BONDERITE® L-MR 21718 is a water-miscible, boron free cutting fluid for general machining with multi-metal compatibility.
BONDERITE® L-MR 21718 is a cutting fluid that can be mixed with water and is safe to use. It does not contain boron and is suitable for machining grey cast iron, steel, and aluminum.
The machining of non-ferrous metals is possible in a material mix. For machining of aluminum the compatibility should be checked before use.
BONDERITE® L-MR 21718 emulsions are stable and build a very low foaming in a water hardness between 2°GH and 80°GH.
BONDERITE® L-MR 21718 does not contain any Cl, P-, or S-containing EP-additives or Formaldehyde Releasing Agents. It has high lubricity which means that it can help extend the life of your tools and lower process costs. Additionally, it has excellent cleaning performance which can help reduce maintenance costs.
Concentrate:
Density, 20°C, g/cm³
DIN 51757
0.99
Viscosity, (20°C), mm²/s
DIN 53211
15
Refractive index (20°C) 1,399
Mineral oil content, % 10
Ester oil content, % 0
Emulsion:
Appearance semi transparent
pH-value, (5%, DI water)
DIN 51369
~9.5
Corrosion protection properties,
at 5%, DIN 51360-2
0/0
Lubricating effect:
Tapping Torque (7%, 20°GH), Ncm
(8 mm, 900 rpm, M4F, AlMgSi1)
30
Reichert (7%, 20°GH), mm²
(Ducom Friction test, steel)
15
Storage:
Recommended Storage Temperature, °C 5 to 40
The shelf life is indicated on the container
BONDERITE® L-MR 21718 is an all-around solution that is compatible with multiple metals.
It is free of boron, bactericides, DCHA, and EP additives, making it safe for use.
BONDERITE® L-MR 21718 is foam-free starting at a water hardness of 1 °dH and can withstand hard water up to 100°dH.
BONDERITE® L-MR 21718 is suitable for a variety of applications including grinding, drilling, milling, boring, and threading.
Water miscible metalworking fluids.
Metal machining (e.g. turning,
drilling, milling, grinding).
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