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TremPro® JS-773 is a high solids, non-skinning, non-drying, synthetic, butyl elastomer sealant.

TremPro JS-773 is designed for field caulking of panel joints and can be used for in-plant applications. TremPro JS-773 is also ideal for buttering or bedding non-porous components that are squeezed together by fastening or for field caulking of the interior panel joints of PEMB panels. It can be used to separate dissimilar metals to prevent galvanic action.

The product exhibits excellent adhesion to a variety of metals and metal finishes including hot-dip galvanized steel, Galvalume®, Kynar 500®, stainless steel, polyvinylidene fluoride (PVDF), aluminum, and fiberglass.


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