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This is a 1/8-inch-thick, closed-cell silicone foam sheet in a 120 by 36 inch roll, rated flame-resistant and usable from -100°F to 500°F. The closed-cell structure resists water and weather, and the silicone holds up against many acids, oils and solvents. It is a sealing, gasketing and insulation material rather than a consumer product, and it competes with EPDM and neoprene foams that cost less but cannot take the same heat or flame exposure. Buyers choose it when high temperature, flame rating and chemical resistance matter more than price.
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Lowest price we've seen: $33.29 on Nov 14 at Fix Supply; highest $263.82 on Nov 4. Tracked across 13 stores since Nov 4.
This is a closed-cell silicone foam roll in a flame-resistant grade. It has a textured surface and a plain backing with no adhesive.
The foam withstands temperatures from -100°F to 500°F. It has good water resistance and excellent weather resistance. It also resists many acids, oils, and solvents.
