CalculationCoolant Concentration
Coolant Concentration
Calculates initial make-up and correction of a water-based cutting fluid emulsion.
How to use the result
Use the product factor and approved concentration range from the current metalworking-fluid data sheet.
For a new fill, add water first and then add concentrate according to the manufacturer instructions. Circulate the tank contents thoroughly before measuring.
Formulas
actual concentration = refractometer reading × product factornew fill: concentrate = tank volume × target concentration / 100increase at constant volume: replacement volume = V × (target − actual) / (100 − actual)decrease at constant volume: replacement volume = V × (actual − target) / actual Sources: Volume and material balance of a two-component mixture; the refractometer factor and target range are entered for the specific product.