成型特
1、无定形料,流动性中等,吸湿大,必须充分干燥,表面要求光泽的塑件须长时间预热干燥80-90度,3小时。
2、宜取高料温,高模温,但料温过高易分解(分解温度为>270度)。对精度较高的塑件,模温宜取50-60度,对高光泽.耐热塑件,模温宜取60-80度。
3、如需解决夹水纹,需提高材料的流动性,采取高料温、高模温,或者改变入水位等方法。
4、如成形耐热级或阻燃级材料,生产3-7天后模具表面会残存塑料分解物,导致模具表面发亮,需对模具及时进行清理,同时模具表面需增加排气位置。
5、强度较高,耐冲击能力强。
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详细说明:Here is, so far, a melancholy picture of backward progress, and a family posting towards extinction. But the law (however administered, and I am bound to aver that, in Scotland, ‘it couldna weel be waur’) acts as a kind of dredge, and with dispassionate impartiality brings up into the light of day, and shows us for a moment, in the jury-box or on the gallows, the creeping things of the past. By these broken glimpses we are able to trace the existence of many other and more inglorious Stevensons, picking a private way through the brawl that makes Scots history. They were members of Parliament for Peebles, Stirling, Pittenweem, Kilrenny, and Inverurie. We find them