This product is a kind of multifunctional and stable phosphating solution successfully developed after analyzing the unstable factors of conventional zinc calcium phosphating solution. This product can be applied to the final antirust of casting and the insulation treatment of micromotor rotor.
1、 Technical index
Projects | Technical index | Test standard | |
appearance | Colorless Transparent Liquid | Visual inspection | |
acid value(6%) | Free acid(FA) Pt | 2.2±0.3 | Neutralization method |
Total acid(TA) Pt | 22±2.0 | ||
proportion g/ml | 1.4±0.02 | Specific gravity method | |
Appearance of phosphating film | grey | GB/T 6807-86 |