【Product Introduction】
● Polyurea topcoat is an active solvent coating, two-component, hand-brushed polyurea ductile material, which is formed by bonding raw materials such as semi-prepolymer, amine-terminal polyether, and time-delay diamine chain extender.
【Scope of application】
It is suitable for all concrete surfaces, metal tanks and internal and external surfaces of pipelines of national key engineering projects, and has been widely used in urban subways, high-speed railways, tunnels and bridges, water conservancy and electromechanical, petrochemical, marine drilling, military and civilian dual-use and other engineering fields.
【Product Features】
● 1. Rapid curing, gel, 3~4 hours of rapid film formation, continuous spraying of the façade without sagging
2. The coating is dense, continuous, smooth, no joints, and has superior waterproof and anti-corrosion properties
3. Strong thermal stability, can be -50~150°C short-term temperature impact
4. Excellent physical properties, good strength, high elongation, good flame resistance and flame retardant, low fire spread rate, and self-extinguishing 5. Good weather resistance (referring to aliphatic), no chalking, no cracking, no falling off for long-term outdoor use
【Construction technology】
● Construction base requirements: the base surface should be kept flat, free of dust, and open water before construction
Mix the AB material in strict accordance with the 1:1 mass ratio and stir evenly, usually stirring for 5-10 minutes, and use it with a scraper or roller. AB material mixing needs to be completed within 1 hour. The surface drying time of the material is 2 hours, and the drying time is 12 hours.
Reference dosage: 0.4KG per square roller coating, the recommended dosage
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