Material Drying
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Consequences of Incomplete PSU Drying
Fenómeno do problema
PSU products show gloss variation between batches, uncontrollable color, inconsistent melt flow rate; traced to fluctuations in drying execution.
Análise das causas
Incomplete drying reduces the molecular weight of polyphenylsulfone and degrades additives; mechanical properties decline; '2079851475616104453 becomes difficult to control; inconsistent MFR causes gloss and color fluctuations.
Solução
①Strictly implement drying specifications and record them; ②Batch testing of moisture content; ③Maintain drying equipment to ensure performance; ④Trace drying records for abnormal batches.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusão principal
PSU drying quality directly maps to product consistency; gloss and color fluctuations are the appearance of drying problems; record traceability is the foundation of management.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence
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