Can be applied directly on rusty steel( rust layer ¡ü45um)! Color and appearance: grey or others Coating thickness um: 50¡à5mm Solid content % : 69¡à3% Overcoating interval: minimum: 4 hours max: unlimited Recommended substrate conditions and temperature: 1.Remove all oil or grease, soluble contaminants and other foreign matter. All surfaces to be coated should be clean, dry and free from contamination. 2.If applied on the rusty surface, the rusty layer thickness should be below 45 um 3.Apply in good weather, don¡¯t let coating contact any liquid like water or other solvent before completely dry. No painting be carried out in rainy day outdoor , if the humidity is above 85%, please stop painting 4.The temperature of substrate should be above 5¡ãc, lower temperature might not dry or cause a long time to dry Air spray:nozzle orifice: 1.5-2.5mm Nozzle pressure: 0.3-0.5mpa Airless spray:nozzle orifice: 0.4-0.5mm Nozzle pressure: 12-15mpa Brush : use soft bursh Recommended finish: rsl series finish Shelf life: 12 months Over coating time Substrate Temperature 5¡ãc 15¡ãc 25¡ãc 35¡ãc 45¡ãc Minimum interval 24hrs 7hours 4hours 3hours 2hours Maximum interval Unlimited storage temperature : 5-30¡ãc in well ventilated warehouse 20l/barrel or 20kg/barrel