Descripti***: Silicone sponge sheet is with high compressibility and low compression which set over a wide temperature range. Good acoustic and thermal insulation properties. Suitable for long term continuous use from -60 to 400ºF (-50 to 200ºC) and for intermittent use from -100 to 500ºF (-75 to 260ºC) UL recognition Specification: Thickness: 2-30mm Length*width: 1.2m*X meter Application: Thermal insulation; High and low temperature acoustic insulation High and low temperature gaskets and seals NOTE: Size can be optional by customers