BECHEM UNOPOL S 643-1
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 0.05 mm
Properties
· Water soluble
· Extremely long life time
· Mineral oil free
· Low foaming
· Hardness and electrolyte stable
· Good cooling and lubrication
· Very good cleaning properties
Characteristic data
· Appearance : yellow violet
Approvals / References
· Meets TRGS 611
|
Concentrate |
|||
|
Kin. viscosity at 20 °C |
mm2/s | 40 – 70 |
AA_003-133 acc. to DIN 51562 |
|
Density at 20 °C |
g/cm3 | 1.08 – 1.12 |
AA_003-9 acc. to DIN 51757 |
|
Characteristics drawing solution |
(in distilled water at 20 °C) |
||
|
pH value 10 % |
8.9 – 9.0 |
AA_003-33 acc. to DIN 51369 |
|
|
Conductivity 5 % |
μS/cm | 4,500 – 6,500 |
AA_003-30 acc. to DIN 51412 |
|
Factor |
|||
|
Refractometer value |
1.9 |
AA_003-24 |
|
Recommended service concentration for multi wire systems :
Copper :
0.1 – 0.2 mm approx. 8 – 12 %
0.05 – 0.1 mm approx. 6 – 8 %
Single wire systems :
0.05 mm approx. 3 – 5%