How to use organoclay in Grease?
When organoclay is used in Grease Lubricant, polar activator is needed. Polar activator is acetone/water(95/5). The dosage of activator is 20%-30% of the weight of rheological additive CP-250A. And also high shear can promote the dispersing of organophilic clay CP-250A.
Add modified bentonite procedure as follows:
- If condition permits, heat the base oil to 60~70℃
- Add modifier rheology CP-250A while stirring, addition level is 7%-10% of the total formulation. Stir 5~10minutes
- Add polar activator, addition level is 2%-3% of the total formulation. Then add other additives, stir 25~30m
- Use pump to help it pass colloid grinding and homogenizer.
- Deair, filtrate, pack.
Note: With High-speed dispersant of grinding machine, and properly prolong the dispersing time, better gelatin performance can be reached.
The Lubricanting grease which uses organoclay as thickener will own high dropping point, thus can be used under high temperature and presents good impermeability and water resistance.
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