Monroe Fluid Technology



Biostable high pressure cutting and grinding fluid

ASTRO-CUT HIGH PRESSURE combines the superior chemical flexibility of synthetics with 15% mineral oil for corrosion protection and lubrication. ASTRO-CUT HIGH PRESSURE has exceptional foam control, hard water stability and tramp oil rejection while providing outstanding lubricity for machining and grinding. It is compatible with virtually all metals except magnesium and is formulated without the use of chlorine.

Part No. Quantity
58-050 5 Gallon Pail

BIOSTABILITY refers to the ability of a metalworking coolant to resist extreme biological degradation. This provides extremely long sump life in a properly maintained machine tool and diminishes the possibility of "Monday Morning Odor".
Designed for use in high and low pressure metal removal operations such as all CNC milling, turning, drilling, tapping, grinding and sawing.
  • Very Low Foam for High Pressure Operations
  • Eliminates Need for Tankside Additives
  • Excellent Corrosion Inhibition
  • Exceptional Hard Water Stability
  • Outstanding Lubricity for Superior Finishes
  • Operator Friendly and Clean Running
  • Superior Sump Life
  • Appearance - concentrate:
Amber Liquid
  • Appearance - dilution:
Translucent Amber
  • Odor:
  • Residual Film:
Soft, Fluid
  • pH @ 20:1:
(5 %) 9.0 + 0.3
  • Specific Gravity @ 60° F.
1.02 ± 0.01
  • Lbs./Gal.
8.51 ± 0.1
  • Flash Point, COC, ° F.
  • Concentration:
4% (1:25) 5% (1:20) 7% (1:14) 10% (1:10)
  • Refractometer Reading:
2.0 2.5 3.5 5.0
An optical refractometer may be used for determining concentration. These numbers are typical and are not to be construed as specifications.
Recommended Starting Dilutions:
  • Centerless, ID, OD, Surface Grinding:
25:1 (4%)
  • Milling, Drilling, Turning:
20:1 (5%)
  • Tapping, Reaming, Sawing:
10:1 (10%)
When mixing coolant, it is best to use an automatic proportioner which accurately and thoroughly mixes coolant. Always replenish the coolant with a mixture of coolant and water, not just coolant or water. Never add coolant concentrate directly to the sump.

IMPORTANT! At concentrations below 4%, the biostability of this product may be compromised, leading to much shorter sump life. To insure maximum coolant life, sump should be thoroughly cleaned and neutralized using ASTRO-CLEAN A prior to charging machine with ASTRO-CUT HIGH PRESSURE.
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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