Conical Twin Screw and Barrel CONICAL TWIN SCREW AND BARREL: Types of double screws Gradual, levity, commingle, taper, supper taper, granulating etc. Apply to plastic Plastic of general, PP, PE, ABS, AS, PS etc. Specification(d/D) Length(mm) ability(kg/h) speed(rpm) Φ 35/Φ 77 810 10-70 5-50 Φ 45/Φ 90 990 50-80 5-45 Φ 50/Φ 105 1070 100-150 4-45 Φ 51/Φ 105 1220 100-150 4-45 Φ 55/Φ 110 1220 120-180 ...