Three Trees FFM181 Low Temperature Curing Two Component Acrylic Polyurethane Anti Corrosion Coating

Description :

  Three Trees FFM181 is a two-component acrylic polyurethane resin coating designed specifically for harsh environments. Its core advantage lies in its ability to cure at low temperatures, which solves the pain points of difficult construction and slow drying of traditional polyurethane coatings in cold seasons or low-temperature conditions. This product is made by reacting aliphatic isocyanates with hydroxyl containing acrylic resin, and has excellent chemical cross-linking density. It can effectively resist UV radiation, acid rain erosion, and salt spray corrosion. It mainly solves the long-term protection problem of steel structures such as port machinery, petroleum and petrochemical facilities, and large bridges in severely corrosive atmospheric environments. At the same time, it provides a high gloss decorative effect and is suitable for iconic buildings with dual requirements for weather resistance and aesthetics.

  This acrylic polyurethane anti-corrosion coating is formulated with high-quality weather resistant pigments and special additives, resulting in a dense and hard paint film with excellent light and color retention properties. Its typical solid content is high, and a thick dry film thickness can be obtained in one spray, reducing the number of construction passes. The execution standards usually comply with the requirements for superior products in HG/T 2454-2014 "Solvent based Polyurethane Coatings", with salt spray resistance of over 1000 hours and excellent performance in artificial climate aging tests. The two-component packaging ensures the independent stability of the main agent and curing agent, with a moderate shelf life after mixing, making it convenient for on-site construction operations. The aliphatic isocyanate component ensures that the paint film does not yellow for a long time, making it suitable for outdoor long-term exposure environments. It is an ideal choice for high-altitude structures that are difficult to maintain, such as power facilities and television towers.

  When selecting the three tree FFM181, it is necessary to clarify its suitability for surface protection of substrates such as steel and concrete, and it is particularly recommended for use in high corrosion risk areas such as coastal ports, chemical plants, and cross sea bridges. Compared with epoxy coatings, it has better weather resistance and is less prone to powdering and discoloration, but its adhesion is slightly inferior to epoxy primer. Therefore, it is recommended to use it with epoxy zinc rich or epoxy cloud iron intermediate paint to form a classic anti-corrosion system of "epoxy base+polyurethane surface". Not suitable for long-term immersion environments or equipment surfaces with high temperatures exceeding 120 ℃. For places with extremely high appearance requirements such as airport stations and bank buildings, their flatness and glossiness can meet high-end decoration needs, and their low-temperature curing characteristics enable them to maintain normal construction progress in autumn and winter, shortening the construction period.

  Before constructing three trees FFM181, the surface of the substrate must meet the Sa2.5 sandblasting rust removal standard to ensure that there is no oil, dust, or moisture. When mixing, it is necessary to strictly follow the ratio specified in the product manual to mix the main agent and curing agent evenly, and let them stand for 15-20 minutes to eliminate bubbles. It is recommended to use airless spraying technology, which can also be brushed or rolled, but attention should be paid to the uniformity of the coating. In daily maintenance, it is necessary to regularly check whether the paint film has mechanical damage or local rust. If any damage is found, the rust should be cleaned up in a timely manner and the same type of coating should be applied to prevent corrosion from spreading. After curing, the coating has high hardness and good wear resistance. Daily cleaning only requires rinsing with water, and the maintenance cycle is long, which can significantly reduce the anti-corrosion maintenance cost throughout the entire life cycle.

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