Mixing of 2/3 different layers of compound flowing on different screw flight paths, facilitates high shear uniform mixing that gives you consistency in the homogeneity of the mixed rubber compounds. ViamTek offers Cold Feed Rubber Extruder in Plain Barrel & in Vented as well with multiple sizes 45mm, 50mm, 55mm, 65mm, 70mm, 75mm, 90mm, 120mm