Surtec 650 / ChromitAL TCP
Chromium-VI-free conversion coating of aluminium. Qualified for aerospace and defence — excellent corrosion protection without environmentally harmful chromium-VI. This treatment is third-party approved.
Application
Surtec 650 / ChromitAL TCP is a chromium-VI-free conversion coating for aluminium that provides excellent corrosion protection and electrical conductivity — without the use of environmentally harmful chromium-VI.
The treatment is qualified for the aerospace and defence industries and is typically used as a primer for subsequent paintwork or as a standalone surface finish.
- Chromium-VI-free (RoHS / REACH compliant)
- Excellent corrosion protection
- Retains electrical conductivity
- Well suited as a primer before painting
Stjerne-Chrom A/S is a Qualified Applicator of SurTec 650 — qualified to carry out the treatment to SurTec's standard.
Qualification documents
Contact us for specifications and documentation — we tailor the process to your requirements. Documentation for the third-party approval is available on request.
Questions about this treatment?
We take pride in delivering consistent, high quality, and together with you we set the framework for how each individual part should be treated.