BECHEM ZD VS 642

Drawing lubricant for copper wire

Examples of Application
·  Drawing of blank and tin copper wires
·  Single and multiwire systems down to final diameters of 0.10 mm

Properties
·  Water miscible
·  High lubricity
·  Very good cleaning properties
·  Long emulsion life

Characteristic data
·  Appearance : brown fluid
·  Mineral oil content : approx. 47 %

 

Characteristics concentrate

Kin. viscosity at 20 °C

mm2/s 80 – 220

AA_003-133 acc. to DIN 51562

Density at 20 °C

g/cm3 0.90 – 0.95

AA_003-9 acc. to DIN 51757

Characteristics emulsion

(5% in water at 20 °C)

pH value

9.3 – 9.5

AA_003-33 acc. to DIN 51369

Conductivity

μS/cm 300 – 700

AA_003-30 acc. to DIN 51412

Factors

Refractometer value

1.1

AA_003-24

Acid split

1.2

AA_003-31

 

Recommended service concentration :

First drawing : approx. 6 – 8 %

Medium drafts : approx. 2 – 4 %

Fine drafts : approx. 8 – 10 %

Continuous annealing furnace : approx. 1 %