AP-201 PFA 大金美国 总代理 AP-201 PFA 大金美国 总代理 AP-201 PFA 大金美国 总代理 AP-201 PFA 大金美国 总代理 AP-201 PFA 大金美国 总代理 AP-201 PFA 大金美国 总代理
优点:耐热耐寒防腐防酸碱化学稳定减磨耐磨无毒害机械性好低摩擦系数绝缘性自润滑性耐折性耐开裂性压缩强度好
AP-201 PFA 大金美国 总代理
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PFA AP-201 大金美国
用途: 薄壁制品
特性备注:低摩擦系数、高温强度、共聚物、良好的成型性良好的电气性能、流动性高、耐气候影响性能良好、清晰度高、阻燃性能
重要参数: 熔体流动速率:20 g/10min 密度:2.14 g/cm3 吸水率:0.01 % 氧指数:95 % 拉伸强度:24.5 MPa 断裂伸长率:350 % 弯曲模量:580 MPa 硬度:60
生产厂商:大金美国公司
介绍:
PFA流动性差,极易分解,分解时产生腐蚀气体。宜严格控制成型温度不要超过475度,模具应加热至度,浇注系统对料流阻力应小。
PFA是半透明粒料,注塑、挤出成型。成型温度度,475度以上容易引起变色或发生气泡。并注意脱模会较困难。
详解:
clasping his hands. "Oh, attend to it, Valentine, I entreat you."
"But no," said Valentine, -- "no, I tell you it is all past, and it was nothing. Now, let me tell you some news; Eugenie is to be married in a week, and in three days there is to be a grand feast, a betrothal festival. We are all invited, my father, Madame de Villefort, and I -- at least, I understood it so."
"When will it be our turn to think of these things Oh, Valentine, you who have so much influence over your grandpapa, try to make him answer -- Soon."
"And do you," said Valentine, "depend on me to stimulate the tardiness and arouse the memory of grandpapa"
"Yes," cried Morrel, "make haste. So long as you are not mine, Valentine, I shall always think I may lose you."