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
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Characteristics concentrate |
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Kin. viscosity at 20 °C |
mm2/s | 250 – 400 |
AA_003-133 acc. to DIN 51562 |
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Density at 20 °C |
g/cm3 | 0.945 – 0.965 |
AA_003-9 acc. to DIN 51757 |
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Characteristics emulsion |
(5% in water at 20 °C) finely dispersed |
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pH value |
9.3 – 9.8 |
AA_003-33 acc. to DIN 51369 |
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Conductivity |
μS/cm | 300 – 600 |
AA_003-30 acc. to DIN 51412 |
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Factor |
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Refractometer value |
1.1 |
AA_003-24 |
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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 %