
Posi-Melt™ Multipurpose Screws
- Un-tangential Flight Design
- Superior Mixing Performance
- Complete Pressurization





Patented Technology
Made in USA
Advanced bimetallic extrusion barrel screws engineered for superior plastic processing performance. Our patented Posi-Melt™ technology and high-performance plasticating barrels deliver enhanced melt quality, increased throughput, and extended equipment life across injection molding, extrusion, blow molding, and LSR applications.
Talk to our experts for custom solutions and tailored guidance.
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What are the different types of extruder screws?
Extruder screws include mixing screws for enhanced material blending, extrusion screws for continuous plastic processing, and specialized plasticating systems. Our bimetallic barrel screws feature patented designs including Posi-Melt™ technology with MB Barrier Geometry, un-tangential flight designs for superior mixing, and advanced dispersive mixing configurations, all engineered for injection molding, extrusion processing, blow molding, and LSR applications.
How does bimetallic construction extend equipment service life?
Can bimetallic barrel screws be retrofitted into existing processing equipment?
What thermoplastic materials work best with bimetallic extrusion barrel screws?
How does Posi-Melt™ technology improve melt quality and mixing?
What size range of bimetallic barrel screws is available for different production scales?
What industries benefit most from upgrading to bimetallic barrel screw technology?
Does MD Plastics offer custom engineering for specific processing challenges?
Talk to our experts for custom solutions and tailored guidance.

High-performance barrel screws for injection molding automotive components with precise tolerances

Sterile plastic component production requiring consistent melt quality and precision processing

Plastic housing and component manufacturing for electronics requiring superior surface finish

Heavy-duty extrusion and processing applications requiring enhanced durability and performance
Talk to our experts for custom solutions and tailored guidance.



Eight patents including revolutionary Posi-Melt™ technology that increases plastic exposure to barrel wall by up to 60% for superior mixing performance.
Founded by Mike Durina with deep plasticating knowledge, we've helped injection molders achieve higher profitability since 1999.
Direct consultation with our founder and proprietary design software ensures optimal barrel and screw configurations for your specific requirements.
Connect with our technical team for custom design consultation and receive detailed specifications tailored to your processing requirements.
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
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