Material Analysis
5 görüntüleme
Quality Fluctuation Caused by Regrind Use of acrylonitrile-butadiene-styrene copolymer
Sorun Belirtisi
After using the regrind, the product quality fluctuates, with color changes, strength decline, or black specks.
Neden Analizi
（1）The regrind is repeatedly processed many times, and the molecular weight gradually decreases
（2）Different materials or impurities are mixed into the regrind
（3）The regrind pelletizing temperature is too high, and the material is partially degraded
（4）The regrind particle size is uneven, and the discharge is unstable
（5）The regrind ratio is too high or inconsistent
Çözüm
（1）Control the regrind ratio to no more than 15-20%
（2）Use the regrind no more than two times repeatedly
（3）Store the regrind by classification, and different materials must not be mixed
（4）Control the regrind pelletizing temperature to a lower value within the 220-260°C range
（5）Sieve the regrind after crushing
Temel Çıkarım
Regrind use requires control of the ratio and the number of times, and classified management is the key.
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