♦ Product Features: HS-606 chromium-free passivator
※ It does not contain elements such as chromium, lead, cadmium or mercury
※ Salt spray resistance for over 48 hours, with outstanding anti-corrosion ability
The operation is simple and convenient, and there are no special requirements for the environment
Colorless, odorless, non-toxic, safe and reliable
♦ Scope of application:
It is used for passivation and anti-oxidation treatment of aluminum, zinc and their alloy materials
♦ Physical and chemical properties:
1. Appearance: Colorless and transparent liquid;
2. PH: 3-5
3. Processing temperature: Room temperature;
4. Treatment method: Soaking
5. Usage concentration: 8-10%
6. Processing time: 3 to 5 minutes
♦ Usage Method:
After the workpiece undergoes surface adjustment treatment, it can be directly immersed in the working solution of 8-10%HWS-606 chromium-free passivator for 3-5 minutes
♦ Process flow:
Workpiece to be processed - Degreasing - rinsing with clean water - surface conditioning - passivation - rinsing with clean water - (optional) (washing with pure water) - Drying or air-drying
♦ Precautions:
Please thoroughly clean the tank before preparing the bath solution
2. It is best to conduct a salt spray test or let the coating stand for 24 hours after passivation
The drying temperature should not exceed 65℃