Material Drying
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PBT Injection-Molded Parts Absorbing Environmental Moisture During Storage
Fenómeno del problema
The product absorbs moisture from the ambient air when stored under unsealed conditions.
Análisis de la causa
Although PBT has low hygroscopicity, it still has a certain water absorption rate (0.08%), and moisture accumulates during long-term storage.
Solución
Seal-pack the product; store in a dry environment <40%RH; use moisture-proof packaging materials.
Conclusión clave
PBT storage moisture management cannot be ignored.
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