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Flux Source

Materials that source Na2O, K2O, Li2O, CaO, MgO and other fluxes but are not feldspars or frits. Remember that materials can be flux sources but also perform many other roles. For example, talc is a flux in high temperature glazes, but a matting agent in low temperatures ones. It can also be a flux, a filler and an expansion increaser in bodies.

Related Information

Links

Glossary Flux
Fluxes are the reason we can fire clay bodies and glazes in common kilns, they make glazes melt and bodies vitrify at lower temperatures.
Materials 4392 Rosa Blanca
Materials Amblygonite
Materials Anhydrous Borax
A white, odorless product crystalline granular by dehydrating Borax to remove the crystal bound water.
Materials Antimonate Of Lead
Materials Applewood Ash
A type of wood ash used as an ingredient in pottery glazes.
Materials Barium Carbonate
A pure source of BaO for ceramic glazes. This is 77% BaO and has an LOI of 23% (lost at CO2 on firing).
Materials Barium Sulfate
Materials Beryllium Oxide
Materials Bone Ash
Materials Boraq
This Gerstley Borate substitute was available during the early 2000s. Its recipe and development are well documented but two materials are no longer available.
Materials Boraq 2
Materials Boraq 3
Materials Borax Pentahydrate
Materials Boric Acid
Materials Boroflux
Materials Cadmium Sulfide
Materials Cadycal
Materials Calcined Dolomite
Materials Calcium Carbonate
In ceramics, calcium carbonate is primarily a source of CaO in raw stoneware and porcelain glazes.
Materials Calcium Silicate
Materials Calcium Sulfide
Materials Caltalc
Materials Ceramitalc
Materials Ceramitalc 10A
Materials Ceramitalc HDT
Materials Ceramitalc No. 1
Materials Chilean Ulexite
Materials Cimcoat 325 Talc
Materials Colemanite
A natural source of boron that melts at a very low temperature.
Materials Copper Sulfate
Materials Cryolite
Materials Dolomite
An inexpensive source of MgO and CaO for ceramic glazes, also a highly refractory material when fired in the absence of reactant fluxes.
Materials Eucalyptus Ash
A type of wood ash used as an ingredient in pottery glazes.
Materials Fluorspar
Materials Potassium Fluoride
Materials Gerstley Borate
Gerstley Borate was a natural source of boron for ceramic glazes. It was plastic and melted clear at 1750F. Now we need to replace it. How?
Materials Glacier 200 Talc
Materials Glass Cullet
Materials I.T. Talc
Materials Ilmenite
Materials Lead Antimonate
Materials Lead Carbonate
Materials Lead Chromate
Materials Litharge
Materials Lead Sesquisilicate Frit
A standard frit of 1 molar part of PbO and 1.5 of SiO2. It melts lower than a lead bisilicate.
Materials Light Magnesium Carbonate
A refractory feather-light white powder used as a source of MgO and matting agent in ceramic glazes
Materials Lime
Materials Limestone
Materials Lithium Carbonate (Foote)
Materials Lithium Carbonate
A powerful melter very valuable in ceramic glazes. It is 40% Li2O and has an LOI of 60% (lost as CO2 on firing). This material in now incredibly expensive.
Materials Magnesite
Materials Mt. St. Helens Ash
Materials Navajo Pumice
Materials Nytal Talc
Materials Oakwood Ash
A type of wood ash used as an ingredient in pottery glazes.
Materials Oyster Shells
Materials Pearl Ash Calcined
Materials Pine Wood Ash
A type of wood ash used as an ingredient in pottery glazes.
Materials Pioneer 2661 Talc
Materials Pearl Ash
Materials Potassium Nitrate
Materials Red Lead
Materials Rice Straw Ash
A type of plant ash sometimes used as an ingredient in pottery glazes.
Materials Sea Shells
Materials Silverline 303 Talc
Materials Sodium Carbonate
