KRB-L109 alkaline silane treatment agent
KRB-L109 is an environmentally friendly phosphorus-free silane conversion coating product for ferrous
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Details Introduction
KRB-L109 is an environmentally friendly phosphorus-free silane conversion coating product for ferrous and non-ferrous metals to replace traditional phosphating solutions. KRB-L109 to improve the adhesion quality of the coating, the bath is stable, easy to operate, and no water washing. The product replaces phosphating solution, super leveling, there is no mark, white circle, long bacteria, odor and other problems, bare film rust-proof time is long and powder binding force is strong.
Technical Data
|
Technical indicators |
Spray |
Soak |
|
Concentration, %, v/v |
2-3 |
3-5 |
|
OperationpHValue |
7.2—8.5 |
8.0—9.0 |
|
Processing time, min |
1-2 |
4-8 |
|
Operating temperature |
20-30 °C |
|
Typical process
KRB-L109 are usually used as follows:
Degreasing à water washing à degreasing à water washing à KRB-L109 à drying à spraying
Some workpieces may require a water or deionized water rinse before drying. The peak temperature of metal drying should not exceed 100°C.
Trough construction and maintenance
When changing the tank, thoroughly clean the liquid tank, washing tank, water pump, pipe, nozzle, etc.
Add water to the tank (recommend deionized water) to 2/3 of the height of the tank
· Add the required amount of KRB-L109, typically 4%
Open the pump to the maximum circulation tank for 5 minutes to mix the liquid.
· Simultaneously add water to the desired height during stirring
Continue to start the pump to mix the tank for 5 minutes
· Determine the pH value of the bath solution, which should be kept within the range of 7.5-8.5
The tank can be used after construction.
Maintenance
The pH of the bath should be measured at least once a day, and the smaller bath should be measured every 4 hours.
Add stock solution timely and keep the pH value of the bath solution within the recommend range of 7.5-8.5.
Coating quality
The coating is nearly colorless, and the coating weight cannot be determined by weighing, but can be determined by X-ray fluorescence.
Product packaging: 25KG/barrel 200KG/barrel stored in a cool, dry and ventilated place.
Key words:
Industrial cleaning agent
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