Document 936D5OqqKZpXEoRQgrQmNOyZ5

MATERIAL SPECIFICATION No. 379 =- _ Title: Asbestos Yam - waxed. D*t June 14, 1963 Sht 1 No. SHEETS 2 I. Scope: This-specification covers a fire retardant product known as single asbestos yarn which is made from rubbed asbestos roving. The finishedTyarn shall have a waxed surface. II. Asbestos Content: Min. - 8o> Max. - 8 III. Service Temperature: The material supplied to this specification shall be capable of -withstanding a maximum temperature of i50aT* IV. Grade and Sizes: The material shall be A5T^iD-299>uaiervrr^ers grade. Sizes available shall be between 5 and 18 "rut" inclusive. y. Standard Specification: All provisions and requirements of ASTM D-299> latest revision, shall apply. ApproTd/^V^7 Approrad Appror* ET-00366 r... -- -------- - 6D1