Standard Specification for Purified Terephthalic Acid (PTA) with Low p-Toluic Acid
NORMA vydaná dňa 1.1.2022
Označenie normy: ASTM D8062-22
Dátum vydania normy: 1.1.2022
Kód tovaru: NS-1046513
Počet strán: 2
Približná hmotnosť: 6 g (0.01 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
p-toluic acid, purified terephthalic acid, 4-carboxybenzaldehyde, iron, total heavy metals, water,, ICS Number Code 71.080.40 (Organic acids)
1.1This specification covers purified terephthalic acid (PTA) for use in the production of polyesters for superfine denier fiber.
1.2The following applies to all specified limits in this specification: 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, in accordance with the rounding-off method of Practice .
1.3Consult current OSHA regulations, suppliers Safety Data Sheets, and local regulations for all materials used in this specification.
1.4The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.5This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.6This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Posledná aktualizácia: 2022-07-01 (Počet položiek: 2 574 846)
© Copyright 2022 NORMSERVIS s.r.o.