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Polyurea is a coating reacted by isocyanate component (referred to as Part A) and amide component (the R component). Following the high-solids coatings, waterborne coatings, radiation curable coatings, powder coatings and other low (no) pollution coating technologies, Spray Polyurea Elastomer (referred SPUA) technology is a new solvent-free, pollution-free green construction technology which is developed to meet environmental requirements in nearly two decades abroad. Praised as “omnipotent” ideal material in the coating technology field, Spray Polyurea Elastomer technology is the greatest discovery in the late 20th century. It’s a revolutionary leap of traditional construction technology which combines new technology new material and new procedure together. It established a higher standard for the material protection industry which broke the traditional concepts of anticorrosion and protection.
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 without sagging.
*Dense coating, seamless, with good flexibility.
*High adhesive strength, fast bonding well on steel, concrete, wood, glass fibers and other substrates.
*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 maintenance cost for lifelong
*Extend the service life of sprayed structure
Products information
Item | Part A | Part B |
Appearance | Pale yellow liquid | Adjustable color |
Specific gravity (g/m³) | 1.12 | 1.05 |
Viscosity(cps)@25℃ | 800 | 650 |
Solid content (%) | 100 | 100 |
Mix ratio(by volume) | 1 | 1 |
Gel time (second)@25℃ | 4-6 | |
Surface dry time(second) | 15-40 | |
Theoretical coverage (dft) | 1.08kg/m2 film thickness:1mm | |
2. Specifications
Adhesive strength (concrete base) 2.9 Mpa( or substrate broken)
Adhesive strength (steel base) 11.3 Mpa
Tear strength 80.6kN/m
Tensile strength 17.8Mpa
Elongation 472%
Penetrate resistance 2.3Mpa
Temperature variation -40------+120°C
Wear resistance (700g/500r) 5mg
Acid resistance (10%H2SO4 or 10%HCI, 30d) no rust no bubbles no peel
Alkali resistance 10%NaOH, 30d no rust no bubbles no peel
Salt resistance 30g/L, 30d no rust no bubbles no peel
Salt spray resistance 2000h no rust no bubbles no peel
Oil resistance 0# diesel crude oil 30d no rust no bubbles no peel
3. Recommend procedures of spray polyurea
No. | Name of products | Layers | Dry film thickness(μm) |
1 | SWD polyurea special primer | 1 | 50 |
2 | SWD two components pure polyurea | 1 | 2000 |
Total |
| 2 | 2050 |
4.Application scopes Anticorrosion and waterproof of construction, chemical, traffic metallurgy, power generation, aerospace, marine, shipping and many other areas.
