It is made by molding method with silicon rubber. The thickness are 3mm,5mm, 6mm,10mm, ... and 20mm. Size: 1m x 2m Silicon rubber sheet Silicon rubber sheet is made by molding method with silicon ... rubber. The thickness are 3mm,5mm, 6mm,10mm, ... or industry areas.The colors available are grey, brown, yellow, green, red, white and transparent. Silicon rubber sheet