- -80%
ASTM C 220 : 1991 : R2015 Standard Specification for Flat Asbestos-Cement Sheets (Withdrawn 2021)
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This specification covers asbestos-cement sheets in flat form designed for industrial, commercial, and general building purposes, of the following types:Flat Sheets, Type F (Flexible)—An asbestos-cement flat sheet suitable for exterior and interior use, where a board having higher strength and density, smoother surface, greater flexibility, and lower moisture absorption is desired.