Category: Glaze
Created 2017-09-05 16:56:17 by Sue McLeod
Categories: Glaze
Firing Temperature: Δ6
Atmospheres: Oxidation
Surface Type: Matte - Semi
Transparency: Opaque

Cedar Hill Studio Eggshell recipe. This is a reformulated version of CH Orange Brown.

Material Amount Batch Subtotal
Spodumene - Canadian 32
Minspar 200 18
EPK 16
Gerstley Borate 12
Frit 3134 8
Dolomite 6
Amtalc-C98 Talc 6
Silica 2
Total Base:100
Tin Oxide 3.5
Yellow Ochre 2.5
Red iron oxide 1
Total: 107

Percentage Analysis

Ingredient Amount SiO2 Al2O3 B2O3 MgO CaO Li2O K2O Na2O KNaO P2O5 Fe2O3 TiO2 MnO2 SnO2 LOI
Spodumene - Canadian3221.28.152.320.070.10.170.110.040.02
Minspar 2001812.43.340.270.741.181.920.010.05
EPK167.325.980.020.030.060.010.070.040.120.062.37
Gerstley Borate121.780.123.220.422.330.050.480.530.010.050.013.54
Frit 313483.721.851.610.820.82
Dolomite61.311.832.86
Amtalc-C98 Talc63.210.021.770.210.020.020.030.010.72
Silica22
Tin Oxide3.53.5
Yellow Ochre2.51.450.50.010.55
Red iron oxide10.950.05
Total10753.0718.115.063.526.282.320.932.593.510.171.750.080.023.59.59
100% no LOI 54.4918.65.23.626.452.380.952.663.610.171.80.080.023.59

Unity Molecular Formula (UMF)

FLUXES

RO/R2O

0.13 Na2O
0.03 K2O
0.24 Li2O
0.34 CaO
0.27 MgO
STABILIZERS

R2O3

0.54 Al2O3
0.22 B2O3
GLASS-FORMERS

RO2

2.69 SiO2
0.07 SnO2
OTHER

 

0.03 Fe2O3
SILICA:ALUMINA

SiO2:Al2O3

4.97

FLUX RATIO

R2O:RO

0.39 : 0.61

SiO2:Al2O3 Chart

Closest 100 neighbors in Glaze.

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 4.97

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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
Minspar 200 Health Hazard WARNING May cause damage to lung through prolonged or repeated inhalation 2 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
exposure.
1 0 0 E
Gerstley Borate
Dolomite Health Hazard DANGER May cause cancer (Inhalation) 1 0 0 E
Amtalc-C98 Talc Harmful WARNING Causes mild skin irritation
Harmful if inhaled
May cause respiratory irritation
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
Tin Oxide Harmful WARNING Harmful if swallowed.
Yellow Ochre Health Hazard DANGER May cause cancer.
Red iron oxide Health Hazard WARNING May cause damage to lung through prolonged or repeated exposure by inhalation