Die-cast optical modules are peeling and blistering
Cause: Blisters are raised imperfections that manifest on the die-cast part's surface when pockets of trapped air or gas expand. Solution: Minimizing turbulence during casting and ensuring thorough mold filling can stave. Peeling defects 1 can scrap an entire batch of high-value parts, causing huge delays. Peeling is caused by poor layer adhesion 2, often from incorrect mold temperatures 3, contaminated release agents.
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