Molds & Tooling
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Corrosion Problem During Processing of PBT Flame-Retardant Material
Fenómeno del problema
Halogen-containing flame-retardant PBT corrodes molds and equipment during processing.
Análisis de la causa
The halogen flame retardant partially decomposes at high temperature to produce acidic gases (HBr, etc.), which are corrosive to mold steel.
Solución
Use corrosion-resistant mold steel or stainless steel molds; clean the mold in time after processing; use a halogen-free flame retardant system.
Conclusión clave
PBT flame-retardant material corrosion requires equipment and mold protection.
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