Spray Polyurea Anticorrosion Coating for Power Plant Demineralized Water Tanks

Product DescriptionSTWD9002 Power plant water tank special polyurea is a 100% solid content aromatic polyurea elastomer material. The product has excellent adhesive strength, dense and seamless, also have good anticorrosion, waterproof, moisture-proof and impermeability. It has been widely used in the demineralized water tank projects in home and abroad.Product features and advantages*Solvent free, 100% solids, safe, environmentally friendly and odor free.*Rapid cure, can be sprayed forming on any bent, slope and vertical surfaces, no sagging.*Dense coating, seamless, with good flexibility.*Excellent impact resistance, abrasion resistance*Excellent anticorrosion and chemical resistance to acids, alkali, salts etc.*Excellent waterproof performance*Good shock absorbing performance*Excellent resistance to temperature variation*Fast cure, application site back to service quickly*Excellent durability to reduce lifelong maintenance cost*Extend the service life of sprayed structureApplication scopesAnticorrosion waterproof protection of demineralized water tanks, storage tanks, towers and other facilities in power plant industry.Product informationItemABAppearancePale yellow liquidAdjustable colorSpecific gravity (g/m³) 1.121.05Viscosity(cps)@25ºC790640Solid content (%) 100100Mix ratio(by volume) 11Gel time(second)@25ºC4-6Surface dry time(second)15-40Theoretical Coverage(dft)1.08kg/m2 Film thickness 1mmProduct ParametersPhysical properties  ItemTest standard ResultHardness (Shore A)ASTM D-224090Elongation rate(%)ASTM D-412460Tensile strength(Mpa)ASTM D-41217Tear strength (kN/m)ASTM D-62463Impermeability(0.3Mpa/30min)HG/T 3831-2006ImpermeableWearable(750g/500r)/mgHG/T 3831-20064.4Adhesive strength(Mpa)concrete baseHG/T 3831-20063.1Adhesive strength(Mpa) steel baseHG/T 3831-200611Density(g/cm³)GB/T 6750-20071.02Cathodic disbondment [1.5v,(65±5)ºC,48h]HG/T 3831-2006≤15mmChemical resistanceAcid resistance 10%H2SO4 or 10%HCI,30dNo rust, no bubbles, no peel offAlkali resistance 10% NaOH, 30dNo rust, no bubbles, no peel offSalt resistance 30g/L,30dNo rust, no bubbles, no peel offSalt spray resistance, 2000h No rust, no bubbles, no peel offOil resistance 0# diesel, crude, 30dNo rust, no bubbles, no peel off(For reference: the above data is acquired based on GB / T9274-1988 test standard. Pay attention to the influence of ventilation, splash and spillage. Independent immersion testing is recommended if requires other specific data)Product application environmentEnvironment temperature0ºC-45ºCProduct spray heating temperature65ºC-70°Chose heating temperature55ºC-65ºCRelative humidity≤90%Dew point≥3ºCProduct application guideRecommend spray machineGRA  CO H-XP3 Polyurea spray equipmentSpray gunFusion-air purge or mechanical purgeStatic pressure2300-2500psiDynamic pressure2000-2200psi Recommend film thickness 1000-3000μmRecoating interval≤6hApplication noteAgitate part B uniform prior to application, thoroughly mix the deposited pigments, or the product quality will be affected.spray polyurea within the proper time if the substrate surface is primed. For the application method and interval time of STWD polyurea special primer please refer to STWD company's other brochure.Always apply STWD polyurea on a small area before large application to check the mix ratio, color and spray effect are correct. For detailed information of application please refer to the latest instruction sheet of the application instructions of STWD spray polyurea series.Product curing timeSubstrate temperatureDry Walking intensitycomplete solidify+10ºC30s 45min7d+20ºC21s 15min6d+30ºC19s 5min5dNote: the curing time varies with the environment condition especially the temperature and relative humidity.Shelf  Life * From the manufacturer date and on the original package sealed condition:Part A: 10 monthsPart B: 10 months*storage temperature:+5-35°C Packing: Part A 220kg/drum, part B 200kg/drumMake sure the product package sealed well* store in cool and ventilated place, avoid direct sunshine exposure.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     STWD 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. STWD does not take any other responsibilities except the product quality and reserve the right of any modifications on the listed data without prior notice.  Detailed Photos  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1