主要采用铸钢结构，柱塞采用冷硬铸铁表面为HR-70，上升速度10秒，下降速度2秒，产品具有温差小，保压性能可靠，硫化过程中带有自动补压，开模速度快等优点。适用于EVA发泡类拖鞋、鞋用材料等橡塑制品。

The structure of the main machine is made from cast steel.The plunger is made from chilled cast iron with surface hardness,HR-70.The  rising speed is 10 seconds.The product has the superority of less temperature difference,reliable insulation,and automaic pressure compensation during vulcanization and fast foamed slippers,and materials for shoes and other rubber and plastic products.