Tremco SG635 is a 300 kg density PVC foam which is coated both sides with high tack acrylic adhesive with blue filmic liner for easy release. SG635 has an open cell structure to allow curing of structural silicones on all sides of the joint.
Tremco SG635 is designed to give a specific gap thickness for structural silicone in structural glazing systems. The open cell nature of the foam allows curing of structural silicones.
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