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General Raw Materials
Alumina Hydrate
$3.50
Source of Alumina in Glazes
Dolomite (Dolocron)
$5.50
Calcium Magnesium Source.
Strontium Carbonate Fine
$3.50
Source of Strontium, Flux, May sub. for Barium.
Spodumene Substitute
$18.00
Sold by the pound. Substitute for Spodumene. A source of lithia, which is a flux, that helps to develop copper blue tone glazes. Can replace feldspar and also reduces the vitrification temperature and shrinkage rate in glazes.
Lithium Carbonate Fine
$32.35
Source of Lithia - strong flux.
Soda Ash
$3.50
Sodium carbonate, Flux and deflocculant.
Bone Ash
$3.50
Calcium phosphate source.
Ultrox 500W
$5.86
Opacifer. Controls crazing. Repalces Zircopax and Zircopax Plus.
CMC Gum, Powder
$8.42
Organic Gum, Thickener, binder, suspender. 9.4.2024 Amtex CMC has replaced Hercules CMC. The new Amtex CMC should be used at a ratio of approximately 35% of the amount of Hercules formerly used in glazes. Please test prior to production!
Cornwall Stone sub by Laguna
$3.50
This Cornish Stone substitute is a calcium feldspar mineral used as a major constituent of glazes, and occasionally as a flux in bodies. Cornwall Stone is partially kaolinized, and can contain between 5-12% Kaolin. Nearly free from Iron, it is very white and opaque. Due to a 50% rise in the cost of already expensive Cornwall Stone Substitute a...
Alberta Slip Clay
$3.50
"A popular Canadian blended substitute for the old Albany (NY) Slip. Albany Slip was frequently used as a glaze additive, and boasted a high proportion of fluxes, which combined with a very fine grain caused it to melt at around 1240˚C. See also Albany Slip Substitute and Arroyo Slip."
Ravenscrag Slip Dry Clay
$9.05
Ravenscrag Slip Dry Clay
Ilmenite Granular
$3.50
Iron & Titanium Oxide, Ferrous Titanate
Barium – German
$2.50
Use with clay bodies to min. scumming.
Pumice – FFF
$3.50
Volcanic Ash. Use in glazes only.
Pyropholite (Pyrax B)
$5.50
Hydrated aluminum-silicate. Similar to Talc.
Borax – Powder
$3.50
H2O soluble, Sodium Boric Ox. Source.
Potassium Carbonate
$5.04
Pearl Ash. Strong flux.
Albany Slip Sub, SG328
$3.50
"Through years of formulation and reformulation, Karl Miller developed Albany Slip Substitute which is intended to reproduce the physical and performance characteristics of the famed Albany (NY) Slip once mined only two hours from Miller’s ceramic lab. See also Alberta Slip clay and Arroyo Slip clay."
Lithium Carbonate Coarse
$63.64
Source of Lithia - strong flux.
Gillespie Borate
$7.30
Gerstley Borate substitute made by Hammill & Gillespie
Alumina Oxide (Calcined)
$5.99
"Responsible for the mattness or brilliance of glazes. Prevents devitrification and adds strength. Insoluble in water and melts at 3550˚ F. Use of too much alumina can cause a dry appearance."
Tri-Calcium Phosphate
$7.97
Similar to Bone Ash. Flux.
Pulp – Paper
$3.72
Pulp – Paper
Cryolite
$4.17
Sodium alumia source, Strong Flux.
Zircon G, Milled
$6.22
Opacifer. Controls crazing.
P.V. Clay
$5.50
Feldspar. High soda and potash.
Mica 325 Mesh
$3.50
Added to glazes to reduce crazing.
Pyropholite (Pyrotrol)
$5.50
Controls shrinkage in whiteware bodies.
Sodium Bicarbonate
$3.50
Baking soda. Soluble.
Dextrin
$3.50
Organic Binder.
Gum Arabic
$18.79
Powdered natural gum. Glaze suspender.
Fluorspar Superfine
$3.50
Calcium compound with low flux temp.
Brushing Medium
$23.43
Organic Gum. Add to glazes to increase brushability.
Borax – Granular
$3.50
H2O soluble. Sodium Boric Ox. Source.
Barnard Clay Sub – SG758
$3.50
Synthetic sub for Barnard clay.