So-Cool 'Plus' GP Environmentally improved - does NOT contain phenols, boron, triazene, PTBBA or chlorinated additives. Based on highly refined mineral oils. High degree of machine tool lubrication. Ideal for a wide range of machining operations. Low odour. Low unit cost. Specially formulated for use in both hard and soft waters. Recommended concentrations: General machining 7% or (a dilution of 14 to 1). Grinding (surface, cylindrical centreless) 2 - 3% or (a dilution of 2% 50 to 1 or 3% 33 to 1). Available in grade SC-GP. Supplied in 20 litre stacking poly containers and 205 litre barrels.