Boron-free, semi-synthetic high-performance cooling lubricant with
high proportion of polar additives and EP/AW additives
Due to the high proportion of polar active ingredients and EP additives, Zubora 57 H Ultra can also be used for heavy-duty machining processes. The innovative formulation ensures a high level of process reliability.
It is suitable for machining many materials from normal to tough steel grades, aluminum or cast materials.
Zubora 57 H Ultra is designed for use in hard water and has a particularly favorable foaming behavior with preparation water qualities of over 12°dH.
Recommended hardness range of the preparation water:
12 to 24° dH (210 – 430 ppm CaCO3).
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