... good heat transfer of Excellent heat resistance Anti-static nature of Surface-free powder 1, Product name: silicone sheet (Silicon sheet)2, Brand: ShinEtsu3 ... black, excellent heat resistance, antistatic propertyExample: HC-20AS => thickness of 20MM, dark blue, no powder6, the product structure:NONE: one ... :HC,HC-S, HC-A, HC-AS, HC-TS silicone rubber sheet