This product is a new generation of phosphating solution. It is developed on the basis of referring to foreign technology and integrating all kinds of coating agents. It is mainly used for coating pretreatment of cold-rolled sheet and galvanized sheet. It can be matched with electrophoresis, electrostatic spraying, spray painting and other coating processes.
1、 Main technical specifications
Projects | Indicators |
appearance | Colorless Transparent Liquid |
PH value | 1.0±1.5 |
Specific gravity 20 ℃ | 1.08g/㎝3 |
Appearance of ceramic film | The film is light blue to colorless |
2、 Main features
1. The mixing tank and the adding liquid use the same agent, without accelerator, simple operation and convenient management.
2. The product has good stability, no precipitated slag, long service life and low comprehensive cost.
3. The nano ceramic film is uniform and dense, and has strong corrosion resistance and film resistance.
4. This product has no phosphorus, no chromium, no heavy metal, no nitrite, is the current domestic environmental protection products.
3、 Usage and precautions
1. Treatment process: degreasing → washing → washing → pottery → washing → drying
2. Working fluid preparation: prepare 2% working fluid and stir it evenly.
3. Process parameters:
PH value: 0.5-0.5
Treatment temperature: normal temperature treatment time: spray: 1-3min
4. As the concentration of working solution changes continuously in the process of continuous treatment, it is necessary to measure the concentration of each index regularly to keep each index within the specified process concentration range.
4、 Packaging, storage and transportation
Packed in 20 or 30 kg plastic barrels, the storage and transportation temperature shall not be lower than 0 ℃.