Category: Glaze > Raku
Created 2001-09-22 09:00:00 by Glazy Admin
Categories: Glaze > Raku
Firing Temperature: Δ08-05½
Atmospheres: Raku
Surface Type: Glossy
Transparency: Transparent

Glaze Type: Raku (Crackle)

Material Amount Batch Subtotal
Gerstley Borate 76.2
Nepheline Syenite (Theoretical) 19
Kaolin (Theoretical) 4.8
Total: 100

Percentage Analysis

Ingredient Amount SiO2 Al2O3 B2O3 MgO CaO K2O Na2O KNaO P2O5 Fe2O3 TiO2 LOI
Gerstley Borate76.211.280.7620.422.6714.780.313.053.360.080.310.0822.48
Nepheline Syenite (Theoretical)1911.534.430.020.130.871.862.730.020.13
Kaolin (Theoretical)4.82.271.930.6
Total10025.087.1220.422.6914.911.184.916.090.080.320.0823.21
100% no LOI 32.669.2726.593.519.421.546.397.930.10.420.1

Unity Molecular Formula (UMF)

FLUXES

RO/R2O

0.19 Na2O
0.03 K2O
0.63 CaO
0.16 MgO
STABILIZERS

R2O3

0.16 Al2O3
0.69 B2O3
GLASS-FORMERS

RO2

0.98 SiO2
SILICA:ALUMINA

SiO2:Al2O3

5.98

FLUX RATIO

R2O:RO

0.22 : 0.78

SiO2:Al2O3 Chart

Closest 63 neighbors in Glaze > Raku.

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 5.98

Similar Base Recipes

No recipes with similar base ingredients and amounts were found.

Similar RO/R2O Unity Formulas

R2O3 - STABILIZERS RO2 - GLASS FORMERS RO/R2O - FLUXES
Recipe Name ΔTemp Al2O3 B2O3 SiO2 ZrO2 SnO2 TiO2 KNaO K2O Na2O CaO MgO ZnO BaO PbO Li2O SrO
Crackle Keator 08-05½ 0.16 0.69 0.98 0.22 0.03 0.19 0.63 0.16
Soldner Raku 05½ 0.11 0.7 0.95 0.2 0.03 0.17 0.64 0.16
Gun Metal 08-05½ 0.15 0.67 1.01 0.24 0.04 0.2 0.61 0.15
Silver Nitrate Glaze 08-05½ 0.17 0.69 1.01 0.22 0.03 0.19 0.62 0.16
Raku Transparent 0.15 0.67 1.03 0.23 0.03 0.2 0.61 0.15

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Hazards

09/2016 Note: This is a new feature. If a recipe material is not listed, that material's data has not yet been added. Some materials only have GHS ratings, while others only have HMIS ratings. Warnings differ between systems and countries. Glazy does not take any responsibility for accuracy of linked SDS information. Contact your ceramics supplier for safety information for your specific materials.
Globally Harmonized System (GHS) Hazardous Materials Identification System (HMIS) SDS Link
Material Pictograms Signal Word Hazard Statements Health Flammability Hazard Protection
Gerstley Borate
Kaolin (Theoretical) HarmfulHealth Hazard DANGER SDS for EPK KAOLIN: EPK Kaolin is a naturally occurring mineral, which may contain amounts of crystalline silica
typically 0.1-1.0%, may cause damage to respiratory system through prolonged or repeated
exposure.