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61003A Fast Curing Tough Yellowing Resistant Modified Epoxy Acrylate Resin - UV Oligomer for Potting & Varnish

 61003A is a high-performance modified epoxy acrylate UV oligomer combining ultra-fast curing with superior flexibility. Its unique yellowing-resistant formula makes it the ideal choice for premium UV potting compounds and varnishes, effectively solving the cracking and discoloration issues of traditional resins.

    Description


    61003A is a newly developed modified epoxy acrylate resin engineered for high-end photocurable applications, breaking through the technical bottlenecks of traditional epoxy acrylates which often suffer from brittleness and yellowing despite their fast curing speeds. Through molecular structure optimization, this product maintains extremely high photocuring reactivity while imparting excellent flexibility, impact resistance, and significantly enhanced UV aging resistance to the coating. As a primary resin for UV potting compounds, it effectively protects precision electronic components from stress cracking and environmental erosion; as a base for UV varnishes, it delivers lasting high gloss and transparency, making it widely applicable in industrial coatings and electronic encapsulation fields with stringent requirements for weatherability and mechanical performance.

    Technical features


    Resin type

    modified epoxy acrylate oligomer

    Appearance

    Transparent viscous liquid

    Viscosity(mPa.s)

    8000~18000 (60ºC)

    Functionality

    2

    Chrominance(Pt-Co)

    ≤80

    Acid value(mgKOH/g)

    ≤8

    Performance


    Excellent Yellowing Resistance

    Ultra-Fast Curing Speed

    Superior Flexibility and Toughness

    Good Wetting and Adhesion

    Application


    UV Potting Compounds

    UV Varnishes

    UV Coatings

    Packaging,Warranty period & Storage


    Packaging

    20/220 (kg)/Opened ordinary steel drum

    Warranty period

    180 days

    Storage

    This product should be stored and transported in dark opaque steel drums or containers containing corrosion-resistant and solvent resistant coatings. Leave at least 15% space inside the container filled with air. Packaging should be stored in a cool environment below 35 ℃, and exposure to sunlight is strictly prohibited.