ADC Technologies
ul. Krakowska 80
34-114 Brzeźnica
Tel: +48 (33) 879 22 40

AD Chemicals

Pre-treatment of aluminium - AD ALU



Precoat Cr free

Precoat Cr Free - is a product to create a clear, indelible surface coating and the aluminum. Surface-coated aluminum and elements using Precoat Cr Free does not require any rinsing. The center is ideal for coating with a bath or spraying. Preparation of coated surfaces provides excellent resistance to corrosion and coated surfaces provides excellent adhesion of organic coatings (eg for further staining.)


Immersion and spray:

Precoat Cr Free 2.5 - 3.5%
Working time: 30 - 90 seconds
Temperature: 5 - 45 ° C
pH: 4.0 ± 0.8