... ,PP,ABS,AS,PA,EVA,PET +pigment and auxiliary120-270Intensified glass fibres and carbon fibresPP,PBT,ABS,AS,PA,PC,POM ... = 190mm/section. 2 The first cylinder is used for feeding materials barrel, 9th cylinder .for .vacuum barrel, the 10th cylinder for extrusion barrel and the other ... screw extruder SHJ-50D co-rotating parallel twin screw extruder for masterbatches