silicone rubber sheets are available for both transparent silicone rubber sheets - Working Temp.-70 to +220 C) Colored silicone rubber sheets. White (Translucent Silicone Rubber Sheet - Working Temp.-70 to +220 C) Red Silicone Rubber Sheet (Firebrick Silicone Rubber Sheet- - Working Temp.-70 to +270 C). Thickness starts at 0.5. mm, width 1-2 meters.