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Old 08-21-2012, 10:54 PM
tech69 tech69 is offline
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you need a cross bonding adhesive that can adhere to both the materials in question. Sort of like a panel adhesive for differing substrates. Since both materials have differing expansion rates you will need to use all flexible materials. Filler will have to be a flexible poly glaze, flex additive to primer or flexible 2k, and most paints nowadays are flexible enough on their own. No need for flex agent in base cause it's too thin, but there's a lot of geeks out there who will add the flex additive to primer, base, and clear, but in my opinion most clears have a tad of flex already and base/sealer doesn't need it. So basically using it for primer and a flexible filler is good enough. I would use the cross bonder (Lords) under the mating surfaces around the rivets and flexible filler to smooth out the transition.
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