Thread: 3M Super 77
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Old Jun 20, 2002, 09:48 PM
Dan H. is offline
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Read the "ingredients" (contents); if the first one is "cyclohexane", you have the foam-safe formula, and if "acetone", that's the foam-nasty. But if you'd cavitated (melted) your foam you probably would have realized it already. Notice any strange flat spots or dents in the wing while you were taping? It's not a strength/adhesion issue, so I wouldn't worry about it.

I believe the formula was changed for all US markets just to meet the requirements of a California clean-air law, so I doubt 3M would keep the old formula just for N. American exports, though they probably could have.
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Last edited by Dan H.; Jun 20, 2002 at 09:51 PM.
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