High Performance Plasticating Barrels
Posi-Melt™ Extrusion Screws
Posi-Melt™ MB Barrier Screws
Posi-Melt™ Multipurpose Screws
Posi-Melt™ XLA Mixing Screws
Inject-EX™ Plasticating System

Single Bimetallic Screw Barrel from China Manufacturers

MD Plastics Inc specializes in single bimetallic screw barrels engineered for injection molding, extrusion, and blow molding. Our patented Posi-Melt™ technology and high-performance plasticating barrels deliver superior melt quality, extended equipment life, and reduced scrap. Manufactured in the USA with precision-honed tolerances and hard abrasion-resistant liners for maximum durability.

Our Range of Products

High Performance Plasticating Barrels

High Performance Plasticating Barrels

  • Bimetallic Construction
  • 14-250mm Size Range
  • Made in USA
Posi-Melt™ Extrusion Screws

Posi-Melt™ Extrusion Screws

  • Patented Flight Geometry
  • 60% More Barrel Exposure
  • Fast Material Changeovers
Posi-Melt™ MB Barrier Screws

Posi-Melt™ MB Barrier Screws

  • Single-Channel Barrier Design
  • Extensional Mixing
  • Lower Cost vs Multi-Channel
Posi-Melt™ Multipurpose Screws

Posi-Melt™ Multipurpose Screws

  • All Polymer Types Compatible
  • Drop-In OEM Replacement
  • Reduced Cycle Times
Posi-Melt™ XLA Mixing Screws

Posi-Melt™ XLA Mixing Screws

  • Advanced Dispersive Mixing
  • Low Pressure Drop Design
  • Minimal Shear Degradation
Inject-EX™ Plasticating System

Inject-EX™ Plasticating System

  • Real-Time Melt Monitoring
  • Ultra Precise Shot Control
  • Reduced Carbon Footprint

Frequently Asked Questions

What is a bimetallic screw barrel?

A bimetallic barrel has two bonded metals creating a hard wear-resistant liner on a high-strength steel backing for maximum durability and performance.

What size range is available for bimetallic barrels?

How does Posi-Melt™ technology improve performance?

Can these screws and barrels retrofit existing equipment?

What materials are compatible with these systems?

How long do bimetallic barrels last?

What certifications does MD Plastics hold?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Automotive Manufacturing

Automotive Manufacturing

Precision injection molded components for automotive interiors, exteriors, and under-hood applications.

Medical Device Manufacturing

Medical Device Manufacturing

Sterile plastic components for medical devices requiring precise tolerances and material consistency.

Consumer Electronics

Consumer Electronics

High-quality plastic housing and internal components for smartphones, tablets, and electronic devices.

Industrial Processing

Industrial Processing

Durable extrusion and molding solutions for pipes, profiles, sheets, and compounded materials.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Injection Molders and Extrusion Processors Choose MD Plastics Inc

Patented Innovation

Eight patents including Posi-Melt™ technology deliver measurable improvements in melt quality, throughput, and energy efficiency that standard screws cannot match.

Expert Custom Design

Founder Mike Durina personally designs barrels and screws using proprietary software to calculate optimal heat transfer, shear rates, and pressure profiles for your application.

Proven Performance

Trusted by Foxconn, TE Connectivity, Boston Scientific, and leading manufacturers worldwide for over 25 years to reduce scrap, extend equipment life, and increase profitability.

Get Expert Guidance on Bimetallic Screw Barrels for Your Application

Request a quote and our technical team will review your requirements and recommend the optimal barrel and screw configuration.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 3304825100 You can also send us a quick email at info@mdplastics.com