ASTM International Standard Specification for Asbestos Roving ASTM D375-95(2004)e1

This specification covers asbestos roving have a specified minimum of mass % asbestos fiber, excluding the mass of other inorganic reinforcing strands which may be present. Asbestos roving covered here are classified into classes (Classes A, B, C, D, and E) according to structural component, grades (Commercial, Underwriters', A, AA, AAA, and AAAA) according to percentage of asbestos content by mass, and electrical insulation type (Types II, IV, and VI) according to magnetic rating. Specimens shall be sampled, prepared, tested, and conform accordingly to specified chemical composition (reinforcement and asbestos content), electromagnetic (electrical insulation), mechanical (tensile or breaking strength), and dimensional (roving number or linear density) property requirements.