Alibaba offers 315 matt frit products. about 22% of these are ceramics, 19% are other inorganic chemicals, and 3% are building glass. a wide variety of matt frit options are available to you, such as industrial ceramic, refractory, and ceramic decorations. An iso 9001:2001 certified ceramic frits manufacturer, ferro follows stringent guidelines for our supplier selection, frit technology and technical service standards. we offer both leaded and no lead frit varieties available as transparent frits, glossy frits and matt frits designed specifically for double fast firing, single-fired monoporosa ... Zirconium opaque ceramic frit for sanitary and floor tile. the high quality opaque frit with good lightness and whiteness,used in wall and floor tile and sanitary. Mar 30, 2017u00a0u00b7 supplies boron: boron (b2o3) is a very effective melter at low temperatures in ceramic glazes, but its raw forms are mostly soluble and often inconsistent. batch consistency: unlike mined raw materials, commercial frits have specific, known chemical compositions. this makes the effect of a frit on a glaze dependable from batch to batch.