Pre - treatments
- Phosphating wiht passivation on a 6 stage pre-treatment line of 60 meters pre-tretment suitable for exterior use.
- Phosphating on a 4 stage pre-tretment line of 18 meters.
- Phosphating of larg size parts with 3 stage pre-tretment in passivated spray equipment.
- Pre-treatment products are dried at 110 – 125 C° in the last step.