COLEMANITE

COLMA

Packaging by Price per kg Prices VAT incl. Quantity
1KG 1 7,70 € 7,70 €
5KG 5 5,93 € 29,64 €
25KG 25 4,56 € 114,00 €

Colemanite Borate de Calcium hydraté

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A naturally occurring insoluble source of boron in glazes.

A powerful primary or secondary flux, it intensifies the effect of colouring oxides and increases craze resistance of glazes.

Formula: 43.9% B2O3, 26% CaO, 4.5% SiO2

Acts as a powerful flux it can intensify the effect of colouring oxides and can increase craze resistance in glazes.

Screen out any materials coarser than 200s mesh, or ball mill the glaze.