Processing Machinery
4 görüntüleme
Black Speck Impurities in PC Products
Sorun Belirtisi
Black specks or carbonized matter appear in transparent PC products.
Neden Analizi
The material stays at high temperature in the barrel for too long and carbonizes, or carbon deposits on the barrel wall fall off; impurities in the raw material.
Çözüm
Reduce the processing temperature and shorten the residence time; purge regularly; use clean raw materials and filtration.
Temel Çıkarım
PC black specks are an indicator light of degradation or contamination.
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