Aluminum Profile Powder Coating is a high-performance coating system designed for aluminum alloy profiles and architectural aluminum components. You benefit from a durable coating made from saturated polyester or polyurethane resins that offers excellent weather resistance, UV stability, chemical resistance, and heat resistance. This coating maintains both aesthetic appeal and mechanical performance in demanding outdoor and indoor applications, providing long-term protection and color retention.
You can apply this powder coating to a wide range of aluminum-based products, including:
Aluminum alloy profiles for residential and commercial construction
Curtain wall panels and aluminum gussets
Aluminum doors, windows, and window frames
Aluminum ceilings and decorative panels
High-speed guardrails and safety barriers
Tested application products include:
Extruded aluminum window frames
Curtain wall panel systems
Architectural aluminum ceiling panels
Outdoor guardrail components
| Item | Description |
|---|---|
| Base Material | Saturated polyester or polyurethane resin |
| Product Series | Primid Polyester, TGIC Polyester, Polyurethane, Transfer Wood Grain |
| Film Thickness | 60–80 µm |
| Adhesion | ISO 2409 / ASTM D3359, Class 0 |
| Hardness | ASTM D3363, ≥ 2H |
| Weather Resistance | ISO 11341 / ASTM G154, 5–15 years engineering quality assurance |
| UV Resistance | Excellent, minimal color change over extended exposure |
| Heat Resistance | Up to 200 °C for short-term exposure |
| Chemical Resistance | Resistant to mild acids, alkalis, and cleaning agents |
| Application Method | Electrostatic powder spraying |
| Curing Conditions | 180–200 °C for 10–15 minutes depending on substrate |
| Storage | Dry, cool environment <30 °C, sealed container, 12-month shelf life |
You achieve excellent weather and UV resistance, ideal for outdoor architectural applications
You gain strong adhesion and mechanical strength for long-lasting performance
You can select from a variety of polyester, TGIC, polyurethane, and transfer wood grain types in multiple colors
You benefit from chemical and heat resistance suitable for industrial and residential settings
You receive engineering-grade quality assurance for 5–15 years depending on the product series
A commercial curtain wall manufacturer applied TGIC polyester powder coating to aluminum panels. You achieve uniform film coverage, excellent gloss retention, and superior weather resistance. After five years of outdoor exposure, the panels maintain color stability and structural integrity, demonstrating the coating’s long-term performance and durability.
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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