Screw Barrel & Barrel Cylinder for Plastic Machinery – Brazil Market

Screw barrel is the key wearing part for all kinds of plastic processing machines. We supply high-quality screw and barrel for plastic extrusion, injection molding, plastic recycling and pelletizing lines in Brazil. Our products include single screw barrel, twin screw barrel, parallel twin screw barrel, conical twin screw barrel and bimetallic screw barrel with high wear resistance and long service life.

Main Machine Types We Serve

Our screw barrel is widely used for many plastic machines in Brazil:

• Single screw extruder (plastic pipe, profile, sheet, film, pelletizing)

• Twin screw extruder (compounding, masterbatch, plastic recycling, granulation)

• Conical twin screw extruder (PVC pipe, PVC profile, WPC wood plastic)

• Parallel twin screw extruder (high output plastic modification & pellet making)

• Injection molding machine (plastic parts, injection products, household items)

• Plastic recycling machine (PE/PP film recycling, PET bottle flake recycling)

• Blown film extrusion line (plastic film, packaging film)

• Plastic pipe extrusion line (PVC pipe, PE pipe, PP-R pipe)

• Plastic profile extrusion line (window profile, decorative profile)

• Plastic sheet & board extrusion (PP sheet, PE sheet, PS sheet)

Applicable Plastic Materials

Our screw barrel can process all common plastic materials used in Brazil:

• PVC (rigid & soft PVC, pipe, profile, cable)

• PE: HDPE, LDPE, LLDPE (pipe, film, bottle, sheet)

• PP: homopolymer, copolymer (pipe, sheet, injection parts)

• PET: bottle flakes, sheet, fiber, strapping

• ABS: injection parts, auto parts, home appliances

• PS & HIPS: disposable products, sheet, packaging

• PC, PMMA, PA, EVA and other engineering plastics

• Plastic recycled material: flakes, pellets, regrind

• Masterbatch & filler compound: calcium carbonate, talc, color masterbatch

Why Choose Our Screw Barrel in Brazil

• High precision and stable output

• Bimetallic alloy for better wear & corrosion resistance

• Long service life, reduce downtime

• Custom size for all brands of plastic machines

• Competitive price & fast delivery to Brazil

• Professional manufacturer with export experience

We are a reliable supplier of screw barrel for plastic machinery in Brazil market.

Technical Parameters

Product Name	Nitrided Screw
Material	N1
Suitable Machine	Injection / Extrusion / Blowing
Available Size	Φ14 - 500mm, L < 8,000mm
Process Method	Gas Nitriding
Surface Hardness	950-1000HV
Nitriding period	120 hours nitriding process
Effective Nitriding Depth	0.3 - 0.5mm
Max. Nitriding Depth	0.6 - 0.8mm
Surface Roughness	< Ra 0.8
Screw Straightness	< 0.02mm/m