By seense - 3/27/2018 12:07:58 PM
I've had my first experiences with a PU resin (Xencast P6). I get decent castings but after demolding the casting is sweating an oily substance. Is this always the case with PU resins? I switched from epoxy to PU to increase production, but now I have to leave them sweating a few days and clean the parts.
I am casting a 15mm thick part in a 2-part mould CNC'ed out of Renshape 5173 pu toolingboard. The release agent is Easy Lease. I shake Part A thoroughly before mixing.
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By Warren (Staff) - 4/3/2018 8:56:33 AM
cold temperatures won't help for sure. Cold temperatures can cause all sorts of issues with resins as well as the more obvious increased cure times.
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