ASTM C728珍珠岩绝热板标准规范
日期:2012-02-13 19:05
ASTM C728 Standard Specification for Perlite Thermal Insulation Board
ASTM C728珍珠岩绝热板标准规范
This specification covers the composition and physical properties for perlite thermal insulation board used principally above structural roof decks and as a base for built-up, modified, and elastomeric membrane roofing in building construction. Perlite thermal insulation board is classified as follows: type 1 - roof insulation board, and type 2 - roof cover/recover board. The basic material of the
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