BECHEM ZD VS 640

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

Properties
·  Water miscible
·  Contains mineral oil
·  Semi synthetic
·  Very high lubricity
·  Good cleaning properties
·  Long emulsion life

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

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 0.945 – 0.965

AA_003-9 acc. to DIN 51757

Characteristics emulsion

(5% in water at 20 °C) finely dispersed

pH value

9.3 – 9.8

AA_003-33 acc. to DIN 51369

Conductivity

μS/cm 300 – 600

AA_003-30 acc. to DIN 51412

Factor

Refractometer value

1.1

AA_003-24

 

Recommended service concentration :

Rod wire drawing : approx. 14 – 18 %

Medium wire drawing : approx. 6 – 10 %

Fine wire drawing : approx. 4 – 8 %

Continuous annealing : approx. 1 %