Astm C 920 ✦ Top & Original

ASTM C920 organizes sealants into a logical code system printed on every compliant container.

Example: If a joint is 1 inch wide, a Class 25 sealant can stretch to 1.25 inches and compress to 0.75 inches without failing. astm c 920

A sealant meeting ASTM C920 is defined by a four-part classification code. ASTM C920 organizes sealants into a logical code

How is the sealant packaged and chemically cured? astm c 920