Bimetal barrel is a kind of barrels which have be casted a layer of 2-3 mm corrosion resistant alloy on the inner wall. Compared with ordinary nitrogen barrel, its effective use is greatly increased. For processing glass fiber engineering plastic, fluoroplastics, polysulfone, PPO special type plastic, etc., its advantages is especially apparent.

Huaxing screw barrel all adopt ASSBA or Stellite company’s alloy powder to spray on screw gaps. We use high temperature centrifugal casting with different matching method and welding way according to different screw