Polycarbonate

Makrolon, Lexan, Zelux, Unicar, Polygal, Ensicar

Polycarbonate Sheets formed into Riot Shields
This material is used frequently for shields, guards and containment barriers. Can be cold or heat bent to most configurations. A popular material manufactured by several companies: Lexan by SABIC, Makrolon by Sheffield/Bayer, Zelux by Westlake, Unicar by Nytef, Ensicar by Ensinger, Cyrolon, Polygal, Plazit, Tuffac, Paltuf, Texin.

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Why you should use Polycarbonate:

  • Very Tough Material
  • Extremely High Impact Strength
  • U.V. Stabilized and Light Weight
  • Bondable, Paintable, Printable and Silk Screenable
  • Much Higher Impact Strength Compared to: Acrylic or PETG

  • Extremely High Impact StrengthPolycarbonate – Makrolon – Lexan Fabricated Box – Drilled and TappedPolycarbonate - Makrolon - Lexan Fabricated Box - Drilled and Tapped
  • Good optical properties in thin gauge
  • Can hammer a nail through sheet without breaking the material
  • Can be formed, bent, cut and worked with standard cutting tools
  • More than 25 times more impact strength than Acrylic (Plexi)
  • Can be cold formed or bent – eliminating some heat forming
  • Applications – Frequently used in:

    Police Riot Shield - Polycarbonate - Lexan - Makrolon

    • Machine Guards, Break Resistant Glazing and Containment Parts
    • Riot shields, Face Shields, Bullet Resistant Glazing, Skylights
    • Roofing Panels, Green House Glazing, Window Glazing
    • Fabricated Boxes, Break Resistant Displays and Manifolds

    Materials Available As

    Extruded Sheet:

    .030″ – .500″ in 48″ X 96″ Clear Masked General Purpose Sheets

    Molded Sheet:

    .500″ – 4.0″ Thick Natural (Transparent) and Optical Grade in 48″ X 96″

    Film:

    .010″ –.040″ in 24″ X 48″

    Transparent –Film Masked SheetsRod:

    .125″ – 12.0″ Diameter – Natural (Machine Grade – Non Pigmented) in 96″ Lengths.

    Black is Available in some sizes as a Standard:

    Contact For Details

    Tube:

    .250″ ID – 4.0″ ID in 96″ Lengths (variety of wall thickness based on diameter)

    Special Formulations:

    Medical Grade, Conductive, Static Dissipative, Glass Filled, Custom Sizes, Formulations, Profiles or Colors.

    These Properties are for evaluation purposes only. This information is not to be construed as a warranty, guarantee or assurance that you may achieve the same results. Materials made from different resin types, manufacturing techniques and manufacturers will react differently. The information should be used to compare against other materials only, and each user should make his own tests to determine suitability. No warranty as to this materials suitability are either expressed or implied.

    Typical Resin Properties:

    General Property ASTM Test Typical Value
    Specific Gravity D792 1.2
    Tensile Strength Yield D638 8,900 – 9,000
    Tensile Modulus D638 340,000
    Izod Impact – Notched D256 12.0-16.0
    Hardness – Rockwell D785 M70
    Deflection Temp @ 264psi D648 270
    Deflection Temp @ 66 psi D648 280
    Co. Thermal Expansion D696 3.7X10-5

    Chem. Resistance ChartMfg. Data Sheet
    MSDS SheetMachining Guidelines

    “Thank you for suggesting Polycarbonate platics for my project” – Ted E.

    Polycarbonate Grades And Some History



    Polycarbonate sheet is a common material for a variety of glazing applications, impact resistant shields and formed parts. Polycarbonate Sheet and Rod are generally produced from plastic resin produced by two main plastic resin manufacturers:


    1) Sabic (Saudi Arabia Basic Industries Corporation) Plastic, producing a wide range of plastic resins including: Lexan Polycarbonate, Cycolac ABS, Noryl – Poly Phenylene Oxide (PPO), Ultem 1000 and Ultem 2300 PEI resins.

    2) Covestro (Formerly Bayer Plastic) that focus mainly on the Makrolon Polycarbonate resin and some Polyurethane and Coatings.

    The general purpose Polycarbonate resins are about the same as they were when they were first invented. The research on this resin started in 1898, but was first perfected by Bayer in Germany and was patented and registered in 1955. Amazingly, one week after the first invention by Bayer, Daniel Fox at General Electric in New York, independently synthesized a branched polycarbonate resin. Both companies filed for US Patents in 1955, and agreed that the company lacking priority would be granted a license to the technology. The patent was resolved in Bayer’s favor, and Bayer began commercial production under the trade name Makrolon in 1958. GE Plastics began production under the Lexan trade name in 1960.
    Today, there are numerous versions of these Polycarbonate resins, produced by a dozen different resin manufacturers; however Lexan and Makrolon still lead the field.
    In addition to the dozen resin manufacturers, there are also dozens of extruders that can produce the Polycarbonate in sheet or rod. The leaders are Covestro, SABIC and Plazit Polygal. All three have extrusion equipment in the USA, and produce high clarity Polycarbonate Sheet. Some of the leaders in Rod extrusion are Ensinger Plastics, Polymer Plastics, Westlake Plastics and Gehr Plastics.

    The different versions of the Polycarbonate resin cover a wide range of manufacturing machinery, ie: Injection molding, Extrusion, Blow molding, etc. In addition, there are different Polycarbonate grades based on the applications where the material will be used.

    Some grades of Polycarbonate Sheet

    Covestro (Bayer / Sheffield):

    Makrolon GP – General Purpose Polycarbonate Sheet
    ~ UV Stable and Excellent for high impact and glazing applications

    Makrolon GP-V – UL rated General Purpose Polycarbonate Sheet
    ~ UV Stabilized and UL 94 V-2 at .060” thickness, UL 94 V-0 at .220” thickness

    Makrolon FI – UL rated Polycarbonate Sheet (Flame Inhibiting)
    ~ High flame resistance – UL 94 V-0 at .060” thickness and UL 94 5VA at .118” thickness
    ~ FAR 25.853 Part 1, a (i) – 60 sec and Part 1, a (ii) – 12 sec – PASS @0.060” – 0.125”

    Makrolon AR – Abrasion Resistant Polycarbonate Sheet
    ~ Added proprietary hard coating for higher abrasion resistance

    Plazit Polygal:

    Monogal
    ~ UV Stable and Excellent for high impact and glazing applications

    Monogal-F
    ~ High flame resistance – UL 94 V-0 at .080” thickness
    ~ FAR 25.85 Part 1, a (i) – 60 sec and Part 1, a (ii) – 12 sec – PASS @0.080” – 0.236”

    Click on ‘Sheet’ or ‘Rod’ for Pricing.

    • Clear Glazing Grade
      Clear Glazing Grade
      Clear Glazing Grade
      Clear Glazing Grade

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    • Available in Natural Only
      Available in Natural Only
      Available in Natural Only
      Available in Natural Only
      Available in Natural Only
      Available in Natural Only
      Available in Natural Only
      Available in Natural Only
      Available in Natural Only

    These Properties are for evaluation purposes only. This information is not to be construed as a warranty, guarantee or assurance that you may achieve the same results. Materials made from different resin types, manufacturing techniques and manufacturers will react differently. The information should be used to compare against other materials only, and each user should make his own tests to determine suitability. No warranty as to this materials suitability are either expressed or implied.