三星道达尔的PP产品，用在各种电器配件，文具类，食品包装用薄膜与我们日常生活息息相关。
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：
After this some years went by. Hrut left Iceland and spent some time at the Court of Norway, and then he came back and married, and had much trouble with his wife, Unna. But after they had parted and she had gone back to her father, Hrut was a free man again, and he went to visit his brother Hauskuld, whose daughter Hallgerda had now become a woman. Tall and stately she was, and fair, but sly and greedy of gain, as in the days of her childhood, and more she loved Thiostolf, whose wife had brought her up, than Hauskuld her father, or Hrut her uncle.
