Material Drying
3 Aufrufe
Internal pores of POM injection molded products
Problembeschreibung
Internal voids found in POM products.
Ursachenanalyse
POM is not sensitive to hydrolysis, but if it contains trace moisture or degradation gas, pores will form in the product; insufficient holding pressure is also a cause.
Lösung
Drying treatment 80-90°C/2-4h; increase holding pressure; optimize venting.
Wichtigste Erkenntnis
POM pores are mainly related to gas generation and holding pressure.
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