A FIRE PERFORMANCE MATERIAL, AND CABLE INCLUDING THE MATERIAL

摘要

A fire resistant material including an extrudable mixture of an silicone elastomer or polymer 1.006 including silicone and CaCO3 filler 1.004, the CaCO3 filler being present in the mixture in an amount to leave an insulating or protective layer 1.012 on a substrate such as an electrical conductor 1.010. The material contains no more than 50 parts by weight of ceramizable or glassforming filler to 100 parts by weight polymer. The silicone polymer and CaCO3 in combination preferably form more than 92% of the material. When used as a layer or jacket for a cable, the mixture decomposes on exposure to fire to provide a protective or electrically insulative layer on the conductor.