Formulae

RYAN MCKERLEY

CONE 10 GLAZES for Soda Firing

Chung’s Satin Mint (Blue or Blue Black, sometimes Purple)

–Don’t double dip–

Minspar                    35.7%
Nepheline Syenite   21.4
Whiting                     14.3
EPK                            14.4
Bone ash                     7.1
Zinc Oxide                   7.1
Copper Carbonate     2.0
Cobalt Carbonate     0.35


Ryan’s Green (to Orange to Black)

–apply thin for orange, thick for dark green to flat almost black–
Custer Feldspar         34.1%
EPK                             34.1
Dolomite                   16.6
Whiting                       6.6
Tin Oxide                    3.3
Bone Ash                    5.3
Copper Carbonate     9.0  

 

Bauer Slip — for greenware and bisqueware—

EPK                      41.9%

OM-4 ball clay    41.9

Borax                     5.7

Zircopax              10.5

 

WOOLERY CLEAR (CONE 7-11)

SILICA                                      31

NEPHELINE SYENITE              30

GERSTLEY BORATE                21

EPK                                          10

WOLLASTONITE                      8

 

Archie Bray White Engobe (sticks to anything!)

EPK                          25%

OM-4                       25

Silica                        25

Cornwall Stone      12.5

Neph Sy                  12.5

Zircopax                  2.5

Frit 3195                  2.5

 

 

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