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WEDOLiT K 81 is a water-miscible coolant, based on mineral oil. With water WEDOLIT K 81 forms stable
emulsions in every mixture proportions. Emulsifying agents, inhibitors and high-pressure additives are
combined, to allow a multipurpose application like metal working operations as well as corrosion
WEDOLiT K 81 is used as emulsion for chipless and cutting metal-working-operations. For corrosion
protection we recommend the application by flooding with emulsion or the application of the concentrate.
A very good corrosion protection is given by application as a hot emulsion (approx. 80°C) with a
concentration of approx. 20% on zinc-phosphate coated surfaces with a layer of approx. 10-12 g/m². The
corrosion protection test (salt-spraying-test) according to ASTM-B 117 or DIN 50021 gives no corrosion
after a test-time of 48 hours.
WEDOLiT K 81 is easily removable with industrial cleaners. After annealing under protective atmosphere
no residues will be found.