Monroe Fluid Technology



Water-based machine and parts cleaner

ASTRO-CLEAN A is a low foam alkaline cleaner designed to remove process oils, gummy deposits of oil, grease, swarf and normal shop soils from machine tools, floors, and other hard surfaces. It combines organic and mineral alkalinity builders, detergents, water conditioners and deodorizer for optimum performance.

Part No. Quantity
38-050 5 Gallon Pail
38-104 1 Gallon Bottle
The primary application of ASTRO-CLEAN A is for cleaning machine tool coolant sumps and surfaces. ASTRO-CLEAN A can also be used for general shop cleaning with mop and bucket, auto- scrubber or spray washer.
  • Powerful Detergency
  • Superior Oil Rejection
  • Non Ozone Depleting
  • Low Foam
  • Mild Odor
  • Economical
  • Versatile
  • No Flash Point
  • Appearance - concentrate:
Clear Blue Liquid
  • Appearance - dilution:
Transparent Liquid
  • Odor:
  • pH @ 20:1:
10.8 ± 0.3
  • Specific Gravity @ 60° F.
1.02 ± 0.01
  • Lbs./Gal.
8.5 ± 0.1
  • Flash Point, TCC, ° F.
Directions For Use:
  • Drain sump or system as completely as possible.
  • Remove any solids from sump or system.
  • Add 1 gallon of ASTRO-CLEAN A for each 20 gallons of coolant capacity.
  • Fill sump with water to normal operating level and allow to circulate for a period of at least 4 hours.
  • While cleaner is circulating, use a rag or brush to remove stubborn deposits on machine surfaces and in coolant troughs. Allow fluid to wash material into the sump.
  • Remove cleaner and all solids from the sump.
  • Fill sump to normal operating level with water and add 1 gallon of ASTRO-CLEAN A for each 100 gallons of water and allow to circulate for at least 1/2 hour.
  • Remove fluid from the sump.
  • Immediately recharge machine with the appropriate amount of metalworking fluid at the correct dilution and allow to circulate for at least 1/2 hour to insure protection against corrosion.
Recommended Starting Dilutions:
  • Most Cleaning Applications:
20:1 @ 70° F. - 110° F.
  • Heavy Deposits of Soil and Sludge:
10:1 @ 70° F. - 110° F.
  • Added Directly to Old Coolant:
2-4% by volume
Alternative Sump Cleaning Procedure (for minimal loss of productivity):
  • Add ASTRO-CLEAN A directly into present coolant at a rate of 2-4% by volume.
  • Run production for a period of 1-2 shifts.
  • Remove coolant/cleaner mixture and any chips.
  • Fill sump with enough water to circulate through pump and coolant lines.
  • Remove rinse water.
  • Immediately recharge with fresh coolant at the correct dilution.
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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