Posi-Melt™ Multipurpose Screws
Posi-Melt™ XLA Mixing Screws
Posi-Melt™ MB Barrier Screws
Posi-Melt™ Extrusion Screws
Patented Technology certified

Patented Technology

Feed Screws for Injection Molding and Extrusion

Advanced feed screws engineered for injection molding and extrusion applications. Featuring patented Posi-Melt™ technology that increases plastic exposure to barrel walls by up to 60%, delivering superior mixing, uniform melt quality, and faster material changeovers for enhanced productivity.

Our Range of Products

Posi-Melt™ Multipurpose Screws

Posi-Melt™ Multipurpose Screws

  • Un-tangential design
  • Drop-in replacement
  • Multi-application versatility
Posi-Melt™ XLA Mixing Screws

Posi-Melt™ XLA Mixing Screws

  • Patented XLA mixing technology
  • 60% increased plastic exposure
  • Advanced dispersive mixing
Posi-Melt™ MB Barrier Screws

Posi-Melt™ MB Barrier Screws

  • Single-channel barrier design
  • Extensional strain enhancement
  • Complete pressurization
Posi-Melt™ Extrusion Screws

Posi-Melt™ Extrusion Screws

  • Custom flight geometry
  • Enhanced melt quality
  • High throughput design

Frequently Asked Questions

What diameter range is available for these feed screws?

All Posi-Melt™ feed screws are available in diameter ranges from 14mm to 240mm with custom sizes available.

How much improvement can I expect in plastic mixing?

Are these screws compatible with existing injection molding machines?

What materials can be processed with these feed screws?

Do you offer custom screw design services?

What construction materials are used for the screws?

How do these screws reduce manufacturing costs?

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 with consistent quality for automotive interior and exterior parts.

Medical Device Manufacturing

Medical Device Manufacturing

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

Consumer Electronics

Consumer Electronics

High-quality plastic housings and components for electronic devices with excellent surface finish requirements.

Industrial Processing

Industrial Processing

Thermoplastic extrusion for pipe, profile, sheet, and film production with enhanced throughput and quality.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Posi-Melt™ Extrusion Screws

Injection Molding Screws for Plastics Manufacturing

Advanced injection molding screws featuring patented Posi-Melt™ technology for superior plastic melting, mixing, and processing. Our barrier screws, extrusion screws, and multipurpose designs deliver up to 60% increased plastic exposure to barrel walls, ensuring uniform melt quality, faster changeovers, and enhanced productivity across all thermoplastic materials.
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Posi-Melt™ MB Barrier Screws

Industrial Feed Screws: Injection Molding and Extrusion Solutions

Industrial feed screws engineered for injection molding and extrusion applications. Our patented Posi-Melt™ MB Barrier Screws feature proprietary single-channel barrier geometry that increases plastic exposure to barrel walls by up to 60%, delivering superior melting efficiency, uniform material distribution, and enhanced processing performance across all thermoplastic applications.
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Posi-Melt™ MB Barrier Screws

Mixing Injection Molding Screws

Advanced mixing injection molding screws featuring patented Posi-Melt™ technology that disrupts laminar flow for superior mixing performance. These screws increase plastic exposure to barrel wall by up to 60%, delivering uniform homogenized melt with consistent temperature distribution for injection molding, extrusion, and specialized applications.
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Why Injection Molders Choose Md Plastics Inc

Patented Technology Innovation

Eight patented technologies including Posi-Melt™ screws deliver superior performance with proven results across all polymer types and applications.

25+ Years Manufacturing Excellence

Founded in 1999 by industry veteran Mike Durina, with decades of experience in plasticating component design and manufacturing optimization.

Direct Technical Support

Personal consultation with company owner Mike Durina and expert technical team for custom design services and application optimization.

Get Expert Guidance on Feed Screw Selection

Connect with our technical team for custom screw design consultation and application-specific recommendations.

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