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SECTOR FOCUS: METALWORKING FLUIDS


How to increase the sustainability of metalworking fluids


Songul Facey, Technical Sales Manager- MWF, TOTAL UK LIMITED Lubricants Division


In today’s world, as awareness of global warming increases, sustainability continues to maintain its importance for the manufacturing industry, with reaching carbon neutrality in order to lead a clean future a paramount concern. In line with this goal, metalworking fluid manufacturers are constantly working to develop eco-friendly solutions that meet today’s requirements without sacrificing productivity.


Choosing among MWF’s The usage of the right product that has fewer hazardous components and less toxicity is the first step to achieve a more sustainable cycle. Whilst choosing the product, base oils and additives used in metalworking fluids (MWFs) should be examined in terms of health and safety and their harmful effects on the environment. Accordingly, it is recommended that components such as oil containing polycyclic aromatic hydrocarbons (PAHs), para-tert-Butylbenzoic acid (PTBBA) and chlorinated paraffin, nitrites, sodium nitrate, phenols, alkanol amines, secondary amines, boron, and formaldehyde-releasing biocides should be avoided.


The used biocide should comply with the current regulations as well as not exceed the amount required


10 LUBE MAGAZINE NO.163 JUNE 2021


to meet fluid specifications, as an excessive amount may cause dermatitis, skin irritation/sensitivity to workers.


The components that have various negative effects on health, safety, and the environment can easily be checked from the product’s safety data sheets (SDS). In that regard, the products without pictograms or precautionary statements should be the first choices.


Another criterion in product selection is flammability and resistance to evaporation. Flammability creates a great fire risk, especially in pure cutting and solvent- containing products. However, this does not mean that there is no such risk in soluble lubricants. In fact, MWFs that have high oil content also pose a risk due to the evaporation of water content. The most effective way to eliminate the risk of fire and evaporation in product selection is to prefer products with a high flash point.


Similarly, the products that evaporate can easily cause irreversible damage in terms of health and safety, increase consumption and also create dirty and greasy workshops. Therefore, the priority should always be the products with high resistance to evaporation. In addition to all of the above considerations, as


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