Category: Glaze > Iron > Tenmoku, Temmoku
Created 2016-02-13 19:38:59 by Anglian Potters
Categories: Glaze > Iron > Tenmoku, Temmoku
Firing Temperature: Δ9-11
Atmospheres: Reduction, Wood
Surface Type: Glossy
Transparency: Opaque

Used by the Anglian Potters group at pot camp when firing members own pots in the communal gas reduction kilns and wood kiln. when applied thickly in the wood kiln we found it was starting to give little glittery sparkles.

Material Amount Batch Subtotal
Potash Feldspar (Theoretical) 60
Silica 20
HVAR Ball Clay 10
Whiting 10
Red iron oxide 8
Total: 108

Percentage Analysis

Ingredient Amount SiO2 Al2O3 CaO K2O Na2O KNaO Fe2O3 TiO2 LOI
Potash Feldspar (Theoretical)6038.8610.9910.1510.15
Silica2020
HVAR Ball Clay106.572.850.280.040.320.10.15
Whiting105.614.39
Red iron oxide87.60.4
Total10865.4313.845.6110.430.0410.487.70.154.79
100% no LOI 63.3913.415.4410.110.0410.157.460.15

Unity Molecular Formula (UMF)

FLUXES

RO/R2O

0.52 K2O
0.47 CaO
STABILIZERS

R2O3

0.64 Al2O3
GLASS-FORMERS

RO2

5.15 SiO2
0.01 TiO2
OTHER

 

0.23 Fe2O3
SILICA:ALUMINA

SiO2:Al2O3

8.02

FLUX RATIO

R2O:RO

0.53 : 0.47

SiO2:Al2O3 Chart

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

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 8.02

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