Powder coating process

Powder Coating

Powder Coating Finish

Powder coating is a dry film finishing process that electrostatically charges a fine polyester resin onto the part, then melts it in a 400 °F curing oven to create a uniform, chip-resistant skin 3 to 6 mils thick. The cured coating seals edges, masks slight machining marks and provides a hard scratch-resistant surface, UV stable, that outperforms liquid paint in abrasion and salt spray tests. Simply choose your color from the chart below; our technicians prepare, powder and cure your parts in a single pass, adding approximately 5-7 days to overall lead time while delivering them ready to use straight out of the box.

Durable and uniform finish for steel, aluminum and stainless steel.

Powder coating application

What is it for?

Powder coating is the go-to all-purpose finish for a metal part: it gives a uniform color and a hard surface while sealing the metal against moisture, scuffs and the road salt of our winters. It's a common choice for anything visible or exposed to the weather.

The process works on a wide range of metals. At Laseo, you can have your parts powder coated in mild steel, galvanized steel, aluminum and 304 stainless steel. It's also available on galvanneal steel, whose slightly matte surface offers excellent adhesion for the powder — a good compromise between rust protection and a durable painted finish.

For a finish that becomes an integral part of the metal rather than sitting on top of it, aluminum can also be treated by anodizing.

Why choose it

  • Durability: the cured layer resists chips and abrasion better than liquid paint, and stays UV stable.
  • Choice of colors and finishes: from matte black to glossy white, including bright tones like safety yellow, red and farm-machinery colors.
  • Careful pre-treatment: each part is cleaned and prepared before application, which masks slight machining marks and improves adhesion.
  • Outdoor ready: ideal for parts meant to face rain, salt and temperature swings.

Typical use cases

Street furniture and signage, railings and brackets, enclosures and panels, farm-machinery and heavy-equipment parts, components exposed to Canadian winters — anywhere a part needs to be both colorful and well protected.

Compatible Materials

Discover materials we can powder coat.

Technical Specifications

What you need to know about powder coating

  • We apply powder coating on mild steel, aluminum and stainless steel.
  • Hot-rolled steel may have mill scale; its finish may appear less smooth than cold-rolled steel.
  • Each part must have at least one racking hole ≥ 1/16" (1.6 mm) diameter for processing.
  • Tapped holes cannot be masked; they must be re-tapped before hardware installation.
  • Finished parts may show slight fingerprints from post-cure handling.

Available Colors

Discover our range of powder coating colors for your metal parts.

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