BECHEM UNOPOL S 643-1

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 0.05 mm

Properties
·  Water soluble
·  Extremely long life time
·  Mineral oil free
·  Low foaming
·  Hardness and electrolyte stable
·  Good cooling and lubrication
·  Very good cleaning properties

Characteristic data
·  Appearance : yellow violet

Approvals / References
·  Meets TRGS 611

 

Concentrate

Kin. viscosity at 20 °C

mm2/s 40 – 70

AA_003-133 acc. to DIN 51562

Density at 20 °C

g/cm3 1.08 – 1.12

AA_003-9 acc. to DIN 51757

Characteristics drawing solution

(in distilled water at 20 °C)

pH value 10 %

8.9 – 9.0

AA_003-33 acc. to DIN 51369

Conductivity 5 %

μS/cm 4,500 – 6,500

AA_003-30 acc. to DIN 51412

Factor

Refractometer value

1.9

AA_003-24

 

Recommended service concentration for multi wire systems :

Copper :

0.1 – 0.2 mm approx. 8 – 12 %

0.05 – 0.1 mm approx. 6 – 8 %

Single wire systems :

0.05 mm approx. 3 – 5%