Frit VO 6134

Description: Reimbold & Strick frit for color development

Oxide	Analysis	Formula
SiO2	54.00%	3.15
K2O	4.00%	0.15
Na2O	4.00%	0.23
CaO	10.00%	0.62
Al2O3	13.00%	0.45
B2O3	15.00%	0.76
Oxide Weight		350.59
Formula Weight		350.59

Related Information

Mason stains in the G2926B base glaze at cone 6

19 glazed porcelain tiles showcasing Mason stain colors

This glaze, G2926B, is our main glossy base recipe. Stains are a much better choice for coloring it than raw metal oxides. Other than the great colors they produce here, there are a number of things worth noticing. Stains are potent colorants, the percentages needed are normally much less than metal oxides. Staining a transparent glaze produces a transparent color, it is more intense where the glaze layer is thicker, this is often desirable in highlighting contours and designs. If you add an opacifier, like Zircopax, the color will be less intense, producing a pastel shade the more you add. The chrome-tin maroon 6006 does not develop well in this base (alternatives are G2916F or G1214M). The 6020 manganese alumina pink is also not developing here (it is a body stain). Caution is required with inclusion stains (like #6021), the micro-bubbling here is not likely because it is overfired (it is rated to cone 8), adding 1-2% Zircopax normally fixes this issue.

Links

Materials	Frit Frits are made by melting mixes of raw materials, quenching the melt in water, grinding the pebbles into a powder. Frits have chemistries raw materials cannot.
Typecodes	Frit A frit is the powdered form a man-made glass. Frits are premelted, then ground to a glass. They have tightly controlled chemistries, they are available for glazes of all types.
URLs	http://www.reimbold-und-strick.de/images/pdf/keramisch.pdf Reimbold & Strick Frit chart with chemistry

Data

Co-efficient of Linear Expansion	68 x 10-7 (20-400C)
Frit Softening Point	700C
Glass Transition Temperature	620C

By Tony Hansen
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