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COATING
NOTES.

Short, practical notes on powder coating — process, colour and care.

WHAT IS ELECTROSTATIC POWDER COATING?

A solvent-free coating method: electrically charged dry powder is sprayed onto a grounded metal part and melts into a film in the oven.

Five stages in sequence: cleaning, pre-treatment, electrostatic spraying, oven curing and final inspection.

Durability, environmental impact, film thickness and cost behave differently between the two methods.

Any metal that conducts electricity and withstands the curing oven — steel, aluminium, galvanised sheet and more.

The European colour standard that turns "dark grey" into a precise, repeatable definition.

Gloss level doesn't just change the look — it also changes how visible fingerprints and surface flaws are.

Polyester-based powders resist UV; epoxy belongs indoors. The wrong choice fades and chalks within a season.

Decades indoors; 10–20 years outdoors depending on powder type, exposure and surface preparation.

Curing isn't drying. Heat turns loosely bonded powder into a cross-linked film locked onto the metal.

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