Category: Glaze > Matte
Created 2002-10-17 09:00:00 by Glazy Admin
Categories: Glaze > Matte
Firing Temperature: Δ6
Atmospheres: Oxidation
Surface Type: Matte

Glaze Type: Mid-fire
Eggshell- 2 rutile
Dark purple- .5 cobalt, 4 Blackberry wine MS
Sunny Yellow- 6 Preseodemium Yellow MS, 2.5 Bright orange degusa stain
Cherry Red- 9 Red degusa stain
Beautiful, rich, semi-translucent matte. Use same colorants as KK

Material Amount Batch Subtotal
EPK 25.3
Nepheline Syenite (Theoretical) 22.7
Whiting 22.4
Silica 15
Frit 3124 8.8
Gerstley Borate 2.9
Magnesium carbonate 2.9
Total: 100

Percentage Analysis

Ingredient Amount SiO2 Al2O3 B2O3 MgO CaO K2O Na2O KNaO P2O5 Fe2O3 TiO2 LOI
EPK25.311.579.450.030.050.090.020.110.070.190.13.75
Nepheline Syenite (Theoretical)22.713.785.290.020.161.042.223.260.020.16
Whiting22.412.579.83
Silica1515
Frit 31248.84.870.871.211.240.060.550.61
Gerstley Borate2.90.430.030.780.10.560.010.120.130.010.86
Magnesium carbonate2.91.391.51
Total10045.6415.641.991.5414.571.22.914.110.070.230.116.11
100% no LOI 54.4118.642.371.8317.371.433.474.90.080.270.12

Unity Molecular Formula (UMF)

FLUXES

RO/R2O

0.13 Na2O
0.04 K2O
0.73 CaO
0.11 MgO
STABILIZERS

R2O3

0.43 Al2O3
0.08 B2O3
GLASS-FORMERS

RO2

2.12 SiO2
SILICA:ALUMINA

SiO2:Al2O3

4.95

FLUX RATIO

R2O:RO

0.17 : 0.83

SiO2:Al2O3 Chart

Closest 100 neighbors in Glaze > Matte.

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 4.95

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
EPK HarmfulHealth Hazard DANGER 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.
1 0 0 E
Whiting Harmful WARNING Causes eye irritation
Silica HarmfulHealth Hazard DANGER From 200-Mesh SDS:
May cause cancer by inhalation.
Causes damage to lungs through prolonged or repeated exposure by inhalation.
* 0 0 E
Gerstley Borate
Magnesium carbonate WARNING Causes mild skin irritation
Causes eye irritation