Vintage car: Trabant 500 Kombi body restoration with zinc spraying

Project summary.

Vintage car body restoration with Thermal Metal Spray technology: zinc spraying and aluminium metal spraying.

Client

Oldtimer restoration specialist

Location

Pétfürdő site

Period

2025

Category

Automotive

On this project we worked with professional vintage car restorers on a highly valuable but somewhat worn Trabant 500 Kombi. We carried out the anti-corrosion restoration of the corrosion-exposed body using Thermal Zinc/Aluminium Metal Spray technology befitting the value of the vehicle.

First step: grit blasting, cleaning and surface preparation.

In the first phase of the process we use grit blasting with electro-corundum to remove all contamination and rust from the surface of the body. Only once maximum cleanliness (grade Sa3) and the right surface roughness have been achieved do we move on to applying a 150-300 micron protective metal coating of the right thickness, which provides long-term corrosion protection.

Trabant 500 Kombi body before grit blasting
What it looked like before grit blasting
Trabant 500 Kombi body after grit blasting
And what it looked like afterwards

Metal spraying: building up the metal coating.

Metal spraying the Trabant body with Zn/Al alloy
Metal spraying the body with Zn/Al alloy
Metal-sprayed underside and inner surfaces of the Trabant body
Every mm2 of the underside and the inner surfaces is treated.
Metal-sprayed Trabant body in the paint booth
Metal spraying complete, waiting to be painted in the paint booth

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Using a Zn/Al 85/15% alloy, we build up the coating with our state-of-the-art Arc Spray metal spraying equipment.

‍Zinc, aluminium and zinc/aluminium alloys are applied to the cleaned substrate in line with the client's requirements.

Complete corrosion protection for the body surface.

Trabant body painted with sand-yellow epoxy sealer primer
Painted with a sand-yellow 2K epoxy sealer primer

To extend service life, we paint the metal-sprayed surface with a high-quality, two-component, epoxy-based industrial paint system. The final paint finish is usually done by the body restoration and paint specialists.

On request, together with our subcontractor, we can also have the complete body KTL coated by immersion in a paint bath. In this electrolytic process (electro-dip coating), the cavities and the entire metal-sprayed surface are coated as well.

KTL dip coating of metal-sprayed car bodies
KTL coating of car bodies and chassis metal-coated by thermal metal spraying

Land Rovers, Bentleys, UAZs, complete truck chassis and military vehicle chassis have all been treated at our plant.

Metal-sprayed Toyota Hilux body after KTL coating
A Toyota Hilux body metal-sprayed by us, after KTL coating

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