Bonderite LMR 21909


BONDERITE LMR 21909 is a boron free semi-synthetic general purpose coolant, suitable for a wide range of machining operations and water hardness between 5 and 40° GH.


BONDERITE L-MR 21909 provides the following product characteristics:

Technology Lubricants
Product Type Machining & Grinding Fluids
Application Grinding, CNC-Machining, Honing etc.


By using Henkel´s patented emulsifier system, BONDERITE L-MR 21909 generate a long lifetime, also because of it’s high hardwater stability.

BONDERITE L-MR 21909 is free of EP-additives based on chlorine, sulfur or phosphorus.
The high lubricity of BONDERITE L-MR 21909 extends the tool life time and reduces the process costs.

The excellent cleaning performance of BONDERITE L-MR 21909 keeps the machine clean and reduces the maintenance cost, also e.g. in a following cleaning step.

Application Areas

BONDERITE L-MR 21909 is used for machining steel, high alloyed steel, cast iron and aluminium alloys. Brass and copper, etc. can be co-machined in a material mix as well.

Download Technical Data Sheet

Download Bonderite LMR 21909 Technical Data Sheet

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