According to Zeller + Gmelin, the new water-miscible Zubora cooling lubricants make a convincing contribution to economical and sustainable production for a wide range of machining tasks. Products from this new series can be used even for the most demanding machining operations.
For example, Zubora 57 H Plus is also ideally suited for grinding as a lubricant for medium-duty machining operations. The Extra and Ultra products are even more powerful.
Due to a high proportion of polar additives, Zubora 57 H Extra guarantees an outstanding reliability even for difficult machining tasks. With additional EP/AW additives, Zubora 57 H Ultra (for hard water) or Zubora 57 S Ultra (for soft water) ensures maximum process reliability even for the most difficult machining tasks. In addition, the semi-synthetic lubricants with a mineral oil content of 30 percent offer excellent corrosion protection.
As studies from the development of lubricants at Zeller + Gmelin show, the products have a good long-term stability. Various 5 and 10 percent emulsions were tested, made up with water at 40°dH. The samples were then subjected to an aging test. The samples were stored over a period of four weeks at room temperature or at 40°C. Even in the “endurance test” at 40°C, the samples show no optical changes after four weeks, which has shown a good long-term stability. This significantly extends the maintenance intervals, which leads to long-term cost savings for the equipment.
Zeller + Gmelin GmbH & Co. KG, founded in 1866, employs over 900 people worldwide, almost half of whom work at the headquarters in Eislingen. With its 16 subsidiaries, the medium-sized company operates worldwide. The prod-uct portfolio is divided into the business areas of lubricants, industrial chemistry and printing inks. The high-quality products occupy a leading position on the international market. Zeller + Gmelin offers individual and holistic solutions from a single source, from research and development to production. Just how high the R&D share is, is shown not least by the fact that around 20 percent of the employees in Eislingen work in this area in order to permanently develop and optimise the innovative products in line with market and customer requirements. http://www.zeller-gmelin.de
Zeller+Gmelin GmbH & Co. KG
Schlossstrasse 20
73054 Eislingen/Fils
Telefon: +49 (7161) 802-0
Telefax: +49 (7161) 802-290
http://www.zeller-gmelin.de
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