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Screw Barrel: material 38CrMoAlA, and quenching and nitriding treatment (the inner surface nitriding polishing HV720), shield-shaped two common screw kneading nitriding depth is 0.5-0.7mm, the surface roughness Ra0.4, Linearity of the screw: 0.015 mm, slotted barrel, enhanced cooling water jacket
Screw diameter:20mm
Screw speed:0-20 rev / min
Applicable materials: PLA, ABS, PVC, PE, PP, PA, PC
Please note, the 20 extruders are only suitable for pellets diameter under 4mm
The nozzle or DIE Diameter: 1.75mm/3mm
Speed Control: Regulatable
Highest Temperature:260℃

Screw ratio: An aspect ratio of 10:1, screw effective length 200mm
main motor power:120w AC motor
Main motor speed: Speed controller
Barrel heating: Stainless steel housing heater
heating power: An area of 800w
Productivity: 0.1-0.5kg/h
Gearbox: Planetary reducer (ratio based on customer requirements)

SJ20 new design with centrifugal fan for the material input area cooling purpose, this helps to avoid mishandling scald or splash by using the water cooling jack.
Delivery Date: 5-12 working days after payment

Desktop single screw extruder SJ15 or SJ20

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