Category: Glaze > White, Off-White
Created 2017-01-26 16:36:18 by Clara Giorello
Categories: Glaze > White, Off-White
Firing Temperature: Δ5-6
Atmospheres: Oxidation
Surface Type: Glossy - Semi
Transparency: Opaque

Receta publicada en el libro "Mid Range Glazes" de John Britt. La receta original lleva Gerstley Borate, que sustituí por frita 174 de Crecer (frita 3134)

Material Amount Batch Subtotal
Soda Feldspar (Theoretical) 18
Silica 18
Kaolin (Theoretical) 18
Dolomite 18
Frit 3134 18
Spodumene (Theoretical) 10
Total Base:100
Tin Oxide 13
Bentonite 2
Red iron oxide 2
Total: 117

Percentage Analysis

Ingredient Amount SiO2 Al2O3 B2O3 MgO CaO Li2O K2O Na2O KNaO Fe2O3 SnO2 LOI
Soda Feldspar (Theoretical)1812.373.52.132.13
Kaolin (Theoretical)188.517.242.25
Frit 3134188.374.163.621.851.85
Spodumene (Theoretical)106.462.740.8
Tin Oxide1313
Red iron oxide21.90.1
100% no LOI 51.8513.113.933.768.620.760.023.813.831.8612.28

Unity Molecular Formula (UMF)



0.18 Na2O
0.08 Li2O
0.46 CaO
0.28 MgO


0.38 Al2O3
0.17 B2O3


2.58 SiO2
0.24 SnO2


0.03 Fe2O3





0.26 : 0.74

SiO2:Al2O3 Chart

Closest 100 neighbors in Glaze > White, Off-White.

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 6.71

Similar RO/R2O Unity Formulas

No recipes with similar RO/R2O Unity Formulas were found.

sean byrne 2017-05-11 16:16:32
It has been a very stable and popular glaze for my dishware. Will be a rust colour when thin - to a creamy warm white when quite thick. I find a longer single dip gives excellent results. Is being used on dishware in a commercial kitchen - no known issues after a year in use.


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
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
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
Dolomite Health Hazard DANGER May cause cancer (Inhalation) 1 0 0 E
Spodumene (Theoretical) Health Hazard DANGER May cause cancer by inhalation.
Causes damage to organs through prolonged or repeated exposure.
Tin Oxide Harmful WARNING Harmful if swallowed.
Bentonite Harmful WARNING Causes eye irritation
Causes skin irritation
May cause respiratory irritation
Red iron oxide Health Hazard WARNING May cause damage to lung through prolonged or repeated exposure by inhalation