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Ultrapsar | Owens Corning Composites
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SMART BLADE PERFORMANCE

The ULTRASPAR™ pultruded planks, Glas-Powered™ by the Owens Corning® high-modulus glass family are designed to deliver more performance, part consistency, and an easier spar cap assembly experience.

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Specifications and Literature

Performance Attributes

Up to 24% lower total costs <br><br> compared to carbon fiber planks Icon

Up to 24% lower total costs

compared to carbon fiber planks

lower cycle-time <br><br> compared to glass fabric lay-up Icon

lower cycle-time

compared to glass fabric lay-up

non conductive <br><br> glass fiber is an electrical isolator by design Icon

non conductive

glass fiber is an electrical isolator by design

    ULTRASPAR™
    Glas-Powered™ by H-glass

    ULTRASPAR™ 2
    Glas-Powered™ by H2 glass

    New
    ULTRASPAR™ 3
    Glas-Powered™ by H3 glass

    Lower Climate Impact

    Learn how we are halving our operations impact at owenscorning.com/sustainability


    Carbon fiber climate impact estimates dependent on the PAN source and fuel sources of oxidation and carbonization processes.

    Your Global Materials Engineering Partner

    Owens Corning operates in every major blade making region, with Science & Technology centers in the United States, Europe and China, and a global engineering team ready to partner with you to design and build better blades.

    Technical Information

    Properties

    ULTRASPAR™ ULTRASPAR™ 2 ULTRASPAR™ 3
    FVF % Mean ISO 1172 70 70 70
    0º Tensile Modulus GPa Mean ISO 527-5 60 63 66
    0º Compression Modulus GPa Mean ISO 14126 61.5 64 68
    0º Tensile Strain to failure % Mean ISO 527-5 2.2 2.2 2.2
    90º Tensile Strength MPa Mean ISO 527-5 55 55 55
    90º Tensile Modulus GPa Mean ISO 527-5 16.5 16.5 16.5
    90º Compression Strength MPa Mean ISO 14126 155 160 160
    90º Compression Modulus GPa Mean ISO 14126 19.5 19.5 19.5
    Flexural Strength MPa Mean ISO 14125 / 1100 /
    Flexural Modulus GPa Mean ISO 14125 / 56 /
    Interlaminar shear strength MPa Mean ISO 14130 / 65.5 /
    Interlaminar shear strength
    (ILSS-two ply panel + fabrics)    		 MPa Mean ASTM D2344 ~60 ~55.5
    Tension-Tension Fatigue
    (m - value)    		 — ISO 13003
    ASTM D3479    		 >8 >8 >8


    Certifications

    • Product performance verified by Owens Corning DNV certified laboratories.
    • Product manufactured under the APQP4Wind protocols.
    • Owens Corning scored an A for CDP Climate Change in 2021 and is included in the CDP "A List" for Water Security.
    • Owens Corning was ranked among the top 1% of all companies rated by EcoVadis with a Platinum Certificate.

    Availability and Packaging

    This product is available globally. Please contact your Owens Corning representative for information in your region.

    Ultraspar™ is a custom-designed product requiring the profile dimensions of the specific design for a blade. Adequate time is needed for dye preparation to properly produce the product.

    Ultraspar™ is compatible with epoxy resin systems.

      Regional Availability

      Ultraspar™ is available globally.

      Applications

      • Wind Energy > Spar Cap

      Get in Touch

      Reach out to our team of experts. We're ready to answer your questions on product specifications, technical requirements, and beyond.

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