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
我司供应以下产品:
PFA ACX-31 大金美国
用途: 其它
特性备注:低粘度、高ESCR(抗应力裂纹)、抗燃、良好的电气性能、良好的流动性、耐化学性良好、耐气候影响性能良好
重要参数: 熔体流动速率:1 g/10min 密度:2.12 g/cm3 拉伸强度:19.6 MPa 断裂伸长率:250 % 硬度:60
生产厂商:大金美国公司
介绍:
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。
PFA因熔融的材料对金属有腐蚀作用,长期生产,模具需要电镀铬处理。
详解:
which substantiated the charges still more. The Count of Morcerf was no favorite with his colleagues. Like all upstarts, he had had recourse to a great deal of haughtiness to maintain his position. The true nobility laughed at him, the talented repelled him, and the honorable instinctively despised him. He was, in fact, in the unhappy position of the victim marked for sacrifice; the finger of God once pointed at him, every one was prepared to raise the hue and cry.
The Count of Morcerf alone was ignorant of the news. He did not take in the paper containing the defamatory article, and had passed the morning in writing letters and in trying a horse. He arrived at his usual hour, with a proud look and insolent demeanor;