Category: Glaze > Iron > Tenmoku, Temmoku
Created 2017-09-02 15:43:34 by chance taylor
Categories: Glaze > Iron > Tenmoku, Temmoku
Firing Temperature: Δ10-12
Atmospheres: Reduction
Surface Type: Glossy - Semi
Transparency: Opaque

Works best when applied thickly, does not tend to run. If applied thinly you will get more brown then black, not very appealing.

Material Amount Batch Subtotal
Custer Feldspar 77
Gillespie Borate 12.4
Whiting 6.2
EPK 4.3
Silica 0.1
Total Base:100
Red iron oxide 7.5
Total: 107.5

Percentage Analysis

Ingredient Amount SiO2 Al2O3 B2O3 MgO CaO SrO K2O Na2O KNaO P2O5 Fe2O3 TiO2 LOI
Custer Feldspar7752.7513.090.237.72.3110.010.080.23
Gillespie Borate12.41.460.213.040.482.850.060.470.473.83
Whiting6.23.482.72
EPK4.31.971.610.010.010.010.010.030.020.64
Silica0.10.1
Red iron oxide7.57.130.38
Total107.556.2714.913.040.496.570.067.712.7810.50.017.230.027.8
100% no LOI 56.7915.043.070.496.630.067.792.8110.590.017.30.02

Unity Molecular Formula (UMF)

FLUXES

RO/R2O

0.18 Na2O
0.32 K2O
0.45 CaO
0.05 MgO
STABILIZERS

R2O3

0.57 Al2O3
0.17 B2O3
GLASS-FORMERS

RO2

3.66 SiO2
OTHER

 

0.18 Fe2O3
SILICA:ALUMINA

SiO2:Al2O3

6.41

FLUX RATIO

R2O:RO

0.5 : 0.5

SiO2:Al2O3 Chart

Closest 81 neighbors in Glaze > Iron > Tenmoku, Temmoku.

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 6.41

Similar Base Recipes

Δ9 - 11

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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.
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
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
Red iron oxide Health Hazard WARNING May cause damage to lung through prolonged or repeated exposure by inhalation