Based on a calcined mixture of zirconia, vanadium pentoxide and indium oxide or yttrium oxide. Complete freedom from soluble salts is important to minimise the risks of producing dimples and other defects in the glazed surfaces of finished ware.
More orange than zircon-vanadium yellow.
Specific Gravity: 5.5 to 6.0
Excellent in most types of glazes and bodies for firing at temperatures up to 1450C.
May be fired under reducing conditions with no risk of fading.
Suitable for blending with all other types of ceramic colours.
Note: This description is taken from information provided by Blythe Matthey and may or may not apply to stains of this family from other companies.
Body Color - Orange
Engobe or Body Stain: Suitable for all types of bodies and slips.
No tendency to strike or flash.
Extremely stable under reducing conditions
Glaze Color - Orange
Suitable for all types of glazes, although best results are obtained with leadless glazes having low alkali and boron contents. Used extensively for producing shades of ivory at low percentage concentrations.
Overmilling the colour when adding to glaze should be avoided as it tends to weaken the colour rapidly. Advisable only to slop the stain as it disperses readily.
Underglaze Color: Excellent stability, especially in decoration of porcelain at high temperature in reducing atmosphere.
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