Category: Glaze > Majolica
Created 2017-10-11 22:44:38 by Sid Henderson
Categories: Glaze > Majolica
Firing Temperature: Δ04
Atmospheres: Oxidation
Surface Type: Glossy
Transparency: Opaque

A majolica glaze. I use this one mainly for the opaque white gloss in my sculpture's eyes.

Applying a mixture of Chromium Oxide, Colemanite, EPK 1:1:2 works wonderfully as a grass green "ink".

Depending on how my sculptures develop I may try other combinations.

Material Amount Batch Subtotal
Frit 3124 65.7
G200 HP Feldspar, G200HP 17.2
EPK 10.8
Nepheline Syenite (Theoretical) 6.2
Total Base:99.9
Zircopax 10
Tin Oxide 5
Bentonite 2
CMC 0.002
Epsom salts 0.002
Total: 116.904

Percentage Analysis

Ingredient Amount SiO2 Al2O3 B2O3 MgO CaO K2O Na2O KNaO P2O5 Fe2O3 TiO2 ZrO2 SnO2 LOI
Frit 312465.736.336.59.049.250.444.134.57
G200 HP Feldspar, G200HP17.211.353.150.052.440.152.590.020.03
EPK10.84.944.030.010.020.040.010.050.030.080.041.6
Nepheline Syenite (Theoretical)6.23.761.440.010.040.290.610.90.010.04
Zircopax103.286.72
Tin Oxide55
Bentonite21.190.40.040.020.020.060.080.070.2
CMC0
Epsom salts0
Total116.960.8515.539.040.069.383.234.968.190.030.170.046.7251.87
100% no LOI 52.913.57.860.058.162.814.317.120.020.150.045.844.35

Unity Molecular Formula (UMF)

FLUXES

RO/R2O

0.28 Na2O
0.12 K2O
0.59 CaO
0.01 MgO
STABILIZERS

R2O3

0.54 Al2O3
0.46 B2O3
GLASS-FORMERS

RO2

3.58 SiO2
0.19 ZrO2
0.12 SnO2
SILICA:ALUMINA

SiO2:Al2O3

6.65

FLUX RATIO

R2O:RO

0.4 : 0.6

SiO2:Al2O3 Chart

Closest 85 neighbors in Glaze > Majolica.

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 6.65

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
Arbuckle's Majolica 04 0.54 0.46 3.58 0.19 0.12 0.4 0.12 0.28 0.59 0.01
Linda Arbuckle 04 0.54 0.45 3.54 0.19 0.12 0.4 0.06 0.34 0.6 0.01
Axner Base 04-03 0.55 0.45 3.56 0.19 0.12 0.4 0.06 0.34 0.6
Majolica Arbuckle 04 0.54 0.46 3.56 0.15 0.09 0.4 0.06 0.34 0.6 0.01
Majolica Arbuckle w 3134 04 0.55 0.46 3.57 0.16 0.1 0.4 0.17 0.23 0.6

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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
Zircopax
Tin Oxide Harmful WARNING Harmful if swallowed.
Bentonite Harmful WARNING Causes eye irritation
Causes skin irritation
May cause respiratory irritation
CMC 0 1 0 *
Epsom salts