Lab tested and compatible with ABS, PVC, CPVC, PP, PE and PB plastic materials. Use this product only on listed Systems Designs printed in the Underwriters Laboratories and Warnock Hersey fire resistance directories.
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Durable caulk is heat-resistant (up to 240°F/115°C). SEAL INTERIOR CONSTRUCTION VOIDS: Superior adhesion strength, caulk rate and non-sag application, plus a halogen-free formula. No mixing required.
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The selected fillers used in this formulation also make it suitable for use as an acoustic sealant. Fast cure – tack free in 15 minutes. When exposed to heat, it swells greater than 3 x it’s original size, so creating a char that will resist the passage of fire for up to 5 hours.
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Tack free in 15 minutes. Swells greater than 3x its original size when exposed to heat. Fire rated up to 5 hours. Excellent acoustic properties for sound deadening – average noise reduction of 29dB.
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It possesses good tack and application properties and will resist the effects of heat to temperatures of 1250°C. It forms a strong rigid bond to high temperature, resisting insulation material and most inorganic surfaces.
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