คุณลักษณะ 

Designed to firestop a wide variety of through penetrations, including cable , conduit,insulated pipe and metal pipe. 

• Up to 3-hour fire ratings per ASTM E 814 (UL 1479) 
• Provides cold smoke seal (L-rating) 
• Pliable - can from into almost any desired shape
• Will not dry out or crumble - can be sealed for reuse 
• Availeble in 1/10" thick pads: 4" x 8",7"x7" and 9.5" x 9.5" sizes 
• Availeble stix sizes: 1.45" x 6" and 1.4" x 11" 

Pads are typically used as a wall opening protective to meet building requirements , 

for protection of membrane penetrations made by listed steel or non-metallic electrical boxes.

Stix are typically used to seal gaps between cables in multiple penetrations (including fiber optic inner duct) 

and to firestop cable bundles, insulated pipe, electrical conduit, metal pipe and other through penetrations.