The rubber tube was expansed after inflated,then closed.The soft core that could be favourable to mandrel stripping was used to rubber special tube.

 
  • 用一純橡膠管充氣后使其膨脹然后將其封閉,用作橡膠異型管生產(chǎn)中使用的軟芯,能夠有利于脫芯。
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