Surface Coating for Aluminum in the Aviation Industry

Maximum Durability and Perfect Aesthetics for Aluminum Components in Aircraft Cabins

EPG AG offers an innovative sol-gel coating, Saphiral®, as a powerful solution for aluminum components in aviation. This surface technology significantly increases resistance to corrosion, abrasion, and chemical influences while creating homogeneous and visually first-class surfaces.

Highest resistance under extreme conditions
Longer lifespan and better performance
Elegant design for interior and exterior areas
Protection against corrosion and abrasion
Interior view of a modern aircraft cabin in business class - focus on design, comfort, and high-quality surface materials.
Aluminum component with matte, anodized-like coating in industrial fixture in the aviation industry

Challenges in Aluminum Refinement

Aluminum is the preferred material in the aviation industry due to its low weight and high stability. However, aluminum alloys often contain elements such as magnesium, silicon, copper, and zinc, which make the material susceptible to corrosion and optical irregularities. Until now, the anodizing process (Eloxal) was frequently used, but it has clear disadvantages:

Optically inhomogeneous surface: especially with Al7xxx alloys, visually uneven results occur after the anodizing process.
Low chemical resistance: anodized components are susceptible to damage from cleaning agents, sunscreen, or sweat.
Saphiral®

The Powerful Alternative to the Anodizing Process

Our sol-gel-based surface coating Saphiral® offers a convincing alternative to conventional anodizing and ensures permanently homogeneous and high-quality aluminum surfaces.

Advantages of Saphiral®:

High Corrosion Protection
Optimal scratch and abrasion resistance for highest requirements
Resistance to aggressive chemicals
Perfect optical homogeneity - regardless of the aluminum alloy
Individual homogeneous color design through color pigments in the Sol-Gel
Milled metal part with technical coating for applications in the aviation industry - functional, lightweight, corrosion-resistant.

High-precision and Modern Coating Process

Our sol-gel coating is customized to meet customer requirements and applied in a precise, computer-controlled process: Saphiral® also scores in contact with food. The coating meets environmental and health standards and ensures sustainable material protection.

1
Customer-specific formulation of the coating according to highest quality standards.
2
Precise application via a computer-controlled spray process.
3
Thermal curing optimized for the respective aluminum alloy.
4
Flexible application: Directly on aluminum or as a top coat on anodized surfaces.
Uniformly coated metal components with anodized-like surface in aviation industry production.

Your Advantage with Saphiral®

Uniform, high-quality appearance of your components
Preservation of metallic feel through extremely thin coating
Individual color adaptation according to customer requirements
Long-term resistance to abrasion, chemicals, and corrosion
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Future-proof surface solutions for the aviation industry

Secure an innovative and durable coating technology for your aluminum components with Saphiral®. Contact us for more information and individual advice!
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