成型特性
1.结晶料,吸湿性小,易发生融体破裂,长期与热金属接触易分解.
2.流动性好,但收缩范围及收缩值大,易发生缩孔.凹痕,变形.
3.冷却速度快,浇注系统及冷却系统应缓慢散热,并注意控制成型温度.料温低温高压时容易取向,模具温度低于50度时,塑件不光滑,易产生熔接不良,流痕,90度以上易发生翘曲变形
4.塑料壁厚须均匀,避免缺胶,尖角,以防应力集中.
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详细说明：I was not a bit surprised at having done it. He had been rude to me, and killing was what he had deserved. I should do the same to any others who offended me and it would serve them right too.
Of course, I didn’t want anyone to know I had done it, for I should then be punished and the form of punishment would undoubtedly be that of hanging. It made me shudder a little to think of being taken by the police and being put in a cell and all that sort of thing; but I was quite certain I should never be found out, and I thought with pleasurable anticipation how intensely interesting the newspapers would now be.
