常用塑料收缩率

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1、中文名称英文密度玻璃纤维含量平均比热加工温度模具温度收缩率[g/cm][%][KJ/(kgxK)][℃][℃][%]聚苯乙烯PS1.051.3180-280100.3-0.6聚苯乙烯，中.高冲击性HI-PS1.051.21170-2605-750.5-0.6聚苯乙烯-丙烯晴SAN1.081.3180-27050-800.5-0.7丙烯晴-丁二烯-苯乙烯ABS1.061.4210-27550-900.4-0.7苯烯晴-苯乙烯-丙烯酸ASA1.071.3230-26040-900.4-0.6低密度聚乙烯LDPE0.9542.0-2.1160-26050-701.5-5.0高密度聚乙烯HDPE0

2、.922.3-2.5260-30030-701.5-3.0聚丙烯PP0.9150.84-2.5250-27050-751.0-2.5聚本烯-GRPPGR1.15301.1-1.35260-28050-800.5-1.2聚异丁烯IB150-200聚甲基戊烯PMP0.83280-310701.5-3.0软质聚氯乙烯PVC-soft1.380.85170-20015-50>0.5硬质聚氯乙烯PVC-rigid1.380.83-0.92180-21030-500.5聚氟亚乙烯PVDF1.2250-27090-1003.0-6.0聚四氟乙烯PTFE2.12-2.170.12320-360200-23

3、03.5-6.0氟化乙烯基丙烯共聚物FEP中文名称英文密度玻璃纤维含量平均比热加工温度模具温度收缩率聚甲基丙烯酸甲脂（丙烯）PMMA1.181.46210-24050-700.1-0.8聚氧甲烯（乙缩烯）POM1.421.47-1.5200-210>901.9-2.3聚苯撑氧或聚氧化亚苯PPO1.061.45250-30080-1000.5-0.7聚苯撑氧-GRPPO-GR1.27301.3280-30080-100<0.7醋酸纤维素CA1.27-1.31.3-1.7180-32050-800.5醋酸-丁酸纤维素CAB1.17-1.221.3-1.7180-23050-800.5丙酸纤维表

4、素CP1.19-1.231.7180-23050-800.5聚碳酸脂PC1.21.3280-32080-1000.8聚碳酸脂-GRPC-GR1.4210-321.1300-330100-1200.15-0.55聚乙烯对苯二甲酸乙酯PET1.37260-2901401.2-2.0聚乙烯对苯二甲酸乙酯-GRPET-GR1.5-1.5720-30260-2901401.2-2.0聚丁烯对苯二酸PBT1.3240-26060-801.5-2.5聚丁烯对苯二酸-GRPBT-GR1.52-1.5730-50250-27060-800.3-1.2尼龙6（聚酸胺6）PA61.141.8240-26070-

5、1200.5-2.2尼龙6-GRPA6-GR1.36-1.6530-501.26-1.7270-29070-1200.3-1尼龙66原料PA661.151.7260-29070-1200.5-2.5尼龙6/6-GRPA66-GR1.20-1.6530-501.4280-31070-1200.5-1.5中文名称英文密度玻璃纤维含量平均比热加工温度模具温度收缩率尼龙11塑胶原料PA111.03-1.052.4210-25040-800.5-1.5尼龙12塑料PA121.01-1.041.2210-25040-800.5-1.5聚醚矾PSO1.37310-390100-1600.7聚硫化亚苯PP

6、S1.6440370>1500.2热塑性聚亚胺脂PUR1.21.85195-23020-400.9酚甲醛树脂GPPF1.41.360-80170-1901.2三聚氰胺甲醛GPMF1.51.370-80150-1651.2-2三聚氰胺酚甲醛MPF1.61.160-80160-1800.8-1.8聚脂树脂UP2.0-2.10.940-60150-1700.5-0.8环氧树脂EP1.930-801.7-1.9ca.70160-1700.2软PE缩水——2.5%a注意与流动方向及横向的不同收缩率，制程影响。