Anodising
A hard, protective oxide layer on aluminium, natural or coloured.
Powder coating
A wear-resistant, even coating for metal parts, in many colours and textures.
Wet painting
For specific colours and gloss levels, also on plastic parts.
Plating
Galvanic metal layers such as chrome, nickel or zinc plating, for protection or appearance.
Passivation
Improves the corrosion resistance of stainless steel.
Polishing
Smooth to high-gloss surfaces, also for transparent plastics such as PMMA.
Brushing
An even, brushed texture for visible parts.
Blasting
Bead or sand blasting for a uniform matt texture or as pre-treatment.
Function and appearance
A surface treatment often has several functions at once: protection against corrosion and wear, a uniform appearance and sometimes electrical or thermal properties. The right choice depends on material, environment and use.
We include the finish in the design from the start, because layer thicknesses, masking and contact points affect dimensions and assembly. The agreed finish is fixed in the specification.
One chain, one responsible party
Because production, machining and finishing fall within one route, you do not need separate arrangements with a coater or plater. Exten coordinates the sequence of operations, transport steps and inspection against the agreed specifications.
Examples from practice: the chrome-plated visible parts in the coffee machine case and the coating of the wheelchair parts.