SABIC Vestolen P 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：Not a soul’s come along since it got dark. He must have turned off over the grass somewhere. Why didn’t you pinch him, you goat At any rate, it would have been a fine excuse for getting out of this. But come back with me — we’d better tell the sergeant now.”
They moved off, talking quietly, and in a couple of minutes or so I glided softly after them, crouching low down. But not a sign of them could I see, and not a sound could I hear anywhere, both policemen seemed to have completely vanished.
I went forward about a hundred yards, edging all the time a little farther away from the path.