Materials Sodium Sulfate Decahydrate
Materials Soft Wood Ash
A type of wood ash used as an ingredient in pottery glazes.
Materials Strontium Carbonate
A pure source of SrO for ceramic glazes. It contains 70% SrO and has an LOI of 30% (released as CO2 during firing).
Materials Talc
A source of MgO for ceramic glazes, a flux or thermal expansion additive in clay bodies, also used in the manufacture of cordierite.
Materials Talcron
Materials Texas Talc 286
Materials Turkish Ulexite
A mineral with very high B2O3 and CaO content.
Materials Ulexite
A natural source of boron, it melts at a very low temperature to a clear glass.
Materials Volcanic Ash
Powdered volcanic ash is used to make ceramic glazes, some varieties have a chemistry similar enough to glaze that high percentages can be employed.
Materials Potassium Carbonate Trihydrate
Materials Wollastonite
Materials Vansil Wollastonite
Materials Zinc Oxide
A pure source of ZnO for ceramic glazes, it is 100% pure with no LOI.
Materials Sodium Fluoride
Materials Muscovite Mica
Materials Sodium Fluosilicate
Materials Sylvite
Materials Wood Ash
For centuries, pottery glazes have been made from ash mostly mixed with clay and feldspar.
Materials ABC Colemanite
Materials Laguna Borate
A Gerstley Borate substitute that was available during the early 2000s.
Materials Camadil 95 Dolomite
Materials Light Magnesium Carbonate C2FD
Materials Turkish Colemanite
A mineral with very high B2O3 and CaO content.
Materials IMCO Borate
A Gerstley Borate substitute that was available during the early 2000s.
Materials Colemanite 38
Materials Hydroboracite 30
Materials Roudnice Talc
Materials Kuncice Dolomite
Materials Vapenec Whiting
Materials Borax Decahydrate
Materials Boric Oxide
Materials CGS 3.1 Spodumene
Materials Disodium Octaborate Tetrahydrate
Materials Snocal 40
Materials Texas Talc 92
Materials Noor Talc
Materials Noor Albite
Materials Noor Hematite
Materials Suzorite 325-PE
Materials Gerstley Bor (99)
Materials Gers Borate 9/97
Materials Volcanic Ash 2
Materials Dolowhite
Materials Vicron Whiting
Materials Marblewhite Whiting
Materials CT-30 Talc
Materials Sierralite Talc
Materials TDM 92 Talc
Materials Nyad 325 Wollastonite
Materials Talc 2C
Materials Luzenac Talc 00S
Materials KARIBIB Dolomite
Materials USAKOS Wollastonite
Materials Desertalc
Materials Pfizer Wollastonite
Materials Grapevine Ash
Materials Colemanite AM
Materials Sodium Tripolyphosphate
Materials Hydrated Lime
Materials Potasium Nitrate
Materials Sodium Nitrate
Materials Anhydrous Sodium Sulfate
Materials Potassium Cryolite
Materials Lead Fluoride
Materials Barium Fluoride
Materials Zinc Carbonate
Materials Ceramelt
Materials Mount Pinatubo Ash
Materials Zinc Borate
Materials Quicklime
Materials Seriphyl
Materials Precipitated Lime
Materials Vanadinite
Materials Bismuth Subnitrate
Materials Talc B-4-33P
Materials Wollastonite C-901P
Materials Wollastonite S-4
Materials China Stone O-606aP
Materials Calcium Carbonate E-5-1P
Materials Arsenic Oxide
Materials Calcium Borate
Materials Lead Monosilicate Frit
A standard frit of 1 molar part of PbO and 1 of SiO2. It melts lower than a lead bisilicate.
Materials Sodium Carbonate Heptahydrate
Materials Bone Ash Calcined
Materials Cherry Ash
A type of wood ash used as an ingredient in pottery glazes.
Materials Coal Ash
Materials Hardwood Ash
A type of wood ash used as an ingredient in pottery glazes.
Materials Kiln Bat Wash W5
Materials Rice Husk Ash
A type of plant ash used as an ingredient in pottery glazes.
Materials Synthetic Ash
Materials Unimin Potash Feldspar 300#
Materials Spluga Talc
Materials Amtalc-C98

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