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WEDOLiT FW 7661
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WEDOLiT FW 7661

Water miscible, fully synthetic coolant

WEDOLiT FW 7661

WEDOLiT FW 7661 is popular in the manufacture of steel tubes on tube welding engines. With 3-5% aqueous solution, it fulfils the requirements for lubrication of the working rollers, cleanliness of the rollers and tubes and spend corrosion protection for the tubes and the machinery. Furthermore it can be used as additive in hydro-tester solutions to test the tubes on leak-tightness

With its thermal stability, it can be used not only for cooling of the electrode or the coil and impeder in high frequency welding, but also in the water cooling line for the weld seam. The entire tube welding machine can thus be operated with a closed-circuit cooling system, requiring no intake of other water.

  • Fulfil the requirements of the TRG 611
  • No emulsifying effect regarding mineral oils and engines lubricants.
  • Anticorrosion oil can thus be used on the Turk’s head of the tube welding engine in the manufacture of sectional tubing.
  • The cooling lubricant penetrating into the anti-corrosion oil separates from the oil residue after a relatively short settling time and without emulsifying.
  • Can be centrifuged out without loss of active substances.
  • Removable with organic solvents or alkaline cleaners.
  • The bright surface is preserved during a heat treatment under inert gas.

WEDOLiT FW 7661   
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