M00000901
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ASTM C549-81(1995)e1 Standard Specification for Perlite Loose Fill Insulation
standard by ASTM International, 01/01/1995
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Availability date: 07/24/2021
1.1 This specification covers the composition and physical properties of expanded perlite loose fill insulation. The specification also includes the testing procedures by which the acceptability of the material may be determined. These testing procedures deal primarily with material performance in the temperature range associated with the thermal envelope of buildings; however, the commercially usable temperature range for this insulation is from -459 to 1400