The resins are each acrylic based so they weaken and crumble instead of melting. 0.45MPa is a pretty considerable amount of force, and it’s unlikely that you’re going to reach that output when printing on traces. There was someone on the forums yesterday with a max output of 350C on High Temp, and although it does seem to off-gas at those temperatures, it’s likely to maintain a degree of structural integrity.
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