线收缩
And its tear strength and dry shrinkage rate were both in line with requirements of synthetic leather fabric. Therefore, the collagen fiber spun-lace fabric has good prospects.
撕破强力和干热收缩率均符合合成革基布要求,具有良好的应用前景。
The temperature upper limit was determined with 1st stage temperature shrinkage curve of the film, which can ensure the heat-sealing strength and reduce the heat-sealing time, reduce the damage rate, and ensure the beauty of the sealing line.
确定了对于共挤薄膜的热封温度应取温度收缩曲线的一阶段作为上限,并在保证封口强度的基础上,应减少热封时间,可以有效地减少破损率,保证封合处的表面美观。
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