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Calcium Silicate Flange Covers

Calcium silicate flange covers are made from high-temperature calcium silicate (CalSil) insulation and are designed to protect and insulate flanges. Calcium silicate is known for having high compressive strength, corrosion-inhibiting properties, and maintaining its structural integrity even at high temperatures. CalSil flange covers can be used in applications up to 1200°F. View our selection of calcium silicate flange covers below!

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