Category: Glaze > Iron > Tenmoku, Temmoku
Created 2015-10-19 02:55:04 by Terry Rorison
Categories: Glaze > Iron > Tenmoku, Temmoku
Firing Temperature: Δ6
Atmospheres: Oxidation
Surface Type: Glossy
Transparency: Semi-opaque
Material Amount Batch Subtotal
Custer Feldspar 45
Silica 27
Whiting 17
EPK 11
Total Base:100
Red iron oxide 10
Gillespie Borate 5
Bentonite 2
Total: 117

Percentage Analysis

Ingredient Amount SiO2 Al2O3 B2O3 MgO CaO SrO K2O Na2O KNaO P2O5 Fe2O3 TiO2 LOI
Custer Feldspar4530.837.650.144.51.355.850.050.14
Silica2727
Whiting179.547.46
EPK115.034.110.010.020.040.010.050.030.080.041.63
Red iron oxide109.50.5
Gillespie Borate50.590.081.220.191.150.020.190.191.55
Bentonite21.190.40.040.020.020.060.080.070.2
Total11764.6312.251.220.2510.860.024.561.616.160.039.70.0411.47
100% no LOI 61.4611.641.160.2310.330.024.331.535.860.039.220.04

Unity Molecular Formula (UMF)

FLUXES

RO/R2O

0.09 Na2O
0.18 K2O
0.7 CaO
0.02 MgO
STABILIZERS

R2O3

0.44 Al2O3
0.06 B2O3
GLASS-FORMERS

RO2

3.93 SiO2
OTHER

 

0.22 Fe2O3
SILICA:ALUMINA

SiO2:Al2O3

8.95

FLUX RATIO

R2O:RO

0.27 : 0.73

SiO2:Al2O3 Chart

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 8.95

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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
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.
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
Whiting Harmful WARNING Causes eye irritation
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
Red iron oxide Health Hazard WARNING May cause damage to lung through prolonged or repeated exposure by inhalation
Bentonite Harmful WARNING Causes eye irritation
Causes skin irritation
May cause respiratory irritation