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Author	Topic:   King Starboard adhesive question
MantyMonty	posted 03-27-2005 11:16 PM ET (US)         I need to laminate two pieces of King Starboard for a spacer under my kicker motor mount. These two sheets will never have to come apart again, so a permanent adhesive would be good. Maybe 5200, 4200, epoxy? Anyone have sugestions what works and what doesn't work with this material? Thanks and have a great day.
Sammy	posted 03-28-2005 12:26 AM ET (US)             The supply house selling Starboard locally had a document from the manufacturer that listed 3M Scotch-Weld DP-8005 "Acrylic Structural Plastic Adhesive" as the proper adhesive to use with Starboard. The guy at the supply house specifically advised not using epoxy or 5200 so I didn't try it (maybe others have and can report results).
greyg8r	posted 03-28-2005 03:48 AM ET (US)          The following statement comes from the King Starboard web page: Adhesives have been used with some success, however King Plastic Corporation recommends using mechanical fasteners to ensure reliability.
macfam	posted 03-28-2005 08:09 AM ET (US)             I highly recommend Scotch-Weld DP8005 for bonding King Starboard to itself. The worktime is SHORT! Just a minute or two. Then clamp and let it set for 12-24 hours for full strength. I've used it and it's held well for several years under very tough conditions. DP8005 is not cheap. You need the Epoxy cartridge, the "plastic gun", and one-use disposable mixer nozzles. Buy extra nozzles for later projects around the house and boat etc.
bsmotril	posted 03-28-2005 12:03 PM ET (US)             5200 or 4200 adhesives will work, but only if you give them a mechanical tooth to bond to since not much sticks to polyethylene plastic at all. You can do that by routing dovetail grovves onto the back of the pieces and filling them completely with adhesive. The undercut edges of the grooves give the adhesive the tooth it needs to hold. If you use 5200 and this method, the only way to get them apart will be a saw. BillS

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