ASTM C1149-23

Podrobné informácie

Označenie: ASTM C1149-23

Dátum vydania: 01.03.2023

Stránok: 7

Krajina: Americká technická norma

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Anotácia

This specification covers self-supported spray applied cellulosic thermal insulation for use as thermal insulation or acoustical absorbent material, or both. The chemically-treated cellulosic materials that are also covered in this specification are used for pneumatic applications operating within a specific temperature range. The materials are classified into two types based on the type of adhesive used and exposure of the application. Specimens for testing should be prepared and tested using the prescribed methods and should conform to the specified values of density, thermal resistance, surface bonding characteristics, adhesive strength, cohesive strength, smoldering combustion, fungi resistance, corrosion, moisture vapor absorption, odor, flame resistance permanency, substrate deflection, and air erosion.


Keywords:
cellulose, self-supporting thermal insulation, spray-applied,, ICS Number Code 91.120.10 (Thermal insulation of buildings)