Applicable Standards: ASTM Specification: C-920 Type S, Grade NS, Class 25, Use T, NT, M, G, A: and GSA (C.I.D.) No. AA-1556 Type S, Grade NS, Class 25, Use T, NT, M, G, A
SIR-O-SIL 50™ Meets the Performance Requirements of AAMA 803.3-92, Type II and is Approved by AAMA
Federal Specification TT-S-00203C (COM-NBS) Type 11, Class A
Federal Specification TT-S-0001543A (COM-NBS) Class A
ASTM C-834 Type OP, Grade -18° C