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About usJianguo Waterproofing (Jianguo Weiye) was founded in 1989. It is a professional waterproofing enterprise integrating scientific research, production, sales, construction, and technical services.
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BlogJianguo Waterproofing (Jianguo Weiye) was founded in 1989. It is a professional waterproofing enterprise integrating scientific research, production, sales, construction, and technical services.
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Contact UsJianguo Waterproofing (Jianguo Weiye) was founded in 1989. It is a professional waterproofing enterprise integrating scientific research, production, sales, construction, and technical services.
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WJG-810 Spray Polyurea Elastomer Waterproofing System
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WJG-810 spray polyurethane elastomeric waterproof coating is an elastomeric waterproof coating formed by mixing and reacting two components, an isocyanate compound (referred to as component A) and an amine compound (referred to as component B), using a spray application process.
Components A and B are conveyed to the spray gun by metering pumps through imported special spray equipment, and after rapid mixing, they are sprayed onto the substrate surface and quickly react and solidify into an elastic and tough waterproof, anticorrosion, and wear-resistant coating.
Component A is an isocyanate monomer, polymer, derivative, prepolymer, or semi-prepolymer. Prepolymers or semi-prepolymers are prepared by the reaction of end-amino or end-hydroxy compounds with isocyanates. Isocyanates can be either aromatic or aliphatic.
When component B is composed of end-amino resins and amino chain extenders, it is usually called spray (pure) polyurethane waterproof coating; when component B is composed of end-hydroxy resins and amino chain extenders, it is usually called spray polyurethane (urea) waterproof coating.
As a new coating material, polyurethane has completely changed the previous understanding of coatings. Because no other coating material can withstand a heavy hammer blow and the most severe wear, while also having sufficient flexibility, the coating will not crack even when significant expansion and contraction causes concrete cracking or steel structure deformation, and it can still completely cover the entire workpiece surface even under abnormal conditions such as pipeline protrusion and subsidence. These excellent properties ensure the longevity and reliability of polyurethane in engineering applications, and its service life of 50-70 years highlights its extremely high cost-effectiveness.
Product Classification
WJG-810 Spray (Pure) Polyurea Waterproof Coating (JNC)Type Ⅰ Type ⅡWJG-810 Spray Polyurethane (Urea) Waterproof Coating (JNJ)Product Features
◆ Rapid curing, strong adhesion, gels in 3 seconds, and reaches walking strength in 1 minute;
◆ Can be sprayed and formed on any curved surface, inclined surface, and vertical surface without sagging;
◆ Insensitive to moisture and temperature, less affected by ambient temperature and humidity during construction;
◆ Extremely high solid content, contains no volatile organic substances, and is environmentally friendly;
◆ Excellent physical and chemical properties, high strength, high elongation, good flexibility, and excellent wear resistance, aging resistance, and corrosion resistance
◆ Good thermal stability, can be used continuously at 120℃, and can withstand short-term thermal shock at 350℃.
◆ Various colors and dyes can be added like ordinary coatings to produce products of different colors.
◆ The formed coating is continuous, dense, and seamless, with excellent overall waterproof effect;
◆ Mechanized construction, high efficiency, one-time construction can reach the design thickness requirements, etc.
Implementation Standard
The basic properties of the product shall meet the requirements of GB/T23446-2009 "Spray Polyurea Waterproof Materials".
Scope of Application
Widely used in roofs, factories, floors, stadiums, high-speed railways, highways, bridges, tunnels, water pools, and underground engineering for waterproofing, anticorrosion, and wear-resistant layers.
Construction Method
Spray construction using special equipment.
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