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

 

Characteristics Concentrate

Kin. viscosity at 20 °C

mm2/s 260 – 400

AA_003-133 acc. to DIN 51562

Density at 20 °C

g/cm3 0.94 – 0.96

AA_003-9 acc. to DIN 51757

Characteristics Emulsion

(1% in water at 20 °C)

pH value

8.7 – 8.9

AA_003-33 acc. to DIN 51369

Conductivity

μS/cm 130 – 190

AA_003-30 acc. to DIN 51412

Factors

Refractometer value

1.0

AA_003-24

Acid split

1.2

AA_003-31

 

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 %