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Old 06-22-2018, 05:57 PM
Rick Mullin Rick Mullin is offline
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Join Date: Mar 2012
Location: Malvern,PA
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When I worked at an aluminum structural repair facility, we used 3M DP490. It was required by Audi, Lamborghini and Ferrari. I believe there are variations of that number which have to do only with dry time. DP490 cured over a 6 hour period. I usually tried to do all of my bonding at the end of he day so it had the entire evening to cure. Along with the self piercing rivets, it made for a very strong and rigid body structure.

I have never compared the specs with other bonders but Audi did significant testing before they mandated DP490.

Are you riveting as well as bonding?
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