ASTM C764-25

Detail information

Designation: ASTM C764-25

Publication date: 15/04/2025

Pages: 5

Country: American technical standard

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Anotation

This specification covers the composition and physical properties of nodulated mineral fiber thermal insulation for use in attics or enclosed spaces in housing and other framed buildings. The nodulated mineral fiber thermal insulation shall be of the following types: Type I and Type II. The basic material shall be fibers made from mineral substances such as rock, slag, or glass processed from the molten state into an incombustible fibrous form. The fibers shall be mechanically processed into nodules, and are permitted to be treated to provide improved processing and handling characteristics suitable for installation by pouring or pneumatic applications. The following test methods shall be performed for purposes of initial material product requirements: thermal resistance; critical radiant flux; combustion characteristics; water vapor sorption; odor emission; corrosiveness; and fungi resistance.


Keywords:
loose-fill, mineral fiber, thermal insulation,, ICS Number Code 91.100.60 (Thermal and sound insulating materials)