分析了铝钎焊料的加工工艺，说明了聚氨酯橡胶模的性能和优点。
The manufacture process of aluminum foil was analyzed, explained the performance and the merit of the polyurethane rubber punching die.
以聚氨酯橡胶代替通常钢模中的凹模或凸模是比较有效的方法之一。
It's one of best methods to use polyurethane rubber rather than usual cavity or core in steel die.
模型材料是低弹模的聚氨酯橡胶。
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