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 wasn’t going to be insulted any more, and if anyone attempted to browbeat me, they must take the consequences. I wasn’t going to be caught either. It would always be a secret who had killed this man, and I would gloat over the mystery I had caused. What a tale for the papers tomorrow, and what an interest I should get in reading all they had to say. But I must be careful not to be found out, and must leave no trace behind.
continued to waddle on.
