BECHEM UNOPOL S 643

Drawing lubricant for copper wire

Description
BECHEM Unopol S 643 is a mineral oil free, water soluble lubricant for drawing of bare, tin plated, silver plated and nickel plated copper wire in single and multi wire systems down to smallest diameters of 0,05 mm.

Combining synthetic lubricity additives, corrosion protection additives and surfactants solutions of BECHEM Unopol S 643 show good lubricity and cooling properties, low foaming, no stickiness but also excellent rinsing and cleaning power.

BECHEM Unopol S 643 can be used in the following concentration :
Multi wire systems :
down to 0.1–0.2mm : approx. 8-12 %
down to 0.05–0.1mm : approx. 6- 8 %
Single wire systems :
down to 0.05 mm : approx. 3 – 5 %
Temperatures of the solutions between 35 °C and 45 °C are proved to be most favourable.

Properties
·  Water soluble
·  High lubricity
·  Very good cleaning properties
·  Very long life time of the solution
·  Meets TRGS 611

Application
BECHEM Unopol S 643 is easily soluble in water. To reach a fast and effective mixing it is advisable to add the concentrate to the water in an area of high turbulence or use a conventional mixing unit.

For initial fill and topping up we recommend to use DI-water which should have a temperature between 15 °C and 45 °C

 

Concentrate

Kin. viscosity at 20 °C

mm2/s 60 – 100

AA_003-133 acc. to DIN 51562

Density at 20 °C

g/cm3 1.08 – 1.12

AA_003-9 acc. to DIN 51757

Emulsion

(5% in water at 20 °C)

pH value 5%

9.0 – 9.2

AA-003-33 acc. to DIN 51369

Conductivity

μS/cm 5,000 – 6,500

AA-003-30 acc. to DIN 51412

Factor

Refractometer factor

1.7

AA_003-24