Rutland 500°F RTV High Heat Silicone Sealant forms a tough rubbery adhesive seal, and mantains its flexibility at 450°F continuously and 500°F intermittently. It can be used to seal fireplace inserts, solar panel repairs, flashings, applying ceramic tiles - anywhere a black or translucent permanent elastic seal is needed both indoors and outdoors. Adheres to most materials, cures tack-free in minutes and usually fully cured after 24 hours.
Forms a permanent, elastic rubbery seal
Does not require heat to cure
Remains flexible even in high temperatures
Excellent chemical resistance
Meets or exceeds specifications: FDA Regulation No. 21 CFR 177.2600 and Fed. Spec. TT-S-001543a, TT-S-00230c, MIL-A46106A Type 1, and ASTM C 920-86.
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