Material Drying
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PCABS drying temperature grading
Problembeschreibung
【Problem Phenomenon】Different data give two drying grades of 80-100℃ and 100-120℃, leaving one at a loss
Ursachenanalyse
The grade difference originates from PC content: PC/ABS general 80-100℃×3-4h is feasible, but when PC hydrolysis risk is high (high PC ratio, high-requirement parts), 100-120℃×3-4h is more secure
Lösung
General parts 80-100℃×3-4h; high PC ratio and high-requirement parts 100-120℃; take the actual moisture content measurement as the final criterion; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
Two PC/ABS drying grades coexist, high PC ratio and high requirements go 100-120℃; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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