... ,1083 plastic molds we had made in all kinds of tool structures, such as two plates mold ,three plates mold, ... structure, gas assisted molding, screw core molding,over mold,multi-colours mold.etcNormal mould steel Steel Mould InformationAISIDINHardness1045/1040/10501 ... .208348-52HRC420H1.231632-34HRCP41.234195-100HRCD21.237956-60HRCBeCu40-42HRC high quality Rubber Processing Equipment Mouldings