I. Ingredients:
Blue green powder with stable performance and good water solubility. Made from nickel salt, wetting agents, complexing agents, dust suppression agents, buffers, dispersants, surfactants and a variety of fluorine-free ingredients.

II. Functions:
Fast sealing, improve the surface gloss, lubricant feel, oxide film hardness and corrosion resistance are greatly improved. Strong anti-pollution ability. Aging time is more than two years. WF-502 meet environmental requirements and avoid the dangers of fluoride on human body. This product has a wide range of technology. Tank liquor is easy to control and has good stability. Sealing fast and tank liquor is easy to control and stable.

III. Technical range:
Nickle ion concentration: 1.0-1.8g/L
WF-502 medium temperature sealant (blending tank): 7g/L
Temperature:50-55℃
PH Value: 5.8-6.3
Time: Depending on the thickness of the oxide film, a film thickness generally 0.9min.

IV. Consumption:
WF-502 medium temperature sealant: 0.8-1.5kg/T type material

V. Using method:
Add hole sealing solution after dissolved and mix well. Use glacial acetic acid or medium temperature modifier to adjust the pH value to the range of 5.8-6.3.
This product has a high requirement of water quality. The best choice is pure water. We suggest to set up a cyclic system to avoid cross-infection. The rinsing trough must be clean and clear after hole sealing.

VI. Packing and storage:
20kg/case. Store in cool and dry condition and can be stored for a long period.