Category: Glaze
Created 2017-09-04 05:15:28 by Sue McLeod
Categories: Glaze
Firing Temperature: Δ6
Atmospheres: Oxidation
Surface Type: Glossy
Transparency: Opaque

Cedar Hill Studio original Sapphire blue recipe.

It has an excess of B2O3 and R2O in it. Hasn't been tested for durability.

Material Amount Batch Subtotal
Frit 3134 39.2
Custer Feldspar 23.5
EPK 23.5
Silica 13.8
Total Base:100
Rutile 4
Cobalt Carbonate 2
Total: 106

Percentage Analysis

Ingredient Amount SiO2 Al2O3 B2O3 MgO CaO K2O Na2O KNaO P2O5 Fe2O3 TiO2 CoO LOI
Frit 313439.218.239.057.894.034.03
Custer Feldspar23.516.140.072.350.713.060.020.07
EPK23.510.758.780.020.040.080.020.10.060.180.093.48
Silica13.813.8
Rutile40.43.6
Cobalt Carbonate21.260.74
Total10658.8712.779.050.0282.434.757.180.060.63.691.264.29
100% no LOI 57.9912.588.920.027.882.394.687.070.060.593.631.24

Unity Molecular Formula (UMF)

FLUXES

RO/R2O

0.31 Na2O
0.11 K2O
0.58 CaO
STABILIZERS

R2O3

0.51 Al2O3
0.53 B2O3
GLASS-FORMERS

RO2

3.99 SiO2
0.19 TiO2
OTHER

 

0.02 Fe2O3
0.07 CoO
SILICA:ALUMINA

SiO2:Al2O3

7.82

FLUX RATIO

R2O:RO

0.42 : 0.58

SiO2:Al2O3 Chart

Closest 100 neighbors in Glaze.

Click and drag to zoom
Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 7.82

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
Sapphire Blue (Cedar Hill) 6 0.51 0.53 3.99 0.19 0.42 0.11 0.31 0.58
Frogpond Sapphire Blue 6 0.51 0.53 3.99 0.19 0.42 0.11 0.31 0.58

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.
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
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
Rutile 1 0 0
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 *