Category: Glaze > Raku
Created 2017-11-06 22:21:33 by IU Southeast Ceramics
Categories: Glaze > Raku
Firing Temperature: Δ06-04
Atmospheres: Raku
Surface Type: Matte
Transparency: Opaque

Material Amount Batch Subtotal
Gerstley Borate 50
Borax 50
Bone Ash 15
Total Base:115
Copper Carbonate 3
Cobalt Carbonate 3
Total: 121

Percentage Analysis

Ingredient Amount SiO2 Al2O3 B2O3 MgO CaO K2O Na2O KNaO P2O5 Fe2O3 TiO2 CoO CuO LOI
Gerstley Borate507.40.513.41.759.70.222.20.050.20.0514.75
Borax5018.268.138.1323.61
Bone Ash158.376.360.27
Copper Carbonate31.931.07
Cobalt Carbonate31.891.11
Total1217.40.531.661.7518.070.210.1310.336.410.20.051.891.9340.8
100% no LOI 9.230.6239.482.1822.530.2512.6312.887.990.250.062.362.41

Unity Molecular Formula (UMF)

FLUXES

RO/R2O

0.31 Na2O
0.61 CaO
0.08 MgO
STABILIZERS

R2O3

0.01 Al2O3
0.86 B2O3
GLASS-FORMERS

RO2

0.23 SiO2
OTHER

 

0.08 P2O5
0.05 CoO
0.05 CuO
SILICA:ALUMINA

SiO2:Al2O3

25.06

FLUX RATIO

R2O:RO

0.31 : 0.69

SiO2:Al2O3 Chart

Closest 63 neighbors in Glaze > Raku.

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 25.06

Similar Base Recipes

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Similar RO/R2O Unity Formulas

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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
Borax 1 0 0 *
Bone Ash
Copper Carbonate Harmful WARNING Harmful if swallowed.
Causes skin irritation.
Causes serious eye irritation.
Cobalt Carbonate Health HazardEnvironmental Hazard DANGER May cause cancer
Suspected of causing genetic effects
May damage fertility or the unborn child
May cause allergy or breathing difficulties if inhaled
May cause a allergic skin reaction
Very toxic to aquatic life
Very toxic to aquatic life with long lasting effects
2 0 0 *