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Frit VO 6200

Oxide Analysis Formula
CaO 8.00% 0.36
Na2O 1.00% 0.04
B2O3 6.00% 0.22
ZrO2 9.00% 0.18
K2O 4.00% 0.11
MgO 2.00% 0.12
SiO2 53.00% 2.21
ZnO 12.00% 0.37
Al2O3 5.00% 0.12
Oxide Weight 251.10
Formula Weight 251.10

Related Information

Polar Ice Porcelain with Body Stains - by Robert Barritz

Buttons of fired porcelain of many colors

Robert has done really valuable work in this research, what an amazing range of color! I am so grateful he shared this with the rest of us. Surfaces are unpolished and unglazed. All are fired to cone 6. Browns are missing, they can be made using iron oxide. For blacks, Mason 6600 is also effective. The blues require lower percentages than shown here, as low as 2% can be effective. Likewise with others, there is an optimal amount for each stain, beyond that, with increases in percentage the color intensity increase will drop significantly. There is another reason to keep stain percentages to a minimum: To reduce the impact on body maturity (and firing shrinkage). Blues, for example, can significantly heighten the degree of vitrification, even melting the porcelain. If you plan to marble different colors, keeping stain percentage as low as possible is even more important, unless you can do fired shrinkage compatibility testing, for example, the EBCT test. Need to develop your own white porcelain? See the link below.


Materials Frit
Typecodes Frit
Suppliers Reimbold & Strick
URLs http://www.reimbold-und-strick.de/images/pdf/keramisch.pdf
Reimbold & Strick Frit chart with chemistry


Co-efficient of Linear Expansion60 x 10-7 (20-400C)
Frit Softening Point790C
Glass Transition Temperature620C

By Tony Hansen

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