SWD8029 two component polyaspartic topcoat


SWD8029 two component polyaspartic topcoat

short description:

SWD8029 is a two-component high performance anticorrosion decoration UV resistance topcoat, it applies with aliphatic polyaspartic resin prepolymer as main film-forming material, it has excellent property of discoloration resistance and weather resistance.

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  • Product Detail

    Product Tags

    Features and benefits

    * the coating film is tough, compact, full light and with bright colors

    * no discoloration, no-yellowing, no chalking, anti-aging, with excellent weather resistance and color-preserving decoration effect

    * excellent adhesive strength, good compatible with polyurethane, epoxy, chlorinated rubber, alkyd, phenolic and other coating film.

    * excellent abrasion resistance, impact resistance

    * excellent chemical resistance to acid, alkali, salt and others.

    * excellent anticorrosion property

    * excellent waterproof property

    * excellent durability to reduce lifelong maintenance cost

    * extend the service life of the sprayed structure

    Application scopes

    Anticorrosion protective decoration of various reinforced concrete surface and metal structures, also work as topcoat on aromatic polyurethane and polyurea coating surface.

    Product information

    Item A component B component
    Appearance light yellow liquid Color adjustable
    Specific gravity(g/m³) 1.05 1.32
    Viscosity (cps)@25℃ 350 320
    Solid content (%) 56 85
    Mix ratio (by weight) 1 1
    Surface dry time (h) 1-3 h
    Recoating interval (h) Min 3 h; max 24h (20℃)
    Theoretical coverage (DFT) 0.10kg/㎡ film thickness 60μm

    Typical physical properties

    Item Test standard Results
    Tensile strength(Mpa) ASTM D-412 17
    Elongation rate(%) ASTM D-412 300
    Abrasion resistance (750g/500r) mg HG/T 3831-2006 5
    Impact resistance  kg·cm                 GB/T 1732 100
    Anti-aging, accelerated aging 1000h GB/T14522-1993 Loss of light<2, chalking <2
    The product meets the standard of drinking water materials GB/T17219-1998 Pass

    Chemical resistance

    Acid resistance 10%H2SO4 or 10%HCI, 240h   no rust, no bubbles, no peel off
    Alkali resistance 5%NaOH, 240h no rust, no bubbles, no peel off
    Salt resistance 30g/L, 240h no rust, no bubbles, no peel off
    Salt spray resistance 1500h no rust, no bubbles, no peel off
    Oil resistance, 0# diesel, crude oil no rust, no bubbles, no peel off
    Waterproof, 48h No bubbles, no wrinkled,no color-changing, no peel off
    (For reference: pay attention to the influence of ventilation, splash and spillage. Independent immersion testing is recommended if requires other specific data.)

    Processing recommendation

    environment temperature -5~+35℃
    humidity ≤85%
    dew point ≥3℃

    Application instructions

    Hand brush, roller

    Air spray, with air pressure 0.3-0.5Mpa

    Airless spray, with spray pressure 15-20Mpa

    Recommend dft: 30-60μm

    Recoating interval: ≥3h

    Application tips

    Agitate part B uniform prior to application.

    Strictly mix the 2 parts in right ratio and agitate uniform.

    Seal the package well after use to avoid moisture absorption.

    Keep the application site clean and dry, forbidden to contact with water, alcohols, acids, alkali etc

    Product cure time

    Substrate temperature Surface dry time Foot traffic Solid dry time
    +10℃ 4h 12h 7d
    +20℃ 2h 8h 7d
    +30℃ 1h 4h 7d

    Note: the curing time is different with environment condition especially when temperature and relative humidity changes.

    Shelf life

    Storage temperature of environment: 5-35℃

    * shelf life is from the manufacturing date and sealed condition

    Part A: 10 months     Part B: 10 months

    * keep the package drum well sealed.

    * store in cool and ventilated place, avoid sunshine exposure.

    Package: part A: 25kg/barrel, part B: 25kg/barrel. 

    Product health and safety information

    For information and advice on the safe handling, storage and disposal of chemical products, users shall refer to the most recent Material Safety Data Sheet containing physical, ecological, toxicological and other safety related data.

    Integrity declaration

    SWD guarantee all technical data stated in this sheet are based on laboratory tests. Actual testing methods may vary due to different circumstances. Therefore please test and verify its applicability. SWD does not take any other responsibilities except the product quality and reserve the right of any modifications on the listed data without prior notice.

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