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Non-Curing Butyl Sealant #8660 - 12 x 10 oz Tubes - Lucas
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Lucas Non-Curing Butyl Sealant #8660 - 12 x 10 oz Tubes

Product Code: L-8660-TUBES

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Lucas #8660 Non-Skinning Butyl Sealant is a low modulus, butyl rubber based, non-sag sealant. It is intended for use as a sealant for metal roof and panels. It has permanent flexibility, high moisture resistance and an exceptional ability to absorb sound and movement. #8660 is also useful anywhere a low modulus sealant is desired such as in OEM trailer and RV applications, acoustical ceiling and wall installations and walk in cooler and freezer applications. Not for use as a single-ply roofing adhesive or lap adhesive.


Surface to be sealed must be dry and free of dirt or loose corrosion particles. Apply to the area as desired. The applied bead will self-level to two to three times the diameter of the applied bead. Tooling is not normally necessary.

Shelf Life: Two years from the date of manufacture.

Brand Lucas
Color Gray
Flash point 105°F (40° C)
Material type Butyl Rubber
Tensile strength <100 psi
Voc < 150 g/l
Weight per gallon 10.5 lbs

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