Category: Glaze
Created 2017-09-05 01:39:13 by Sue McLeod
Categories: Glaze
Firing Temperature: Δ6
Atmospheres: Oxidation
Surface Type: Glossy

Cedar Hill Studio Randy's Red Glaze

Material Amount Batch Subtotal
Gerstley Borate 30.6
Silica 29.61
Kona F-4 feldspar 19.68
Amtalc-C98 Talc 13.81
EPK 5.05
Bone Ash 1.26
Total Base:100.01
Red iron oxide 15.14
Total: 115.15

Percentage Analysis

Ingredient Amount SiO2 Al2O3 B2O3 MgO CaO K2O Na2O KNaO P2O5 Fe2O3 TiO2 LOI
Gerstley Borate30.64.530.318.21.075.940.121.221.340.030.120.039.03
Silica29.6129.61
Kona F-4 feldspar19.6813.133.850.010.330.941.362.30.010.04
Amtalc-C98 Talc13.817.390.044.070.480.040.040.070.011.66
EPK5.052.311.890.010.010.020.020.010.040.020.75
Bone Ash1.260.70.530.02
Red iron oxide15.1414.380.76
Total115.1556.976.098.25.167.471.132.583.710.5814.620.0612.25
100% no LOI 55.395.927.975.027.261.092.513.610.5614.210.06

Unity Molecular Formula (UMF)

FLUXES

RO/R2O

0.13 Na2O
0.04 K2O
0.42 CaO
0.41 MgO
STABILIZERS

R2O3

0.19 Al2O3
0.37 B2O3
GLASS-FORMERS

RO2

3.01 SiO2
OTHER

 

0.29 Fe2O3
0.01 P2O5
SILICA:ALUMINA

SiO2:Al2O3

15.88

FLUX RATIO

R2O:RO

0.17 : 0.83

SiO2:Al2O3 Chart

Closest 100 neighbors in Glaze.

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 15.88

Similar Base Recipes

No recipes with similar base ingredients and amounts were found.

Similar RO/R2O Unity Formulas

R2O3 - STABILIZERS RO2 - GLASS FORMERS RO/R2O - FLUXES
Recipe Name ΔTemp Al2O3 B2O3 SiO2 ZrO2 SnO2 TiO2 KNaO K2O Na2O CaO MgO ZnO BaO PbO Li2O SrO
Randy's Red (Cedar Hill) 6 0.19 0.37 3.01 0.17 0.04 0.13 0.42 0.41
Randy's Red 5-6 0.18 0.32 2.99 0.16 0.07 0.09 0.39 0.45
Red Towy 6 0.15 0.38 3.03 0.15 0.06 0.09 0.41 0.44
Kaki with Gillespie Borate 6 0.19 0.34 3.04 0.16 0.07 0.09 0.4 0.43

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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
Gerstley Borate
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
Amtalc-C98 Talc Harmful WARNING Causes mild skin irritation
Harmful if inhaled
May cause respiratory irritation
1 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
Bone Ash
Red iron oxide Health Hazard WARNING May cause damage to lung through prolonged or repeated exposure by inhalation