TREMPRO® 644 HT

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TREMPRO® 644 HT

High Temperature Silicone Sealant

TREMPRO® 644 HT

High Temperature Silicone Sealant

TREMPRO® 644 High Temperature Silicone Sealant is a medium modulus, single component, acetoxy cure silicone sealant that has been formulated to maintain functionality when installed in high temperature environments, ranging from -75 to 500 °F (-59 to 260 °C) under continuous operating conditions. Additionally, it can withstand temperatures as high as 316 °C (600 °F) during intermittent exposure.

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Benefits Of Using TREMPRO® 644 HT In Your Next Project

Fast Curing

Tack-free in 30 minutes, full cure in 24 hours

Easy Application

With conventional caulking equipment and no mixing

Long-Lasting Performance

Excellent resistance to weather, ozone, UV, and chemicals

High Temperature Applications

Operational temperature range from -75 to 500 °F (-59 to 260 °C) under continuous operating conditions

TREMPRO® 644 HT Is Best For

High temperature situations
Fireplace frames
Electrical insulation
Joining metals and plastics

TREMPRO® 644 HT Resources

Download any of these featured resources or find a specific type of document below.

TREMPRO 644 HT Data Sheet

Silicone Sealant Application Instructions

Tremco CPG LEED Products List - Coatings, Sealants & Adhesives

TREMPRO 644 HT SDS

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