High gloss powder coating is a kind of excellent performance coating, with the following characteristics:
- Appearance performance: high gloss, can present the extreme gloss saturation and excellent light reflection performance, make the surface of the object bright and gorgeous, decorative strong.
- Composition and environmental protection: mainly composed of polyester resin, will not produce organic solvent evaporation problem, green and safe.
- Application scope: widely used in aluminum alloy doors and Windows, indoor metal furniture, cars, home appliances, file cabinets, radiators, fitness equipment and other metal products surface coating, but also can be used in outdoor sports equipment, toys, etc.
Most powder coating is used by electrostatic spraying on metal surface, and then cure in oven, eventually form a solid layer.
| Test Item | Test Result | Significance |
| Film Thickness | 60-80um | Optimal coating thickness ensures good coverage and adhesion. |
| Pencil Hardness | HB-H | Moderate hardness provides excellent scratch resistance. |
| Bending | ≤10mm | Excellent flexibility, allowing the coating to bend without cracking. |
| Grid Test 1mm | 0 Class | Superior adhesion, with no peeling in the 1mm grid test. |
| Impulse Test | Pass | Excellent impact resistance, passing the impulse test. |
| Cupping Test | ≥8mm | Good ductility, capable of withstanding stretching without breaking. |
| Heat Resistance 1000 hours | Popping<1mm | Exceptional heat resistance, with less than 1mm popping after 1000 hours. |
| Salt Spray 1000 hours | Corrosion Spreading | Excellent corrosion resistance, performing well in salt spray tests. |
♦Electrical Household Appliances
♦Aerospace Area
♦Automotive Electronics
♦Fitness Equipment
♦Track Traffic
♦Medical Devices
♦Petroleum Pipes, Valve
♦Tools & Hardware
♦LED Lights, Outdoor Lamps
♦Radiator & Heat Sink
♦Glass Decoration
♦External Facilities
Powder coatings can be categorized by resin system (epoxy, polyester, hybrid, polyurethane), appearance (smooth, texture, hammer, metallic, pearlescent), or performance level (anti-corrosion, heat-resistant, UV-resistant, architectural grade, automotive grade).
Powder coatings offer thousands of colors in gloss, matte, satin, metallic, candy, texture, wrinkle, hammer tone, wood grain, fluorescent, and other custom effects. Special powders can create soft-touch, anti-scratch, anti-fingerprint, or anti-graffiti surfaces.
The process generally includes surface pretreatment (degreasing, phosphating, chromating, sandblasting), drying, electrostatic spraying, curing in an oven, and cooling. A well-controlled pretreatment and curing process ensures strong adhesion and long service life.
Powder coatings are environmentally friendly, solvent-free, and produce minimal waste. They offer excellent corrosion resistance, weather durability, mechanical strength, and uniform film appearance. The coating is tough, impact-resistant, scratch-resistant, and has a long lifespan.
Powder coatings are widely used in appliances, aluminum profiles, architectural components, automotive parts, bicycles, furniture, outdoor equipment, machinery, electrical cabinets, pipeline systems, and general industrial and consumer goods.
Powder coating is a dry finishing technology where finely ground powder is electrostatically sprayed onto a metal or non-metal surface and then cured at high temperature. After curing, the powder melts into a continuous, durable, and decorative coating layer.
Powder coating protects the substrate from corrosion, weathering, chemical attack, and mechanical wear. It also provides decorative appearance with rich colors, gloss levels, textures, and special effects.
In many industrial applications, powder coating outperforms liquid paint. It forms a thicker and tougher coating, resists corrosion and chemicals better, and does not contain VOCs. It also provides excellent consistency and cost-effective mass production.
It is called powder coating because the coating material is a solid powder instead of a liquid paint. The coating is formed by melting and curing powder particles under heat.
Powder coatings include several families depending on resin chemistry:
• Epoxy powders
• Polyester powders
• Epoxy-polyester hybrid powders
• Polyurethane powders
• Acrylic powders
• Fluorocarbon (PVDF) powders
Each type has its own performance features such as corrosion resistance, UV resistance, chemical resistance, outdoor durability, or decorative properties.
Powder coatings are based on thermoset or thermoplastic resins combined with pigments, curing agents, fillers, additives, and in some cases metallic or effect particles. Common substrates include steel, aluminum, galvanized metal, MDF, and certain heat-resistant plastics.
The lifespan depends on powder type, film thickness, application method, pretreatment, and service environment. Indoor coatings can last more than 10–20 years. High-grade outdoor polyester or fluorocarbon powders can last 15–25 years or longer under UV exposure.
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