Epoxy anti-corrosion topcoat
This paint is a two-component system. Component A is processed and formulated from epoxy resin, pigments, body pigments, auxiliaries, and mixed solvents. Component B is the curing agent.
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Product Description
Various colors of epoxy anti-corrosion topcoat
This paint is a two-component system. Component A is processed and formulated from epoxy resin, pigments, fillers, additives, and mixed solvents. Component B is the curing agent.
Features
This paint can be cured at room temperature or by high-temperature baking. The cured coating has strong adhesion to the substrate, high mechanical strength, strong corrosion resistance, and also features moisture resistance, water resistance, alkali resistance, and salt spray resistance indicators etc.
Uses
This paint is suitable for the protection and decoration of surfaces of various large steel structures under severe corrosive conditions. It can also be used as a protective coating for the internal and external walls of water storage and oil storage devices. It should not be used externally, as the coating is prone to chalking.
Technical Specifications
| Item | Index | |
| Coating color and appearance | Various colors, tone not controlled, film flat | |
| Fineness μm | ≤ | 50 |
| Viscosity (Coating-4/25℃) S | ≥ | 60 |
| Surface dry 25℃ h | ≤ | 4 |
| Hard dry 25℃ h | ≤ | 24 |
| Adhesion grade | ≤ | 2 |
| Impact strength kg/cm | 50 | |
| Flexibility mm | 1 | |
| Hardness | ≥ | 0.5 |
| Water resistance (tap water) 48h | No significant change | |
| Salt water resistance (3% NaCl) 72h | No significant change | |
| Alkali resistance (10% NaOH) 72h | No significant change | |
| Gasoline resistance 48h | No significant change | |
Construction Reference
1. Application methods: brushing, roller coating, spraying.
2. Spraying viscosity: 20-25S (Coating-4/25℃).
3. This paint should be applied over a matching primer. Before application, component A and component B should be stirred thoroughly and separately. Then, mix uniformly according to the paint ratio: Component A:Component B = 100:17 (by weight). After mixing, let it mature for 20 minutes before application. The prepared paint should be used within 4-6 hours.
4. If the prepared paint has high viscosity and is not suitable for application, its viscosity can be adjusted with the special thinner for this paint. The amount of thinner generally should not exceed 10% of the total amount.
5. The application temperature of this anti-corrosion paint should be above 10℃. Curing will be difficult below this temperature.
6. After application, all tools, containers, etc., used should be thoroughly cleaned with thinner.
7. Recoating interval 12-24h, temperature 20-25℃, theoretical coverage 150-210g/m².
8. This paint cannot be used outdoors; long-term outdoor use is prone to chalking.
9. The coated equipment should be allowed to dry for 7-15 days before use.
Storage and Transportation
1. This product should be stored in a well-ventilated, dry warehouse, protected from direct sunlight, isolated from fire sources, and away from heat sources. During summer, if the temperature is too high, measures should be taken to cool it down.
2. During transportation, this product should be protected from rain and direct sunlight, handled with care, and comply with relevant regulations of the transportation department.
3. Under the aforementioned storage and transportation conditions, the effective shelf life of this product is one year. If the shelf life is exceeded, it should be re-inspected according to these technical specifications. If it meets the technical indicators, it can still be used.
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