Category: Glaze
Created 2016-12-26 16:41:08 by Anglian Potters
Categories: Glaze
Firing Temperature: Δ10
Atmospheres: Wood
Surface Type: Matte
Transparency: Opaque

Has been used at the annual pot camp in the wood kiln. 2017 batch is giving a matt finish, with speckling, even over iron poor clays

Material Amount Batch Subtotal
Nepheline Syenite (Theoretical) 70
Red clay 10
Titanium Dioxide 10
Kaolin (Theoretical) 10
Total: 100

Percentage Analysis

Ingredient Amount SiO2 Al2O3 MgO CaO K2O Na2O KNaO P2O5 Fe2O3 TiO2 LOI
Nepheline Syenite (Theoretical)7042.4916.310.070.493.226.8610.080.070.49
Red clay106.51.550.160.030.420.040.460.020.710.110.48
Titanium Dioxide1010
Kaolin (Theoretical)104.734.021.25
Total10053.7121.880.230.523.646.910.530.020.7710.112.22
100% no LOI 54.9322.380.230.533.727.0510.770.020.7910.34

Unity Molecular Formula (UMF)

FLUXES

RO/R2O

0.68 Na2O
0.23 K2O
0.06 CaO
0.03 MgO
STABILIZERS

R2O3

1.3 Al2O3
GLASS-FORMERS

RO2

5.43 SiO2
0.77 TiO2
OTHER

 

0.03 Fe2O3
SILICA:ALUMINA

SiO2:Al2O3

4.17

FLUX RATIO

R2O:RO

0.91 : 0.09

SiO2:Al2O3 Chart

Closest 100 neighbors in Glaze.

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 4.17

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
Titanium Dioxide Health Hazard WARNING Suspected of causing cancer
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.