Henkel Cutting Fluids Prevent Bacterial Growth

Henkel has developed two water-miscible, bactericide-free cutting fluids that are designed to reduce health risks to employees and enable implementation of prospective EU Biocides Regulations. Known as Multan 71-2 and 77-4, these products incorporate a new technology that prevents bacteria from absorbing nutrients from the degradation of emulsifiers. This normally occurs once a certain minimum bacteria concentration has been reached.

General-purpose Multan 71-2 is multifunctional and, because of its high lubricity, is suitable for all types of machining, including grinding. For high-alloy steel and aluminium machining, special-purpose Multan 77-4 provides extremely high lubricity, even at low concentration. This product is especially suitable for centreless grinding.

'Unlike previous technologies, the formula of the new products avoids the hazardous bacterial growth that usually occurs during the use of cutting fluids,' said Colin Chapman, marketing manager at Henkel. 'Just as important, this is accomplished without any toxic bactericidal additives, and without sacrificing the quality and performance of the products,' he said. Neither product contains formaldehyde releasing agents and both are odourless. Because the finely dispersed emulsion runs off the machined parts quickly, they both have a low drag-out rate.

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