; GB/T 6679; GB/T 7531; GB/T 8170; GB/T 17521; GB/T 30921.1; GB/T 30921.2; GB/T 30921.3; GB/T 30921.4; GB/T 30921.5; GB/T 30921.6; GB/T 30921.7
Regulation (derived from)	National Standard Announcement No. 8 of 2016
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the technical requirements, test methods, inspection rules, packaging, marking, transportation, storage and safety requirements for industrial refined terephthalic acid (PTA). This standard applies to petroleum paraxylene as raw material, the oxidation, refined industrial system of purified terephthalic acid (PTA). The product is mainly used for the production of polyester chips, the length of polyester fiber and chemical raw materials.