Surface Finishing Services

Solnit uses dozens of surface treatment processes to improve the corrosion resistance, wear resistance, appearance and other performance of CNC machined parts to meet the requirements of different application conditions.

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Surface-Finishing-Services

Common Types of Surface Treatment

Finish Type Applicable Materials Description
As machined Metal, plastic Roughness of approx. 3.2 μm (126 μin) removes burrs and sharp edges.
Electroplating Metal Deposits metal to improve corrosion resistance, hardness and appearance.
Anodizing Metal Forms an oxide film to improve corrosion resistance, hardness, abrasion resistance and aesthetics.
Powder Coating Metal Powder coated and cured to enhance corrosion resistance, impact resistance and aesthetics.
Painting Metal, plastic, ceramic, Composite materials The spray gun evenly applies liquid paint for a smooth, shiny surface.
Brushing Metal Forms a continuous fine texture to improve appearance, slip resistance, and reduce light reflection.
Sand Blasting Metal, plastic, ceramic Abrasives are sprayed onto surfaces to clean, polish or increase surface roughness.
Black Oxide Metal Produces a black or dark oxide film that increases corrosion resistance, abrasion resistance and oxidation resistance to enhance appearance.
Teflon Coating Metal, plastic, ceramic Forms a Teflon film for improved corrosion resistance, high temperature resistance and low friction performance.
Electrophoretic Metal Even deposition of paint, uniform coating and strong adhesion.
Passivation Metal Forms an oxidized protective film to improve corrosion resistance.
Alodine Metal Transparent protective coating for improved corrosion resistance and surface hardness.
Chromate Metal Formation of passivation film for enhanced corrosion and oxidation resistance.
PVD Metal, ceramic, plastic The paint evaporates and condenses to form a thin film, improving abrasion resistance, corrosion resistance and aesthetics.
CVD Metal, ceramic The chemical reaction forms a thin film that improves abrasion resistance, high temperature resistance and corrosion resistance.
Electroless Plating Metal, plastic Homogeneous deposition of metallic coatings to improve corrosion resistance, abrasion resistance and electrical conductivity.
Electropolishing Metal Electrolysis removes minor surface imperfections and enhances smoothness and brilliance.
Polishing Metals, plastics, ceramics Rubbing or grinding surfaces to enhance smoothness and brilliance.
Silk Screen Metal, plastic The ink is embossed through a screen to print patterns and text.
Laser Engraving Metal, plastic The laser beam heats, melts or evaporates to mark, engrave or pattern engraving.

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