Diolen epoxy lamination is first to fail in peel test


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The Mould Destroyer
The Mould Destroyer
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Hi,

I've laminate a sheet of the Diolen 200g black with 72h epoxy (1h work, bought from a local dealer)
the surface was a peel ply surface (the red line one you offer)


I have a specific project with a hard requirement that i need to glue the Diolen to birch baltic plywood.
I've created a test with multiple glues to try and set them up 
But never actually got to test the glues themselves because the surface of the laminated Diolen was the first one to fail, detaching from the wood leaving the peel ply surface on the wood and came out bare bone.

Now one reason can be the epoxy itself, which i think is less likely
The lamination process itself could be the problem? just a fabric on the table with some weight on it (flat object)

Can it be that Diolen does not bond to the epoxy very well?

* I've done a video of the process, posting it is a lot of work for me but if its crucial to figuring it out i will post it per request.

Will appreciate your help, i'm working on it for a long time and its currently a bust, i'm discouraged
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The Mould Destroyer
The Mould Destroyer
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Hanaldo - 5/25/2021 11:28:29 PM
He means rather than bonding to the peel ply surface on the laminate, sand the laminate with 80 or 120 grit paper quite harshly until just before you hit the Diolen. 

Thanks!
I'ts a 2x 4 meters strip so its not practical for the current parts im building 

I switched to Kwik Kick and peel test came out great with the wood failing at a much higher peel force, with no heat, and a few hours set time to flip projects faster!


Now I have to figure out the best glue / adhesive / secondary bonding agent
There are so many options that I am so lost, and someone here mantined MMA and other stuff which threw me off even further

Edited 4 Years Ago by The Mould Destroyer
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