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

Patented Technology

Made in USA certified

Made in USA

Top Professional Bimetallic Screw Barrel Manufacturers

MD Plastics manufactures professional-grade bimetallic screw barrels and plasticating systems for injection molding, extrusion, and blow molding applications. Our patented Posi-Melt™ technology delivers superior melt quality, enhanced mixing, and extended equipment life. From precision-honed barrels to advanced mixing screws, our solutions improve productivity while reducing scrap and downtime across automotive, medical, and industrial manufacturing.

Our Range of Products

High Performance Plasticating Barrels

High Performance Plasticating Barrels

  • Bimetallic bonded construction
  • Precision honed close tolerance
  • Made in USA
Posi-Melt™ MB Barrier Screws

Posi-Melt™ MB Barrier Screws

  • Patented MB barrier geometry
  • 60% increased barrel exposure
  • Fast color changeover capability
Posi-Melt™ XLA Mixing Screws

Posi-Melt™ XLA Mixing Screws

  • Advanced dispersive mixing
  • Low pressure drop design
  • Minimal shear degradation
Posi-Melt™ Multipurpose Screws

Posi-Melt™ Multipurpose Screws

  • Patented un-tangential design
  • Superior melt homogenization
  • Direct OEM screw replacement
Posi-Melt™ Extrusion Screws

Posi-Melt™ Extrusion Screws

  • Custom extrusion geometry
  • Optimized conveying efficiency
  • 14-240mm diameter range
Inject-EX™ Plasticating System

Inject-EX™ Plasticating System

  • Revolutionary stationary screw
  • Temp-Sense™ real-time monitoring
  • Ultra-precise shot control

Frequently Asked Questions

What makes bimetallic screw barrels superior to standard barrels?

Bimetallic construction bonds two different metals, creating a hard wear-resistant liner with high-strength steel backing for maximum durability and extended service life.

How does Posi-Melt™ technology improve melt quality?

What size range of screw barrels does MD Plastics manufacture?

Can your screws retrofit existing injection molding machines?

What materials are compatible with your plasticating systems?

How do I specify the right screw barrel for my application?

What after-sales support does MD Plastics provide?

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

High-performance screw barrels for precision injection molded automotive components requiring consistent quality and dimensional accuracy.

Medical Device Manufacturing

Medical Device Manufacturing

Precision plasticating systems delivering sterile, consistent plastic components for medical devices with stringent regulatory requirements.

Consumer Electronics

Consumer Electronics

Advanced mixing screws ensuring uniform melt quality for plastic housing components in consumer electronics with tight tolerances.

Industrial Processing

Industrial Processing

Durable bimetallic barrels for high-volume extrusion and compounding operations in demanding industrial environments.

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

25+ Years of Innovation

Founded in 1999 by industry veteran Mike Durina, we've delivered cutting-edge plasticating solutions with eight patents and decades of engineering expertise driving profitability for manufacturers worldwide.

Patented Posi-Melt™ Technology

Our proprietary screw designs increase plastic exposure to barrel walls by up to 60%, delivering superior melt quality, faster changeovers, and reduced scrap across all polymer types.

Custom Engineering Support

Work directly with founder Mike Durina and our technical team using advanced design software to create optimized solutions tailored to your exact process requirements and machine specifications.

Request a Custom Quote for Your Plasticating Application

Get expert consultation from our technical team. We'll analyze your requirements and provide a tailored solution with competitive pricing and delivery timeline.

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