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  • Colorobbia Copper Lustre 5g

Copper Lustre 5g

Article number: HT5039
£45.00
Excl. tax

Colorobbia Copper Lustre 5g

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COLOROBBIA liquid golds and lustres have dissolved metals as their essential component. They are intended for brush-application onto already fired and glazed ceramic objects. Before firing, the objects must be left to dry for a few hours in a warm, dust-free place.

Firing temperatures recommended by COLOROBBIA are:

  • On Earthenware glazed ware: 690°C - 700°C, Orton cone 018
  • On Stoneware and Porcelain Glazed ware: 750°C - 815°C, Orton cone 017 - 015

APPLICATION

  • Colorobbia liquid golds and lustres are ready-to-use and are generally of a gluey, dark brown liquid appearance.
  • Use a smooth, soft brush for application.
  • The pieces to be decorated must be well-cleaned and bone dry.
  • Gold, platinum and some lustres like copper and bronze do not need to be diluted. The other lustres can be diluted with an appropriate thinner at more or less 10% addition. The Mother of Pearl Iris lustre needs to be diluted at 15% at least: It burns more easily than the others if applied in thick layers. Burnt MOP Iris results in a white powder and does not adhere. Precision scales are recommended when diluting in order to maintain the same fluidity and shade of colour.
  • The brush must neither be too heavily-laden nor too little-laden, and the layer applied must be uniform and fine (single brush stroke). Too thick a layer causes burning or clouding during the firing.
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