Category: Glaze > White, Off-White
Created 2017-05-11 13:46:43 by Jenny Wolfer
Categories: Glaze > White, Off-White
Firing Temperature: Δ5-7
Atmospheres: Oxidation
Surface Type: Glossy
Transparency: Opaque

Very nice opaque, glossy white. Great coverage, even on dark clays.

Material Amount Batch Subtotal
Silica 24
EPK 21
Frit 3134 18
Wollastonite (Theoretical) 17
Custer Feldspar 17
Lithium Carbonate 2
Total Base:99
Zircopax 10
Total: 109

Percentage Analysis

Ingredient Amount SiO2 Al2O3 B2O3 MgO CaO Li2O K2O Na2O KNaO P2O5 Fe2O3 TiO2 ZrO2 LOI
Frit 3134188.374.163.621.851.85
Wollastonite (Theoretical)178.798.21
Custer Feldspar1711.652.890.051.70.512.210.020.05
Lithium Carbonate20.811.19
100% no LOI 62.8510.273.980.0211.40.781.72.273.970.

Unity Molecular Formula (UMF)



0.13 Na2O
0.06 K2O
0.09 Li2O
0.71 CaO


0.35 Al2O3
0.2 B2O3


3.68 SiO2
0.18 ZrO2





0.28 : 0.72

SiO2:Al2O3 Chart

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

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 10.38

Similar Base Recipes

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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
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
1 0 0 E
Wollastonite (Theoretical) Health Hazard DANGER Vansil W-30 Wollastonite SDS:
May cause cancer if inhaled.
Causes damage to organs through prolonged or repeated exposure if inhaled. (respiratory tract)
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.
Lithium Carbonate Harmful WARNING Harmful if swallowed.
Causes serious eye irritation.
Harmful to aquatic life.