| Appearance: | Liquid |
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| Main Raw Material: | Polyurethane |
| Method: | Roller |
| Drying Method: | Drying |
| Certification: | ISO9001 |
| Components: | Film Forming Matter |
| Samples: |
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| Customization: |
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STWD850 solvent-free nano-modified polyurea heavy-duty anti-corrosion coating is a combination of inorganic zirconia and modified polyurea matter with high cross-linking density. The inorganic zirconia has high hardness, high wear resistance, high toughness, high corrosion resistance and temperature resistance. This combination forms a rigid and flexible anti-corrosion coating. It can effectively prevent the penetration of corrosive media such as vapor, acid, alkali, salt, and chloride ions under hot and cold alternation, and its ultra-high wear resistance and impact resistance can also be used for the protection of some substrate surfaces.
Product features and advantages
*The coating is dense, with high hardness and good toughness, which can resist cyclic stress failure of steel structures and small cracks in concrete
*It has excellent adhesion to various metal and non-metallic materials (the surface adhesion of Sa2.5 grade steel can reach over 20MPa)
*It is can be used as primer and middle coating, and there is no need for a specialized primer to be used together. Excellent adhesion and corrosion resistance can be achieved on the surface.
*Good heat resistance and sudden temperature-changing resistance
*Excellent impact resistance, collision resistance, and wear resistance
*Excellent resistance to chemical media, such as acid, alkali, salt, etc.
*Excellent corrosion resistance, able to withstand various high concentrations of strong acids and alkalis
*Solid content above 98%, no organic VOC volatilization, environmentally friendly, odorless, and environmentally friendly
*Super strong corrosion resistance, wear resistance, and impact resistance reduce lifetime maintenance costs
*Extending the Service Life of Sprayed Structures
Product application scope
Chemical industry, oil refining, power generation, metallurgy and other industries that have high acid and alkali corrosion resistance; equipment inner wall, desulfurization tower and flue, Cesspit, container, storage tank and other fields that used under high temperature environment.
Product Physical Properties
| Item | Part A | Part B |
| Appearance | Light yellow liquid | Colod adjustable |
| specific gravity (g/m³) | 1.23 | 1.6 |
| viscosity(cps)@25ºC | 200±100 | 20000±500 |
| Solid content (%) | 98±2 | 98±2 |
| Mixing ratio(by weight) | 1 | 4 |
| Surface dry time(h) | 3-6h(25ºC) | |
| Recoating time (h) | Min 3h; max 24h(25ºC) | |
| theoretical coverage (dry film thickness | 0.25kg/m2 Film thickness 150μm | |
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