T&T: KL Industries Boat tender 9.4

Mark Richter richter-pooh at rocketmail.com
Mon Jun 1 19:03:39 EDT 2009


<<This boat is polyethylene. Is 3M5200 (which is polyethylene) recommended 
as an
adhesive for mounting up the backing pads for the davits?

3M 5200 is actually a polyurethane, considerably different from 
polyethylene.  Neither 5200, nor anything else I know of will bond with any 
great strength to polyethylene.  The rather poor bonding can be improved 
(some) by flame treating the PE surface before bonding.  Use a propane 
torch, and just brush over the surface with the flame.

PE can also be welded, melting the surface of the two pieces of PE to be 
joined, then joining under some pressure:  this isn't easy except for small 
parts or cracks.

Mark Richter, m/v Winnie the Pooh  Ortona, FL on the Okeechobee Waterway
lying Boot Key Harbor, Marathon, FL 


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