product manual:

SKALN Aquastar is a medium to heavy duty semi-synthetic cutting fluid with excellent lubrication and rust resistance for a wide range of black and non-ferrous metal processing. SKALN Aquastar is equipped with a variety of multi-effect extreme pressure additives and lubricants. It is excellent in lubricity and extreme pressure. It is recommended for difficult-to-machine materials such as stainless steel, various alloy steels and aluminum alloys. SKALN Aquastar has excellent bio-stability and can make working fluids for a long time without deterioration.