Spectrum Gold Halo Metallica Earthenware Brush On Glaze 151

Item: SPEC-151

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Product Description

Spectrum is delighted to introduce our new low fire Metallic glazes. Unlike lustres or overglazes, these are regular low-fire glazes and will fire in your kiln with any other low fire glaze. However, while the new Glazes are lead free, they are not non toxic and they are not dinnerware safe. Please do not use them on functional ware.

* These glazes are sensitive to thickness of application. A heavier application will result in increasing the mirror like finish, and decreasing the presence of colour. The perception of colour is also affected by light - incandescent light, fluorescent light, and natural light will all yield different results. We always recommend testing new glazes before you use them on important pieces.

Low fire metalics have to be fired at cone 05 (1040degC) plus or minus about 15-20degC.Cone 06 is too cool and cone 04 is too hot. They have to be put on relatively thick, three generous coats. If you don't do both of these things you probably won't get tthe desired effect. Often you just get a dull black finish or else a shiny ugly green when the glaze is too thin.

Firing Cone 05


Firing Tips

If you find your metallic glazes are firing dull or black, here are a few tips that might help:

  • The best way of firing Low fire metallic glaze is firing fast and cooling them down fast.
  • Some front loading kilns have a damper on the top and it will be a good idea to open it .
  • Also less kiln shelves loaded in the kiln is actually better because the kiln shelves will absorb a lot of heat and it will take a lot longer to cool.
  • Metallics cannot be layered with other glazes, they must be applied directly onto bisque.


Safety Data COSHH Sheets

Safety Data COSHH Sheets

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