Material Analysis
12 görüntüleme
Additive Precipitation of PBT
Sorun Belirtisi
After long-term storage of PBT products, white powdery precipitates appear on the surface.
Neden Analizi
Additives (slip agents, antioxidants, etc.) have limited solubility in the matrix and migrate to the surface over time and precipitate (blooming).
Çözüm
Control the amount of additives within the solubility range; use high molecular weight additives to reduce the migration rate.
Temel Çıkarım
PBT precipitates affect appearance and electrical properties.
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