Document qa4VQQJVrNGNbOpqxGja35NnR

MATERIAL SPECIFICATION No. 377 _ Data June ll+, 1963 "' Shaot 1 No. SHEETS 2 Title: Asbestos Roving- - Thread Reinforced I. Scope: This specification covers a fire resistant product made from carded, asbcstos^fibre and cotton, which is mechanically rubbed into a uniform roving around a core of cotton yarn. II. Asbestos Content: Min. - 80^. Marc. - III. Service Temperature: Material supplied to this specification shall be capable of withstanding a maximum, temperature of h50F. Grade and SiteMaterial supplied shall be AST!! D-375, underwriters' grade Available sitelhunge shall be between 3 and 1^ "cut" inclusive. V. Standard Specification: Material supplied to this specification shall meet the requirements of AST!'1. D-37S latest revision. Appro"" * Appmvad /( 11 ^ / Approvd--^ ET-00362 6B1