ASTRO-CUT SUPER SYN is a heavy-duty oil-free synthetic cutting and grinding fluid concentrate designed to offer outstanding machining performance in even the most demanding applications, including aluminum and tough aerospace materials. This clean-running, low-foam product is stable in both soft and extremely hard water and contains additives which provide excellent rejection of tramp oils. In addition, ASTRO-CUT SUPER SYN provides rapid fine settling capabilities. This product contains no secondary amines.

Product Data Sheet


ASTRO-CUT SUPER SYN has been designed for machining and grinding most metals, including stainless steels, tool steels and alloys. ASTRO-CUT SUPER SYN is formulated to prevent staining or corrosion on copper, brass, bronze or aluminum. Excellent on cast iron. ASTRO-CUT SUPER SYN should not be used for machining Magnesium. This product may be used in most coolant mist units.

Features & Benefits

  • Superior Machining Lubrication
  • Nitrite-Free
  • Chlorine-Free
  • Phenol-Free
  • Very Low Foam – Excellent on High Pressure or High Speed Machining
  • Excellent Cooling for Ability to Maintain Close Tolerances
  • Tolerant of Hard Water
  • Resistant to Damage from Tramp Oil
  • Water Extendable- Economical
  • Long Tank Life

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

Typical Properties

Appearance-ConcentrateBlue liquid
Appearance- DilutionTransparent Blue
Residual FilmSoft, soluble
pH @ 20:19.3 ± 0.2
Specific Gravity @ 60°F1.03± 0.03
Flash point, PMCCNone