Monroe Fluid Technology



ASTRO-CUT SYN AF is a heavy-duty amine-free synthetic cutting and grinding fluid concentrate designed to offer outstanding lubricity as well as excellent corrosion control on machinery and workpieces while providing a long sump life. ASTRO-CUT SYN AF has been formulated to minimize cobalt leaching when used for grinding carbide tooling. This product may be used on a variety of metals, including steels, cast iron and aluminum; in operations ranging from grinding to turning to milling.

Part No. Quantity
25-050 5 Gallon Pail
ASTRO-CUT SYN AF has been designed to provide cooling, lubrication and corrosion protection on operations that require an amine-free product or because of waste stream restrictions on amines. Operations involving the grinding of coated parts or other areas where amines may be detrimental are particularly suited for this product.
ASTRO-CUT SYN AF has been designed for machining most metals except magnesium. This product may also be used for grinding: blanchard, diamond wheel, centerless, belt, disk, etc.

NOTE: Since this product is completely oil-free, it may be used in most coolant mist units for machining and grinding operations.
  • Superior Lubrication
  • Amine-Free
  • Nitrite-Free
  • Chlorine-Free
  • Phenol-Free
  • Long Tank Life
  • Excellent Cooling for Ability to Maintain Close Tolerances
  • Resistant to Damage from Tramp Oil
  • Non-foaming
  • Stable pH
  • No Heavy or Tacky Residues
  • Will Not "Load Up" Grinding Wheels
  • Appearance - concentrate:
Clear Blue Liquid
  • Appearance - dilution:
Transparent Blue Liquid
  • Odor:
  • Residual Film:
Soft, Soluble
  • pH @ 20:1:
10.0 ± 0.3
  • Specific Gravity @ 60° F.
1.08 ± 0.01
  • Lbs./Gal.
9.0 ± 0.1
  • Flash Point, PMCC, ° F.
Concentration - ASTRO-CUT SYN AF:
  • Concentration*:
4% (1:25) 5% (1:20) 7% (1:14) 10% (1:10)
  • Brix Reading:
1.1 1.4 2.0 2.8
An optical refractometer may be used for determining concentration. These numbers are typical and are not to be construed as specifications.
Recommended Starting Dilutions:
  • Milling, Drilling, Turning:
10:1 / 20:1 (5%)
  • Centerless, ID, OD, Surface Grinding:
Minimum 25:1 (4% )
  • Misting Applications:
30:1 / 40:1 ( 2.5%)
* Concentrations should be maintained at 25:1 (4%) or higher for all operations.
View Monroe Fluid Technology's Website for Product Data Sheet and MSDS
The information presented on this page is for informational purposes only. Please ensure the accuracy of the data from the manufacturer's Product Data Sheet and Material Safety Data Sheets listed above.

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