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🎨 Painting

Painting is the process of applying a liquid coating (wet paint) that cures into a protective film.

🔑 Properties

  • Thickness: usually 15–30 microns per coat.

  • Can be applied by spray, brush, or dip coating.

  • Wide range of colors, gloss levels, and textures.

  • Protects against corrosion and provides aesthetic appeal.

Advantages

  • Inexpensive.

  • Unlimited color options.

  • Easy to apply and touch-up.

  • Good for large or irregularly shaped parts.

🛠️ Applications

  • Automotive body parts.

  • Industrial machinery.

  • Construction equipment.

  • Household appliances and furniture.

Powder Coating

Powder coating uses a dry, free-flowing powder (thermoplastic or thermoset) that is electrostatically charged and sprayed onto a grounded metal part, then cured under heat.

🔑 Properties

  • Thickness: usually 60–120 microns.

  • Forms a hard, tough, and smooth surface.

  • Available in many colors, textures, and finishes (glossy, matte, metallic).

Advantages

  • Much more durable than painting.

  • Resistant to chipping, scratching, and fading.

  • Provides good corrosion resistance (with proper pretreatment like phosphating).

  • Eco-friendly — contains no solvents (unlike paint).

🛠️ Applications

  • Car wheels, chassis parts.

  • Outdoor furniture, fences, and railings.

  • Appliances (refrigerators, washing machines).

  • Architectural metalwork (aluminum profiles, building facades).

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