Aktivní norma | Vydána: 01.03.2023

ASTM D312/D312M-16a(2023)

Standard Specification for Asphalt Used in Roofing (Includes all amendments and changes 3/6/2023).

Dostupné jazyky: Anglicky

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Podrobné informace

Označení: ASTM D312/D312M-16a(2023)

Datum vydání: 01.03.2023

Stran: 2

Země: Americká technická norma

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Anotace

This specification covers four types of asphalt intended for use in built-up roof construction, construction of some modified bitumen systems, construction of bituminous vapor retarder systems, and for adhering insulation boards used in various types of roof systems. The asphalts shall be prepared from crude petroleum. Asphalts shall be classified as: Type I; Type II; Type III; and Type IV. Asphalts of each type shall conform to the physical properties prescribed. Tests shall be performed to determine the properties of the material in accordance with the following methods: sampling; softening point; flash point; penetration; ductility; and solubility.

Keywords:
asphalt, built-up roof, roofing, softening point,, ICS Number Code 91.100.50 (Binders. Sealing materials)

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