Category: Glaze > Iron > Tenmoku, Temmoku
Created 2017-09-26 17:15:55 by Tom Demeranville
Categories: Glaze > Iron > Tenmoku, Temmoku
Firing Temperature: Δ6
Surface Type: Matte

Lowered the lithium to 4% to stop running. Glaze less runny, but otherwise unchanged.

Extreme slow cool can make it go matte.

Material Amount Batch Subtotal
Cornwall Stone 61
Red iron oxide 10
Whiting 8
Dolomite 7
Silica 5.5
Lithium Carbonate 4
Gerstley Borate 3
Total: 98.5

Percentage Analysis

Ingredient Amount SiO2 Al2O3 B2O3 MgO CaO Li2O K2O Na2O KNaO P2O5 Fe2O3 TiO2 LOI
Cornwall Stone61459.960.091.112.622.014.630.120.09
Red iron oxide109.50.5
Whiting84.493.51
Dolomite71.532.133.33
Silica5.55.5
Lithium Carbonate41.632.37
Gerstley Borate30.440.030.80.10.580.010.120.130.010.89
Total98.550.959.990.81.728.311.632.642.134.7709.630.0910.6
100%51.7210.140.821.758.441.652.682.164.8409.780.110.76
100% no LOI 57.9611.370.911.969.451.8532.425.42010.960.11

Unity Molecular Formula (UMF)

FLUXES

RO/R2O

0.11 Na2O
0.09 K2O
0.18 Li2O
0.48 CaO
0.14 MgO
STABILIZERS

R2O3

0.32 Al2O3
0.04 B2O3
GLASS-FORMERS

RO2

2.75 SiO2
OTHER

 

0.2 Fe2O3
SILICA:ALUMINA

SiO2:Al2O3

8.65

FLUX RATIO

R2O:RO

0.38 : 0.62

SiO2:Al2O3 Chart

Closest 77 neighbors in Glaze > Iron > Tenmoku, Temmoku.

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 8.65

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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
Red iron oxide Health Hazard WARNING May cause damage to lung through prolonged or repeated exposure by inhalation
Whiting Harmful WARNING Causes eye irritation
Dolomite Health Hazard DANGER May cause cancer (Inhalation) 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
Lithium Carbonate Harmful WARNING Harmful if swallowed.
Causes serious eye irritation.
Harmful to aquatic life.
Gerstley Borate