Since 1976 we have lead the plastics industry to a new level of productivity through the use of our innovative extrusion screw designs. Our screws consistently out perform our competitors' yeilding better rates and superior quality product.

How can Barr help you to increase productivity in your plastic extrusion, injection molding, blow molding, or blown film processes? The answer lies in our landmark products such as the VBET (Variable Barrier Energy Transfer) screw. (learn more. . .)