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 %
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Characteristics concentrate |
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Kin. viscosity at 20 °C |
mm2/s | 80 – 220 |
AA_003-133 acc. to DIN 51562 |
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Density at 20 °C |
g/cm3 | 0.90 – 0.95 |
AA_003-9 acc. to DIN 51757 |
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Characteristics emulsion |
(5% in water at 20 °C) |
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pH value |
9.3 – 9.5 |
AA_003-33 acc. to DIN 51369 |
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Conductivity |
μS/cm | 300 – 700 |
AA_003-30 acc. to DIN 51412 |
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Factors |
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Refractometer value |
1.1 |
AA_003-24 |
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Acid split |
1.2 |
AA_003-31 |
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Recommended service concentration :
First drawing : approx. 6 – 8 %
Medium drafts : approx. 2 – 4 %
Fine drafts : approx. 8 – 10 %
Continuous annealing furnace : approx. 1 %