66101, Mineral Wool

66101, Mineral Wool – Firestop Accessories for Electrical and Lighting Solutions The 66101 Mineral Wool is a non-combustible firestop accessory used primarily as safing material in electrical and lighting installations. It provides effective backing for firestop sealants, ensuring fire containment in penetrations around wiring, cables, and conduit systems. This product is suitable for use by electrical distributors and switchgear suppliers requiring reliable firestop solutions within wire and cable assemblies. Specifications Manufacturer: RectorSeal Manufacturer Part #: 66101 Product Weight: 43.11 lbs Thickness: 2 inches Material: Mineral Wool UPC: 021449661010 Density: 6 lb./cu. ft. safing Non-combustible Features Non-combustible mineral wool backing Designed for use as safing material in firestop applications Provides effective fire containment around electrical penetrations Compatible with concrete, wood, and gypsum installations Downloads & Links Catalog