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‌Aqueous Hydroxyl Acrylic Dispersion With Salt Spray Resistance Exceeding 300 Hours.

    Buy cheap ‌Aqueous Hydroxyl Acrylic Dispersion With Salt Spray Resistance Exceeding 300 Hours. from wholesalers
     
    Buy cheap ‌Aqueous Hydroxyl Acrylic Dispersion With Salt Spray Resistance Exceeding 300 Hours. from wholesalers
    • Buy cheap ‌Aqueous Hydroxyl Acrylic Dispersion With Salt Spray Resistance Exceeding 300 Hours. from wholesalers
    • Buy cheap ‌Aqueous Hydroxyl Acrylic Dispersion With Salt Spray Resistance Exceeding 300 Hours. from wholesalers
    • Buy cheap ‌Aqueous Hydroxyl Acrylic Dispersion With Salt Spray Resistance Exceeding 300 Hours. from wholesalers
    • Buy cheap ‌Aqueous Hydroxyl Acrylic Dispersion With Salt Spray Resistance Exceeding 300 Hours. from wholesalers

    ‌Aqueous Hydroxyl Acrylic Dispersion With Salt Spray Resistance Exceeding 300 Hours.

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    Brand Name : WeiLi Resin®
    Model Number : WL-AD3947
    Certification : ISO9001
    Price : Negotiable
    Payment Terms : T/T,L/C
    Supply Ability : 500t/month
    • Product Details
    • Company Profile

    ‌Aqueous Hydroxyl Acrylic Dispersion With Salt Spray Resistance Exceeding 300 Hours.

    ‌ WL-AD3947‌, a waterborne hydroxyl-functional acrylic dispersion, is recommended for producing high-performance two-component polyurethane coatings when crosslinked with water-based isocyanate curing agents . Its formulation targets premium topcoats and protective varnishes for diverse metal surfaces.

    This aqueous hydroxyl acrylic dispersion delivers exceptional water, salt spray, acid, and alkali resistance, with extended initial water resistance retention. It is ideally suited for outdoor applications. Compatible with both oil-based and water-based curing agents, it functions as a versatile topcoat, varnish, or combined basecoat/topcoat resin.

    Physical Property

    Properties

    Units

    Values

    Appearance

    ---

    Milky liquid

    Viscosity

    mPa.s

    500-4500

    Solid Content

    %

    44-46

    pH

    ---

    7.5-8.5

    Hydroxyl content

    (reference value, %)

    3.2


    Integration of Primer and Topcoat Testing Results‌

    ‌Topcoat:‌ WL-AD3947 Polyurethane Primer/Topcoat (Light Gray)
    ‌Curing Agent:‌ WL-AC300 Primer/Topcoat Special Hardener
    ‌Mix Ratio:‌ 4:1
    ‌Pinhole Limit:‌ 85 µm
    Drying/Curing Process:‌
    Bake at 80°C for 2 hours, then cure for 3-7 days;

    OR Bake at 80°C for 4 hours, then cure for 1 day prior to salt spray testing.

    The measured results are as follows:

    Film thickness rangeSalt spray performance
    50~65um240h~300h
    65~70um300h~400h
    70~80um400h~550h

    Performance Features:

    • Excellent aging resistance and salt spray resistance.
    • Good adhesion to various substrates.
    • High cost performance.
    • Good initial water resistance.

    Dosage and Application Method:

    • Mixing:‌ WL-AD3947 is designed to be combined with a waterborne isocyanate curative (hardener).
    • Main Agent Co-solvents:‌ Recommended co-solvents for WL-AD3947 (Component A) include DPNB, PNB, DBG, and BG.
    • Curative Co-solvents:‌ Recommended co-solvents for the curative (Component B) include PGDA, PMA, or a blend of PMA + DBE (in ratios of 1:1 or 1:2).
    • Pot Life:‌ If the initial viscosity of the mixed A/B components is too high, the pot life (application window) will be correspondingly shortened.
    • Grinding Warning:‌ Grinding WL-AD3947 into a paste is ‌not recommended‌. The grinding process introduces numerous destabilizing factors which may compromise the product's stability and lead to performance degradation.
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