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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

Characteristics

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.

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