Multidraw CU GWZ
Art-Nr.: 21980- water-miscible cooling lubricant
- on the basis of modified fatty components, mixed basic hydrocarbons, anionic and non-ionic
surface active agents as well as inhibitors - effects outstanding wetting ability
- with excellent corrosion protection on copper and non-ferrous heavy metals, even at low
preparation concentrations
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Product Details
| Colour / DIN ISO 2049 | 8.0 |
| Density/15°C / DIN EN ISO 12185 | 980 kg/m³ |
| Viscosity/40°C / ASTM D 7042 | 130 mm²/s |
| pH-value (1 % in distilled H2O) / DIN 51 369 | 8.5 |
| Conductivity/20°C | 500 µS/cm |
| Water hazard class, concentrate | 2 |
| Water hazard class, emulsion | ( |
Multidraw CU GWZ is a special water-miscible admixture for continuous annealing for bare or tinned
copper wires of all wire diameters. Tarnishing of the wires will be prevented even at low dosage.
1.0 - 1.5 %
a) Determination of the part of the water-miscible cooling lubricants separable with acid
according to DIN 51 368 (testing apparatus for drilling oil, separation by hydro-chloric acid)
b) with refractometer: factor 0.9
This special admixture dissolves to a stable emulsion by pouring it continuously into water
(at a temperature range of approx. +10 °C to approx. +35 °C) and by stirring or circulating.