塑料收缩率一览表.doc

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1、常用塑胶模具收缩率一览表编制单位：技质科编制：唐成保序号缩写代码树脂全称玻璃纤维含量密度(g/cm)收缩率%1ABSAcrylonitriteButadieneStyrene/1.050.5%2ABS+10%GFAcrylonitriteButadieneStyrene+10%GlassFiber10%GF1.160.4%3ABS+20%GFAcrylonitriteButadieneStyrene+20%GlassFiber20%GF1.240.3%4ABS+30%GFAcrylonitriteButadieneStyren

2、e+20%GlassFiber30%GF1.310.3%5PCPolycarbonate/1.200.6%6PC+10%GFPolycarbonate+10%GlassFiber10%GF1.260.5%PC+20%GFPolycarbonate+20%GlassFiber20%GF1.270.4%PC+30%GFPolycarbonate+30%GlassFiber30%GF1.300.3%PC+ABSPolycarbonate+AcrylonitriteButadieneStyrene/1.150.5%ASAcryloni

3、triteStyrene/1.070.6%PMMAPolymethylMethacrylate(Acrylic)/1.180.4%POMPolyacetel/1.422%PA66Polyamide-66/1.161.3%PA66+10%GFPolyamide-66+10%GlassFiber10%GF1.40.6%PA66+20%GFPolyamide-66+20%GlassFiber20%GF1.410.5%PA66+30%GFPolyamide-66+30%GlassFiber30%GF1.520.45%PA6Polyam

4、ide-6/1.150.8%PBTPoly(ButyleneTerephthalate)/1.381.5%PBT+10%GFPoly(ButyleneTerephthalate)+10%GlassFiber10%GF1.600.7%PBT+20%GFPoly(ButyleneTerephthalate)+20%GlassFiber20%GF1.600.6%PBT+30%GFPoly(ButyleneTerephthalate)+30%GlassFiber30%GF1.660.5%PPPolypropylene/0.911.5%

5、耐高温PPHighHeatPolypropylene/1.121.0%PP防火FlameRetardedPolypropylene/0.951.4%软氯PVCPolyvinylChloridePlasticized/1.351.5%低密LDPELowDensityPolyethylene/0.932%高密HDPEHighDensityPolyethylene/0.983%弹性体TPEPolyesterThermoplasticElastomer/0.921.5%PPSPolyphenyleneSulfide/1.670.25%

6、LCPLiquidCrystalPolymer/1.700.02%TPUThermplasticPolyurethane/1.241.2%备注:1）收缩率会受加工条件及模具设计的影响而改变；2）取向不同，在垂直于流动方向的收缩可能较小（流动方向收缩为横向的1.6倍；对于结晶性树脂的倍数更大）；3）确定的模具及产品设计，最先制作样模，以得到更准确的收缩值；4）尽量参考树脂的产品说明书。