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Two Component Polyaspartic Polyurea Topcoat for Road Marking Paint1
Paint CoatingPaintPolyaspartic Polyurea
SWD NEW MATERIAL (SHANGHAI) CO., LTD.
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Product Description Product DescriptionSTWD8029 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.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 structureApplication scopesAnticorrosion protective decoration of various reinforced concrete surface and metal structures, also work as topcoat on aromatic polyurethane and polyurea coating surface.Product informationItemA componentB componentAppearance light yellow liquidColor adjustableSpecific gravity(g/m3) 1.051.32Viscosity (cps)@25oC350320Solid content (%) 5685Mix ratio (by weight) 11Surface dry time (h)1-3 hRecoating interval (h)Min 3 h; max 24h (20oC)Theoretical coverage (DFT)0.10kg/m2 film thickness 60μmTypical physical propertiesItemTest standardResultsTensile strength(Mpa)ASTM D-41217Elongation rate(%)ASTM D-412300Abrasion resistance (750g/500r) mgHG/T 3831-20065Impact resistance kg·cm GB/T 173250Anti-aging, accelerated aging 1000hGB/T14522-1993Loss of light<1, chalking <1The product meets the standard of drinking water materialsGB/T17219-1998PassChemical resistanceAcid resistance 10%H2SO4 or 10%HCI, 240h no rust, no bubbles, no peel offAlkali resistance 5%NaOH, 240hno rust, no bubbles, no peel offSalt resistance 30g/L, 240hno rust, no bubbles, no peel offSalt spray resistance 1500hno rust, no bubbles, no peel offOil resistance, 0# die sel, cru de oilno rust, no bubbles, no peel offWaterproof, 48hNo 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 recommendationenvironment temperature-5~+35oChumidity≤85%dew point≥3oCApplication instructionsHand brush, rollerAir spray, with air pressure 0.3-0.5Mpa Airless spray, with spray pressure 15-20MpaRecommend dft: 30-60μmRecoating interval: ≥3hApplication tipsAgitate 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
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