MATNIKS Silicone Rubber Sheet 12x12-inch by 1/16 Black Duro A65 High-Temperature Heavy Duty Gaskets DIY Solid Material Supporting Pads Leveling Seal Bumpers Protection Covers Anti-Slip no leaks

Silicone Rubber Sheet by MATNIKS 12x12-inch by 1/16 Black Duro A65 High-Temperature Heavy Duty Gaskets DIY Solid Material Supporting Pads Leveling Seal Bumpers Protection Covers Anti-Slip no leaks

FEL-PRO 3060 Gasket Making Material

Black Silicone Rubber Sheet, 60A 1/16 x 9 x 12 Inch Commercial Grade, Made in the USA, No Adhesive Backing, High Temp Gasket Material