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What are the characteristics of pure epoxy powder coating
source：shbeking.com | Release time：2026年01月21日1. Strong adhesion and anti-corrosion performance
It has good adhesion to metal substrates such as steel and aluminum alloys, and can form a dense protective film after curing, effectively blocking the contact between water vapor, acidic and alkaline media and metal surfaces. It has excellent salt spray resistance and chemical corrosion resistance, and is suitable for outdoor steel structures, pipelines, and metal parts with high anti-corrosion requirements. The salt spray test time can reach more than 500 hours.
2. Good mechanical strength and wear resistance characteristics
The cured coating has high hardness, usually up to 2H-4H, excellent impact resistance and scratch resistance, and can withstand certain external collisions and friction. It is not easy to cause coating damage or detachment, and can meet the coating requirements of engineering machinery, machine tool equipment, automotive parts, etc. for wear resistance and impact resistance.
3. Solvent free and environmentally friendly, convenient and efficient construction
It belongs to 100% solid powder coating, does not contain volatile organic compounds (VOCs), has no solvent volatilization pollution, meets environmental protection coating standards, and avoids the odor and pollution problems of traditional solvent based coatings. During construction, electrostatic spraying technology is used, which has a high powder utilization rate. Excess powder can be recycled and reused, reducing material loss and coating costs; Fast curing speed, capable of rapid film formation through high-temperature baking, suitable for mass production on assembly lines.
4. Good leveling and decorative effect
After curing, the surface of the coating is smooth and flat, with good leveling properties, and can present various gloss effects such as matte and semi gloss. The color is uniform and stable, and can balance protective function and basic decorative needs. However, its weather resistance is relatively weak, and it is prone to powdering and yellowing when exposed to outdoor sunlight for a long time. Therefore, it is more suitable for indoor or concealed metal component coating.
5. Clear curing conditions, stable and controllable performance
It needs to be baked and cured at a specific temperature (usually 180 ℃ -200 ℃) and time (15-20 minutes). The curing process parameters are easy to control, the coating performance is stable, and there is little difference between batches. At the same time, powder coatings are easy to store and not easily deteriorated at room temperature, so there is no need to worry about solvent leakage risks during transportation and storage.
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