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Extreme Coatings

Call: 888-367-2569

Plastics Industry Association Member

Engineered Surfaces to Extend Service Life and Performance

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  • High Performance Formulas
    Extreme Layer of Protection
    HVOF Thermal Spray
  • Reduce Replacement Costs for Mud Rotors
    HVOF CPR delivers more abrasion and corrosion resistance than hard chrome plating (HCP) - even in high chloride environments
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    Oil and Gas Industry
  • Plastic Injection Molding
    Twin Feedscrews
    Our high percentage carbide layer can provide from two to four times more wear life depending on fill loading.
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  • Feedscrews
    Our coatings are perfect for injection molders and extruders when processing fiberglass, calcium carbonate, titanium dioxide and metals, ceramic or other highly abrasive fillers.
    Single Feedscrews
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  • Mixer-Extruders
    Continuous Mixing Rotors
    Our C1000 tungsten carbide has been used as chrome replacement in aggressive applications. C1000 doubles the working life of rotors compared to hard chrome plating.
    Read More
You are here: Home / FAQs / Will a hard tungsten carbide coating wear my “soft” barrel?

Will a hard tungsten carbide coating wear my “soft” barrel?

December 11, 2018 by Marija G

This is a common concern among processors. We commissioned an ASTM G-77 test procedure to address this issue. In brief, tungsten carbide spinning against a bimetallic (FeB) liner shows no difference in liner wear than standard alloy materials such as Stellite and Colmonoy. Follow this link for more details (Adhesive Wear Test ASTM G77). A hard coated feedscrew contacting a less hard barrel liner is not a source of wear. In extrusion, system alignment, auxiliary die and barrel support, temperature profile, and proper screw design are much more critical to reducing wear.
Click here to increase the life of your mud rotors
Click here to increase the life of your extrusion & feed screws
Extreme Coatings

2895 46th Ave N - St. Petersburg, FL 33714

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888-367-2569

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MENU
  • Home
  • About Us
    • Shows and Events
    • News
  • Our Processes
    • High Velocity Thermal Spray
    • The Process
    • Encapsulation Protection
      • Full Encapsulation of Feedscrews
      • Partial Encapsulation of Feedscrews
    • Chrome Plating Replacement
      • Feedscrews, Mixing Rotors, etc.
      • Mud Rotors and Downhole Tools
  • Applications
    • Plastic & Rubber Industries
      • Feedscrews
      • Parallel Twin Feedscrews
      • Co-Rotating Twin Feedscrews
      • Ultrasonic Welding Horns
      • Cushion Master
      • Continuous Mixing Rotors
      • Mixer Bodies
      • Extrusion Dies, Die Plates, Sheet Dies
      • Granulator Knife Blades
    • Oil & Gas Industry
      • Downhole Mud Rotors
      • Mandrels
    • Motorsports Industry
    • Marine Anti-Fouling
  • Technical Resources
    • Coating Formulas
      • Tungsten/Chromium Carbide
      • NiBoride
      • Other
    • Test Results
      • Abrasive Wear Test ASTM G65
      • Adhesive Wear Test ASTM G77
    • Case Studies
    • FAQs
    • Company Literature
    • ROI
    • Videos
  • How to Buy
    • Our Distributors
    • Purchase Encouragement Program (PEP)
    • Warranty
  • Contact Us
    • Application Profile Form
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