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Spectrum Mid Fire Glazes
Spectrum offers a selection of 79 cone 4/6 Stoneware Glazes. Most of these glazes are lead-free and dinnerware safe. Most of them also come with the A/P non-toxic rating from the Art & Creative Materials Institute (ACMI) which is clearly marked on the product label. Some of the reactive type glazes are rated C/L by the ACMI which means that ...
Spectrum Raku Glazes
Spectrum Raku glazes were developed for firing in either electric or gas kilns. The firing process is described below. Eleven of the Raku glazes are lead-free and non-toxic (850,851,854,856,871,872,873,874,875,877,878). All of the rest are lead-free, but are over the threshold limit for copper and are therefore not non-toxic in the liquid state....
Spectrum Low Fire Glazes
NEW! Metallic glazes from Spectrum. Finally, a low fire lead free metallic glaze.
Spectrum Cone 5-6 Shino glazes are formulated to recreate the look of high fire reduction Shino glazes in an electric kiln. They have a satin finish and react to texture. All colors are food safe and non-toxic.