Advantages of double alloy barrel screw
Advantages of double alloy barrel screw The double alloy barrel screw is a layer of 1-2mm wear-resistant, corrosion-resistant, high-temperature resistant alloy spray-welded on the inner wall of the barrel. Its effective service life is greatly improved compared with ordinary nitride barrels. It is a high formula for processing PVC calcium powder. , Increase the wear life, the superiority of bim