The Surpass MT-A600 Series powder coating is a high-performance coating designed specifically for computer cases, including desktop and notebook enclosures. It combines excellent aesthetic appeal with superior physical and chemical properties, ensuring durability and reliability in demanding environments.
High-Gloss/Matte Finish: Offers a smooth, uniform, and high-quality appearance, available in various textures (e.g., metallic, brushed).
Excellent Adhesion: Achieves 0-level adhesion (GB/T 9286), ensuring long-term durability and resistance to peeling.
Wear and Impact Resistance: Withstands 50 kg·cm impact (GB/T 1732) and 500 cycles of Taber abrasion (CS-10 wheel, 1 kg load) without visible damage.
Chemical Resistance: Resists 99% IPA (isopropyl alcohol) for 24 hours, household cleaners, and oils without surface degradation.
Anti-Pollution Performance: Effectively repels fingerprints, dust, and stains, maintaining a pristine appearance.
Desktop Computer Chassis: Ideal for gaming PC cases, workstation enclosures, and custom-built systems.
Notebook Computer Enclosures: Suitable for premium laptop shells, 2-in-1 convertibles, and ruggedized devices.
Peripheral Equipment: Used for monitors, printers, and server cabinets requiring a professional, durable finish.
| Performance Indicator | Test Method | Specification |
|---|---|---|
| Resistivity | GB/T 6554 | ≥ 10¹⁴ Ω·cm |
| Adhesion | GB/T 9286 | 0-level (cross-cut test) |
| Impact Resistance | GB/T 1732 | ≥ 50 kg·cm |
| Bending Flexibility | GB/T 6742 | ≤ 2 mm |
| Erichsen Cupping | GB/T 9753 | ≥ 6 mm |
| Salt Spray Resistance | GB/T 1771 | ≥ 500 hours (≥ Grade 9) |
| Humidity Resistance | GB/T 1740 | ≥ 1000 hours (slight gloss reduction) |
| Taber Abrasion | ASTM D4060 | ≥ 500 cycles (CS-10 wheel, 1 kg load) |
| Alcohol Resistance | Internal Test | 99% IPA, 24 hours (no surface damage) |
All tests were conducted on 0.8 mm cold-rolled steel plates with a coating thickness of 60–80 μm.
Performance indicators may vary slightly depending on gloss level and environmental conditions.
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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