SPU-component water-curable polyurethane waterproof coating

Product Description: HC-20 water-curable one-component polyurethane waterproof coating is a synthetic polymer waterproof material, the base surface in wet construction, waterproof polyurethane coating to overcome the past can not quit and water or water and general One-component polyurethane waterproof coating due to lack of humidity in the air, long curing time, easy to delay the construction period of the shortcomings. This product is made of natural water instead of toxic methylene bis ortho chloroaniline (MOCA) to make a curing agent, through the production equipment and processes be improved to reduce the content of free TDI system, a new generation of environmentally friendly waterproof material. This product can be cured after coating non-toxic, odorless, highly elastic waterproof film, waterproof engineering is widely used Advantages: Non-toxic, tasteless, non-polluting, safe environment. One-component construction, to add water directly stirring, easy operation, construction safety. In wet base surface construction, with good acid, alkali, heat-cold, anti-aging properties. Overall good, tough seamless elastic sealing layer is formed after the film, a common base construction up water requirements needed, can be made into a variety of colors, beautify the environment. Strong adhesive, can bond with concrete, masonry, wood, glass, metal, rubber and other different materials. Scope: 1, building a variety of flat inclined roof, gutters, etc., and irregular canopy roof waterproofing. 2, the underground construction waterproofing works, such as the basement concrete floor, interior and exterior, retaining walls, tunnels, wells and pits. 3, waterproof construction of various buildings, such as the bathroom, kitchen, swimming pool, flower beds, sluice ground, construction joints, expansion joints, wall pipe, the water vent. 4, adhesive anti-corrosion: for pipeline external corrosion, corrosion floor, corrosion pool. Main Specifications: Standard: GB / T19250-2003 Testing items of Type Ⅰ Ⅱ Solid content (%) ≥80 ≥80 Drying time (h) ≤12 tack-tack-tack hard work ≤12 ≤24 no adhesion ≤24 no adhesion flexibility at low temperature (-40 ℃) no crack no crack impermeability (0.3Mpa, 30min) No leakage no leakage Tensile strength (Mpa) ≥1.90 ≥2.45 elongation (%) ≥550 ≥450 construction method: the base surface treatment: construction of surface requires a solid, flat, dry and no clear water, no dust, no oil, low-lying breakage need to fill smooth. Material deployment: the paint bucket to open a scraping paint weighed amount plus 20% water, mix with an electric mixer stir well. Construction: with a rubber scraper or brown brush evenly on the base plane, scraping should be repeated in two directions perpendicular, to ensure penetration and adhesion coating on the base surface, the next time the coating to dry at room temperature for about 12 hours, each time interval before coating deposition sticky subject, to be scraping 2-3 layers, the next layer of the construction proceeds after scraping its previous tack. (If the overlay coating glass fiber cloth or non-woven fabric to better increase its water resistance). The protective layer construction: to increase the adhesive force between the waterproof layer and the protective layer, and the former has not been cured coating on its surface sprinkled Coarse or fine stone rice, make a strong bond between the protective layer and waterproof layer of . Material consumption: 1mm thickness of about 1.2 ~ 1.4kg / m2,1.5mm about 1.6 ~ 2kg / m2,2mm about 2.5kg / m2 Note: After the paint is turned recommend one-time run, but not run after, if opened, should immediately Open mouth sealed to prevent moisture absorption curing scrapped. As a result of improper storage or storage period is long, the surface to form a thin layer of film, it can continue to be used after removal of the coating does not affect the results, if a film will have to scrap the whole barrel. Construction temperature should be above 5 ℃, ambient air circulation to keep the construction construction. The product should be sealed and stored in a dry place, avoid sunlight, rain place, shelf life of one year. Packaging: Product packaging is 25kg / barrel.