Aktívna norma | Vydaná: 01.07.2021

ASTM D1786-21

Standard Specification for Toluene Diisocyanate

Dostupné jazyky: Anglicky

Dostupné prevedenie: Online zabezpečené PDF, Norma a Redline - Online zabezpečené PDF, Tlačené, Tlač + redline

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Podrobné informácie

Označenie: ASTM D1786-21

Dátum vydania: 01.07.2021

Stránok: 2

Krajina: Americká technická norma

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Anotácia

This specification covers toluene diisocyanate used as an ingredient in the production of polyurethane cellular materials. The three classes of toluene diisocyanate covered in this specification are based on isomer ratio, and the three types are based on acidity and hydrolyzable chloride. Materials shall be tested and the individual grades shall conform to specified values of isomer ratio, purity, APHA color, and total chlorine.

Keywords:
polyurethane, raw materials, specification, TDI, toluene diisocyanate,, ICS Number Code 83.080.20 (Thermoplastic materials)

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