investment casting Mold material

Moulding materials not only should guarantee the performance of easily obtained high size precision and surface finish, good strength, light weight of the casting, it shall be the type of shell manufacturing and create conditions for good castings. General pattern material (wax material, natural resin and plastic (resin). Waxes for all major material preparation material called wax pattern material base model, their low melting point, for 60 ~ 70 ℃; Who mainly use natural resin dispensing mode called resin base model material, high melting point, about 70 ~ 120 ℃.