BONDERITE® L-MR 21974 is a mineral oil-based general purpose coolant lubricant, suitable for a wide range of operations and water hardness (5 - 60 °GH).
BONDERITE® L-MR 21974 is a versatile coolant lubricant that is mineral oil-based and can be used for various operations regardless of water hardness levels ranging from 5 to 60 °GH. The emulsions formed from this lubricant hardly have any odor. The lubricant has a long lifespan because of its ability to withstand hard water. Additionally, it is free from substances such as boron, formaldehyde releasing agents, and EP additives based on chlorine, sulfur, and phosphorus.
Concentrate:
Density, 20°C, g/cm³ ~0.97
DIN 51757
Viscosity, (20°C), mm²/s ~134
DIN 53211
Refractive index (20°C) ~1.447
Emulsion:
Appearance white fine disperse
emulsion
pH-value, (5%, DI water) ~9.1
DIN 51369
Storage:
Temperature, +5 to +40 °C
BONDERITE® L-MR 21974 is a cutting fluid that can be mixed with water and is suitable for medium to heavy-duty machining of various metals, including aluminum, stainless steel, titanium, high-alloyed steel, as well as other types of steel.
It is also possible to co-machine materials such as brass and copper in a mix.
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