Chemetall has introduced Tech Cool 35048BF, a microemulsion coolant that contains no boron, chlorine, sulfur or phosphorus. It is also free of DCHA and formaldehyde-forming compounds. The company says Tech Cool 35048BF provides long sump life, low odors without the use of bacteri-cides, reduced foam, exceptional corrosion resistance and high lubricity even on aluminum. The coolant can be used on ferrous, aluminum, copper and brass substrates. It is said to be stable in hard water and compatible with recycling programs, and can be used in central systems and stand-alone machines.
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