ASTRO-CUT SS-250

ASTRO-CUT SS-250 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 is designed for the machining and grinding of virtually all metals, except magnesium and is formulated without the use of Chlorine.

Product Data Sheet

Applications

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

Features & Benefits

  • Good Workpiece Visibility
  • Mild Pleasant Odor
  • Excellent Corrosion Inhibition
  • Long Lasting
  • Excellent Hard Water Stability
  • Operator Friendly

Recommended Concentrations

Mixing

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

Typical Properties

Appearance-ConcentrateAmber liquid
Appearance- DilutionTranslucent amber
Residual FilmSoft, fluid
pH @ 20:19.0 ± 0.2
Lbs/Gallon8.34 ± 0.1
pa_total-chlorine-wtNone
Flash point, PMCCNone