Material Drying
5 görüntüleme
PC moisture regain after drying
Sorun Belirtisi
Qualified dried pellets show silver streaks again after being placed in the hopper for several hours
Neden Analizi
PC pellets exposed to high-humidity environments after drying will quickly regain moisture, and can absorb excessive moisture within a few hours at room temperature; ordinary hoppers have no heat-preservation drying function, and pellets continuously absorb moisture during their stay
Çözüm
①Use a heat-preservation drying hopper to maintain 80-100℃; ②Pellets stay in the hopper for no more than 2 hours; ③Small-batch feeding, drying matched with production rhythm
Temel Çıkarım
Qualified drying is only the starting point; preventing moisture regain is as important as drying; heat-preservation hopper plus time-limited use is the standard configuration for preventing moisture regain；After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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