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Old Jul 07, 2011, 02:03 PM
Registered User
United States, MA, Medfield
Joined Jul 2010
848 Posts
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Two different contact cements stuck like glue

Experiment--

Put water-based Beaon CraftFoam Glue on a piece of FFF (polystyrene foam) and let it dry. (An organic-solvent-based contact cement like Welders or Goop would melt polystyrene).

Put Welders (organic-solvent-based) contact cement on a piece of coroplast (made of polypropylene like EPP) and let it dry.

Stuck them both together.

There ain't no way they're coming apart without tearing the foam to into teeny tiny pieces.

In the past, I tried the Beacon stuff with EPP once with very poor results so I figured I'd never use it again unless I need to use it on polystyrene.

But apparently different types of contact cement are compatible once dried which might be a good trick to know if gluing together dissimilar plastics.

-l2t
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Old Jul 07, 2011, 06:12 PM
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Canada, BC, Williams Lake
Joined Jan 2010
4,170 Posts
Great now i have to go down stairs and start playing with the 30 odd different glues i have down there , not to mention the different materials
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