Category: Glaze
Created 2017-11-29 14:43:08 by Clemson University---Ceramic Dept.
Categories: Glaze
Firing Temperature: Δ05-04
Atmospheres: Oxidation

Bumby's Beads glaze for introduction to ceramics ART 2170

Material Amount Batch Subtotal
Magnesium carbonate 32
Gerstley Borate 31
Borax 25
Silica 6
Zircopax 6
Total: 100

Percentage Analysis

Ingredient Amount SiO2 Al2O3 B2O3 MgO CaO K2O Na2O KNaO P2O5 Fe2O3 TiO2 ZrO2 LOI
Magnesium carbonate3215.316.7
Gerstley Borate314.590.318.311.086.010.121.241.360.030.120.039.15
Borax259.134.074.0711.8
Silica66
Zircopax61.974.03
Total10012.550.3117.4416.386.010.125.315.430.030.120.034.0337.65
100% no LOI 20.140.527.9726.279.640.28.518.710.050.20.056.47

Unity Molecular Formula (UMF)

FLUXES

RO/R2O

0.14 Na2O
0.18 CaO
0.68 MgO
STABILIZERS

R2O3

0.01 Al2O3
0.42 B2O3
GLASS-FORMERS

RO2

0.35 SiO2
0.05 ZrO2
SILICA:ALUMINA

SiO2:Al2O3

68.57

FLUX RATIO

R2O:RO

0.14 : 0.86

SiO2:Al2O3 Chart

Closest 100 neighbors in Glaze.

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Stull Chart
SiO2:Al2O3 Ratio
SiO2:Al2O3 Ratio 68.57

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
Bumby's Beads Cone--04 Glaze 05-04 0.01 0.42 0.35 0.05 0.14 0.14 0.18 0.68
Bob Shay's Bead 04 0.01 0.42 0.31 0.14 0.14 0.18 0.67

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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
Magnesium carbonate WARNING Causes mild skin irritation
Causes eye irritation
Gerstley Borate
Borax 1 0 0 *
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
Zircopax