... of double color sole casting with TPU,PU PU / TPU shoes pouring Machine Technical Parameters PU casting unitMixed head diameter40mmAdjustable rotate speed ... etc,which meets special requirement of top-grad sport-shoes,tour shoes. It can cast polyurethane sole continuously because of ... two different materials:TPU and PU,and it is application for triple-proof shoes(electricity-proof,ship-proof,frostbite- ...