Injection Molding
12 görüntüleme
Fiber exposure in PET reinforced material
Sorun Belirtisi
Glass fiber is exposed on the surface of glass fiber reinforced PET injection molded products, with a rough hand feel and uneven color.
Neden Analizi
Mold temperature is on the low side; the melt surface layer cools quickly and the glass fiber cannot be fully covered; injection speed is on the slow side; glass fiber content is on the high side.
Çözüm
Increase mold temperature to 140-160°C; increase injection speed (fast filling); reduce glass fiber content or use chopped glass fiber.
Temel Çıkarım
The surface quality of PET reinforced products depends on high-temperature molds and fast filling.
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