ASTRO-CUT SS-250 TX is a semi-synthetic general purpose metalworking coolant containing approximately 10% mineral oil.  This product, when diluted with water, forms a translucent Amber emulsion which offers excellent workpiece visibility, good lubricity, and superior cooling.  ASTRO-CUT SS-250 TX is designed for the machining and grinding of virtually all metals, except magnesium and is formulated without the use of Chlorine.

Product Data Sheet


Designed for use in metalworking applications such as all CNC milling, turning, drilling, tapping, and grinding, ASTRO-CUT SS-250 TX is also excellent on conventional machining processes and sawing applications.

Recommended Concentrations


Concentration, % 4% 5% 6% 7% 8% 9% 10%
Ratio 1:25 1:20 1:17 1:14 1:12 1:11 1:10
Refractometer 1.6 2.0 2.4 2.8 3.2 3.6 4.0