Injection Molding
12 görüntüleme
Black Stripes in PBT Reinforced Material '2079851475616104452
Sorun Belirtisi
Black or brown stripes appear in PBT reinforced products.
Neden Analizi
The glass fiber wears in the screw, producing iron filings, or the metal fine powder produced by the wear of the barrel and screw degrades to form black stripes; the material degrades.
Çözüm
Use a bimetallic wear-resistant screw and barrel; check the wear of the screw and barrel; reduce the processing temperature.
Temel Çıkarım
PBT reinforced material black stripes are mostly related to equipment wear and degradation.
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