Features

  • Clean running/low foam
  • Excellent corrosion protection
  • Excellent machining capabilities
  • Reduced disposal cost/less down time/operator acceptance
  • In-process protection of machinery and parts
  • Increased tool life; improves surface finish

Applications

Many of today's modern machine shops require the use of a coolant which is capable of working in many applications on a wide variety of metals. Dyna-Plex 21C Mac-Cool 95 is a versatile product that can be used with many machines and metals. These include Kingsburys, Bullards, bar machines, lathes, chuckers, centerless and cylindrical grinders. Whether you're cutting high or low carbon steels, alloy steels such as 4130 and 4140; cast iron, nodular iron and gray iron; 300 and 400 series stainless steel, Dyna-Plex 21C Mac-Cool 95 is the choice. It is especially suitable when machining automotive grade aluminum cast alloys including 308, 319, 356, 380, 384 and 390.

Dyna-Plex 21C Mac-Cool 95 is compatible with hard water, is clean running and biostable, which assures long, odor-free sump life. It provides corrosion protection without staining and affords good lubrication for machine ways and indexing mechanisms. Low foaming characteristics make Dyna-Plex 21C Mac-Cool 95 an excellent choice for gun drilling and other high pressure applications.

Typical Properties

Appearance:

 

Neat

Clear amber fluid

5%

Emulsion Whitish emulsion

Typical in use pH

9.1 – 9.3

Pounds per Gallon, 60°F

7.9

Recommended Use Concentration:

Machining

5 to 10%

Grinding

5%

5%

Emulsion Whitish emulsion

Typical in use pH

9.1 – 9.3

Pounds per Gallon, 60°F

7.9

The refractometer factor for Dyna-Plex 21C Mac-Cool 95 is 1.1.  Multiply the refractometer reading by this factor to obtain the emulsion concentration in percent.

Under normal conditions, the recommended shelf life for Dyna-Plex 21C Mac-Cool 95 is one (1)year.

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