Material Drying
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PPS glass fiber grade drying difference
Sorun Belirtisi
Pure PPS and glass fiber grades dried under the same conditions, glass fiber parts still show surface defects
Neden Analizi
Glass fiber and mineral filled grades carry surface moisture more easily due to fiber interfaces and dust, Solvay recommends 135-163℃×2-3 hours; pure resin can be appropriately relaxed but glass fiber grades must be fully dried
Çözüm
①Glass fiber/mineral grades 135-163℃×2-3h; ②pure resin according to conventional 140℃×3h; ③switch drying procedures synchronously when changing grades
Temel Çıkarım
PPS drying procedures are graded by grade; the drying requirements of glass fiber filled grades are stricter than pure resin; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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