[Product Description]
Die casting aluminum passivator, according to different die casting aluminum pretreatment process to develop corresponding solutions, improve the adhesion and corrosion resistance of the coating.
[Performance Characteristics]
Free of hydrofluoric acid, low corrosion of tank liquid, safe and environmentally friendly
No nitric acid, no yellow smoke, no odor
Strong universality, suitable for various models of die cast aluminum and the whitening of die cast aluminum workpieces with different structures
The tank liquid is stable without layering, decomposition, and can be reused repeatedly
[Scope of Application]
Suitable for cleaning different series of die cast aluminum surface release agents or removing surface black ash after alkaline washing, and passivating workpieces to improve corrosion resistance.
[Reference process]
1. Pre degreasing → main degreasing → water washing → water washing → passivation → water washing → drying
2. Pre degreasing → main degreasing → water washing → whitening → water washing → passivation → water washing → drying