ASTM C1330-23

Anotácia textu normy ASTM C1330-23 :

This standard specification covers the basic requirements for cylindrical sealant backing for use with cold liquid-applied sealants. Cylindrical sealant backings are classified into three types: type C, type O, and type B, composed predominantly of closed cell material, open cell material, and bi-cellular material, respectively. Test methods for cylindrical sealant backing include water absorption, density, outgassing, compression deflection and recovery, and tensile strength. The sealant shall be clean, free of scale, foreign matter, oil, or water.


Keywords:
backer rod, cylindrical sealant backing, joint backing, sealant backing ,, ICS Number Code 91.100.50 (Binders. Sealing materials)