BECHEM UNOPOL U 622

Drawing lubricant for copper wire

Examples of Application
·  Drawing of copper rod wire of 8 mm down to 1.2 mm
·  Drawing of bare, tin and silver plated copper wires in single and multiwire systems down to smallest diameters of 0.20 mm

Properties
·  Mineral oil based
·  Long lifetime
·  Excellent cooling and lubricating properties
·  Good cleaning effect

Characteristic data
·  Appearance: brown fluid
·  Mineral oil content : approx. 30 %

Approvals / References
·  Meets TRGS 611

 

Characteristics Concentrate

Kin. viscosity at 20 °C

mm2/s 400 – 600

AA_003-133 acc. to DIN 51562

Density at 20 °C

g/cm3 0.935 – 0.98

AA_003-9 acc. to DIN 51757

Characteristics Emulsion

(5% in water at 20 °C)

pH value

9.1 – 9.3

AA_003-33 acc. to DIN 51369

Conductivity

μS/cm 300 – 650

AA_003-30 acc. to DIN 51412

Factor

Refractometer value

1.1

AA_003-24

Acid split

1.3

AA_003-31

 

Recommended service concentration

Rod wire drawing : approx. 14 – 18 %

Medium wire drawing : approx. 6 – 8 %

Fine wire drawing : approx. 4 – 6 %

Continuous annealing : approx. 1 %