Material Drying
5 görüntüleme
Process fluctuation caused by polystyrene raw material batch differences
Sorun Belirtisi
After changing the raw material batch, product quality fluctuates and process parameters need adjustment.
Neden Analizi
(1) Different batches of raw material differ in molecular weight or molecular weight distribution
(2) Raw material additive content or type differs
(3) Raw material moisture content differs
(4) Raw material particle size and shape differ
(5) Raw material storage conditions and time differ
Çözüm
(1) Conduct small-batch trial production first when changing batches
(2) Test the melt flow rate of the new batch of raw material
(3) Fine-tune process parameters according to raw material characteristics
(4) Keep raw material storage conditions consistent, first-in first-out
(5) Establish raw material inspection standards
Temel Çıkarım
Raw material batch differences need to be addressed through incoming inspection and process adjustment.
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