相關標簽:美國Delta PC、美國THEMIX Plastics PC、美國Adell PC塑料原料、低光密度 PC、高強度 PC、高剛性 PC塑料原料
PC注塑工藝參數:
1.PC具有高粘度,流動性差,速度盡可能快以及壓力適中的特點。但是,過大的壓力會產生帶有內應力的塑料產品,這種內應力很容易變形和變脆。還需要根據產品結構調整注塑工藝。參考參數:機筒溫度:250?320℃注射壓力:50?80MPA2.一般噴嘴溫度為270?290,后段降低5?10度。模具溫度保證為60?95度。PC材料在約330°C時開始氧化。當高溫熔融橡膠中的水含量超過0.02%時,很容易使產品起霜并影響外觀和脆性損壞,從而影響沖擊強度。因此,必須將原材料徹底徹底干燥。,一般在120度下干燥3-4小時或更長時間。3。應力處理方法:首先在100-105°C的烤箱中烘烤10分鐘,然后在120-125°C的烤箱中烘烤30分鐘,然后自然冷卻至常溫。
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