edrich technical data

Richgrind R660B Edrich Products

Richgrind R660B

Carbide Grinding Coolant

RICHGRIND R660B is an oil-free synthetic coolant for carbide grinding. RICHGRIND R660B was specifically developed to resist the leaching of cobalt when grinding carbide, which in turn increases tool life and provides for a healthier environment. RICHGRIND R660B is formulated to reduce wheel dressings and promote high part finishes.


  • Excellent boundary lubrication for tough machining jobs prolonging tool life and providing excellent part finishes
  • Outstanding rust protection for machinery and parts, reducing the amount of scrapped and reworked parts.
  • Good tramp oil rejecting properties and biostability, maximizing sump life.
  • Multi-metal compatible and designed for use in many operations, reducing product inventory.
  • Operator friendly and provides clean work areas.

R660B forms a clear light amber solution when diluted with water. The coolant remains stable at all proportions. Sump should be cleaned with RICHPREP prior to recharging with fresh coolant. The use of a refractometer and good coolant management techniques are recommended.

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