3M 4000 UV Polyether Adhesive Sealant Black

Priced: $20.99 Rated:   - 4 stars out of 5 by 1 review.
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3M 4000 UV Polyether Adhesive Sealant Black -
Resistant to weathering, salt water and stresses caused by joint movement. White, non-yellowing formula is ideal for above and below waterline applications where aesthetic appeal is a priority. Seals between mechanically fastened joints on wood, fiberglass, metal and most plastics. Applications include sealing deck to hull joints, thru-hull fittings, window and door frames,etc. It is also paintable. Highly recommended for ABS, Lexan and other plastics.
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3M 4000 UV Polyether Adhesive Sealant Black Review:


Fast drying and versatile

My application has been to seal the inner tube on an old HBI inflatable dinghy. The inner tube is a clear poly bag. Its very old and leaks too often. I've patched pin holes and recently 1/8 inch cuts. All with success. This year I'm coating the entire surface, to do that I've thinned the 4000 with turpentine and tested it on samples. It holds very well but dries slower. These inner tubes get wet as sea water seeps into the unit, its normal.
John at WestMarine.com on 01/01/2011