Hi all, I am having issues when reflowing a catheter using a 40D resin pebax
segment. It is presenting a fish scale effect defect, these are little flashes
in a regular pattern. Materials are PTFE internal layer, PET braid middle layer
and 40D pebax on the outer layer. Material is being reflowed using FEP as
heatshrink and a single chamber single temperature reflow oven.