ASTM D7976-14(2020)
ASTM D7976-14(2020)

ASTM D7976-14(2020)

février 2020
Norme En vigueur

Standard Specification for Purified Terephthalic Acid (PTA)

This specification establishes requirements for purified terephthalic acid (PTA) used in the manufacturing of polymers, including the production of polyesters for fiber, filament, yarn, film, coating, bottle and resin applications. For purposes of determining conformance with this specification, an observed value or a calculated value shall be rounded off to the nearest unit in the last right-hand digit used in expressing the specification limit. This specification covers properties and sampling of the material.

Information importante
Informations générales

Collections

Normes américaines ASTM

Date de publication

février 2020

Nombre de pages

2 p.

Référence

ASTM D7976-14(2020)

Indice de classement

D7976-14R20
Résumé
Standard Specification for Purified Terephthalic Acid (PTA)

This specification establishes requirements for purified terephthalic acid (PTA) used in the manufacturing of polymers, including the production of polyesters for fiber, filament, yarn, film, coating, bottle and resin applications. For purposes of determining conformance with this specification, an observed value or a calculated value shall be rounded off to the nearest unit in the last right-hand digit used in expressing the specification limit. This specification covers properties and sampling of the material.

Besoin d’identifier, de veiller et de décrypter les normes ?