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Zeller + Gmelin introduces new water-miscible cooling lubricant

Zeller + Gmelin introduces new water-miscible cooling lubricant
Photo courtesy of Zeller + Gmelin

Zeller + Gmelin, based in Eislingen, Germany, has introduced a new water-miscible cooling lubricant, which can contribute to the economical and sustainable production of a wide range of machining tasks. 

Products from this new series can be used even for the most demanding machining operations, according to lubricant manufacturer Zeller + Gmelin.

 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% offer excellent corrosion protection. 

According to studies conducted by Zeller + Gmelin during product development, the products have a good long-term stability. Various 5 and 10% emulsions were tested, made up with water at 40ยฐdH. The samples were then subjected to an aging test. The samples were stored over a period of four weeks at room temperature or at 40ยฐC. In the โ€œendurance testโ€ at 40ยฐC, the samples showed no optical changes after four weeks, which has shown good long-term stability. This significantly extends the maintenance intervals, which leads to long-term cost savings for the equipment.