Category: Glaze > Matte
Created 2015-07-23 09:23:27 by Glazy Admin
Categories: Glaze > Matte
Firing Temperature: Δ6
Atmospheres: Oxidation
Surface Type: Matte

Source/Alternate names: Clay Times, May/June 2004 Some Bright Green Julia Galloway

Firing Notes: cool maximum rate to 800C hold 1 hour

Notes: Alisa Clausen: With 3 copper carbonate, stony mat bright copper green, with darker olive green where thickest.
With 3 cobalt carbonate, stony mat deep dark blue. Iron specs in clay body show through as spread out rust spots, this otherwise
covering glaze.
With 2 rutile, stony mat white with a yellow cast where thinner. Iron specs in clay showed through.
With 1-3 red iron oxide, stony mat dark caramel rust.

Material Amount Batch Subtotal
Custer Feldspar 40.91
Strontium Carbonate 31.82
Ball Clay (Theoretical) 11.82
Zinc Oxide 9.09
Whiting 6.36
Total: 100

Percentage Analysis

Ingredient Amount SiO2 Al2O3 MgO CaO SrO ZnO K2O Na2O KNaO Fe2O3 TiO2 LOI
Custer Feldspar40.9128.026.950.124.091.235.320.040.12
Strontium Carbonate31.8222.349.48
Ball Clay (Theoretical)11.826.982.960.040.040.110.050.160.120.121.42
Zinc Oxide9.099.09
Whiting6.363.572.79
Total100359.910.043.7322.349.094.21.275.470.160.1213.82
100%359.910.043.7322.349.094.21.275.470.160.1213.82
100% no LOI 40.7711.550.044.3426.0210.594.891.486.370.190.14

Unity Molecular Formula (UMF)

FLUXES

RO/R2O

0.05 Na2O
0.1 K2O
0.47 SrO
0.24 ZnO
0.14 CaO
STABILIZERS

R2O3

0.21 Al2O3
GLASS-FORMERS

RO2

1.27 SiO2
SILICA:ALUMINA

SiO2:Al2O3

6.00

FLUX RATIO

R2O:RO

0.14 : 0.86

SiO2:Al2O3 Chart

Closest 100 neighbors in Glaze > Matte.

Click and drag to zoom
Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 6

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
Galloway Some Bright Base 6 0.21 1.27 0.15 0.1 0.05 0.14 0.24 0.47
Galloway Some Bright Green (+ Iron) 6 0.21 1.27 0.15 0.1 0.05 0.14 0.24 0.47
Some Bright Green Glaze 2Cu Carb. 6 0.21 1.27 0.15 0.1 0.05 0.14 0.24 0.47

No reviews yet.

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
Custer Feldspar HarmfulHealth Hazard WARNING May cause damage to lungs through prolonged or repeated inhalation.
Suspected of causing cancer through
prolonged or repeated inhalation.
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
May cause skin or eye irritation.
Strontium Carbonate Harmful WARNING Product dust may be irritating to eyes,skin and respiratory system.  1 0 0 E
Zinc Oxide 0 0 0 *
Whiting Harmful WARNING Causes eye irritation