BECHEM UNOPOL U 570

Drawing lubricant for copper wire

Examples of Application
·  Drawing of blank, tin, silver and nickel plated copper wires in single and multi wire systems down to smallest diameters of 0.15 mm

Material
·  Copper and copper alloys

Properties
·  Water miscible
·  Long emulsion life
·  Contains mineral oil
·  Good cooling and lubricating properties
·  Very good cleaning properties

Characteristic data
·  Appearance : brown, clear fluid
·  Mineral oil content : approx. 38 %

Approvals / References
·  Meets TRGS 611

 

Characteristics concentrate

Kin. viscosity at 20 °C

mm2/s 250 – 400

AA_003-133 acc. to DIN 51562

Density at 20 °C

g/cm3 0.935 – 0.965

AA_003-9 acc. to DIN 51575

Characteristics

(5% in water at 20 °C)

pH value

9.4 – 9.6

AA_003-33 acc. to DIN 51369

Conductivity

μS/cm 400 – 700

AA_003-30 acc. to DIN 51412

Factor

Refractometer factor

1.1

AA_003-24

 

Recommended service concentration :

First drawing : approx. 14 – 18 %

Medium drafts : approx. 6 – 10 %

Fine drafts : approx. 4 – 8 %

Continuous annealing furnace : approx. 1 %