In the 1930s and 1940s, researchers started to find new thickeners for "multipurpose" greases. Calcium complex greases were the first, followed shortly after by the lithium and barium greases. The barium ~ greases never achieved the popularity of the lithium greases. They are heat and water resistant, but have some inherent low temperature problems and toxicological reservations.
Calcium complex greases became commercially available in the late 1940s. In recent years, this grease's share of the market has been failing. While they offer both water and heat resistance, they can be sensitive to waterbecoming firmer or softer under different conditions-and, if overheated, they tend to harden. They do, however, carry high loads in operating bearings without the addition of extreme pres-sure (EP) additives.
Complex soap-based greases were developed to improve the heat resistance of previous simple soap based greases. Combinations of additives and oils are carefully selected to maximize the performance of the greases. They generally have good mechanical stability, low temperature pumpability-some will even have good reversibility characteristics and will operate at temperatures which are moderately high. Their dropping point may be 100°F. to 200°F. (38°C. to 93°C.) higher than the dropping point of corresponding soap greases.
They are generally formed by reacting a common base with two dissimilar organic acid compounds, such as a normal soap base and complexing agents, generally of short chain metallic or organic materials and made "in situ" (in place) in the grease kettle. This makes greases to meet more demanding requirements.
MANUFACTURING PROCESS OF GREASE OIL is not very complicated. For the production, there is need usable and tried a formulation, ingredients ( additives, base oils,foam agent, pour point depressant, etc. ) and process tank. For ingredients to be used, quantities to be used and ingredients usage rankings, you should look into this formulation and manufacturing process. Therefore, formulation and productıon process of COMPLEX GREASE OIL are important. If you have not a good formulation, you cannot make healthy and efficient production of any lubricating oils.
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