Monroe Fluid Technology



Oil-free synthetic water extendable rust inhibitor

ASTRO-KOTE C is a synthetic water based rust inhibitor for in-plant rust protection on steel alloys. Astro-kote c was designed to prevent rust on mild steel parts between machining operations. It can also be used in the final rinse after soak, spray or barrel tumbling operations. This product does not leave any oily films.

ASTRO-KOTE C may be used as a supplementary rust inhibitor for use in water extendable metalworking fluids.

Part No. Quantity
33-050 5 Gallon Pail
ASTRO-KOTE C may be used on in-plant and inter-plant shipments of work-in-progress and finished goods.

ASTRO-KOTE C may be applied by dip tank, spray or other convenient method.
  • Does Not Contain Petroleum Oil or Solvent
  • Instant Solubility
  • Coats Evenly Over Metal Surfaces
  • Low Foaming
  • Non-Flammable
  • Excellent Hard Water Stability
  • Excellent Corrosion Inhibition
  • Chlorine and Phosphorous Free
  • Long Lasting
  • Appearance - concentrate:
Clear Light Yellow Liquid
  • Appearance - dilution:
  • Odor:
Slight Sweet
  • pH @ 20:1:
(5 %) 8.9 ± 0.2
  • Specific Gravity @ 60° F.
1.05 ± 0.01
  • Lbs./Gal.
8.8 ± 0.1
  • Flash Point, PMCC, ° F.
Concentration - ASTRO-KOTE C:
  • Concentration:
(10:1) (20:1)
  • Refractometer reading:
2.4 1.2
An optical refractometer may be used for determining concentration. These numbers are typical and are not to be construed as specifications.
Recommended Starting Dilutions:
  • Indoor Storage of Machined or Ground Parts: 10:1 to 15:1
  • As A Supplementary Rust Inhibitor for Use With Water Extendable Metalworking Fluids: 250:1 to 500:1
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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