Production & Quality
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LDPE Melt Temperature 160-240℃
Sorun Belirtisi
When melt temperature is too low, filling is insufficient; when too high, the film shows wet marks and the product discolors.
Neden Analizi
LDPE's long-branched structure gives the melt excellent flowability, with a wide processing window of 160-240℃; although too high temperature gives better flowability, cooling slows down, the film shows wet marks, and the cycle is prolonged.
Çözüm
①'2079851475616104452 melt temperature 160-240℃, adjusted by product; ②Film extrusion optimized by grade; ③When wet marks appear, lower die temperature in 3-5℃ steps; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
Temel Çıkarım
LDPE's wide temperature window reflects its process friendliness; film wet marks are the characteristic signal of excessive temperature; After confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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