BECHEM UNOPOL SPG 623
Drawing lubricant for copper wire
Examples of Application
· Specially designed as an annealing fluid applied in continuous annealing
Material
· Copper and copper alloys
Properties
· Water miscible
· Good cleaning effect
· High protection against corrosion, wire discoloration and staining
Characteristic data
· Appearance: brown fluid
· Mineral oil content: approx. 46 %
Approvals / References
· Meets TRGS 611
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Characteristics Concentrate |
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Kin. viscosity at 20 °C |
mm2/s | 260 – 400 |
AA_003-133 acc. to DIN 51562 |
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Density at 20 °C |
g/cm3 | 0.94 – 0.96 |
AA_003-9 acc. to DIN 51757 |
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Characteristics Emulsion |
(1% in water at 20 °C) |
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pH value |
8.7 – 8.9 |
AA_003-33 acc. to DIN 51369 |
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Conductivity |
μS/cm | 130 – 190 |
AA_003-30 acc. to DIN 51412 |
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Factors |
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Refractometer value |
1.0 |
AA_003-24 |
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Acid split |
1.2 |
AA_003-31 |
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Recommended service concentration
Annealing during rod wire drawing : approx. 1 – 2 %
Annealing during medium wire drawing : approx. 0.5 – 1.5 %
Annealing during fine wire drawing : approx. 0.5 – 1.5 %