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Portland Eugene

     
Serving 3-D & clay artists in the Pacific Northwest and beyond since 1965
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Minerals & Pigments: S

 

 

Georgies offers a wide variety of raw materials for clays, glazes and other uses. If you don't find the materials you need, please contact us. We may be able to get it for you OR suggest suitable replacements. The Occupational Health & Safety Administration devised this color-coded numerical ratings system to quickly and easily summarize the levels of risk through various means of exposure to potentially hazardous chemicals. Material Safety Data Sheets contain more detailed information about any risks posed by chemicals or raw materials, along with handling, cleanup and first aid instructions. Georgies maintains a library of MSDS forms for the materials we sell. To request copies, please contact us by phone, fax or email.

0 - No Hazard
1 - Slight Hazard
2 - Dangerous
3 - Extreme Danger
4 - Deadly

Click this icon for a complete price list on raw materials at Georgies.

 

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CH777
Sand F-65
A very coarse sand used in clay bodies for the silica content. Adds texture and strength.

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CH354
Sand 60-mesh
A very coarse sand used in clay bodies for the silica content. Adds texture and strength. Also used a doll body filler.

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CH773
Sand F-80/85
A coarse silica used in clay bodies for the silica content. Adds texture and strength.

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CH355
Silica #90 (200 mesh)
High melting point. Increases hardness and resistance to wear. In glazes, it decreases thermal expansion, but increases thermal expansion in clays. Raises the melting temperature in glazes. Very fine powder, finer than wheat flour.

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CH405
Silica #53 (325 mesh)
High melting point. Increases hardness and resistance to wear. In glazes, it decreases thermal expansion, but increases thermal expansion in clays. Raises the melting temperature in glazes. Very fine powder, finer than wheat flour.

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CH404
Silica, Amorphous
High melting point. Increases hardness and resistance to wear. In glazes, it decreases thermal expansion, but increases thermal expansion in clays. Raises the melting temperature in glazes. Very fine powder, finer than wheat flour.

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CH356
Silica Carbide FFF
Extra-fine silica, used in small amounts for local reduction in glazes. Encourages glaze effects llike cratering and speckled reds.

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CH357
Soda Ash (Sodium Carbonate)
Acts as a deflocculant in reducing the water of plasticity in slip bodies. Increases workability and strength and reduces shrinkage.

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CH358
Sodium Bicarbonate
Used in cobalt sulfate stains. Also a major constituent of Egyptian Paste.

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CH447
Sodium Hexametaphosphate
AKA Calgon.

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CH359
Sodium Silicate
Sodium silicate is used as a major deflocculant in preparing liquid slip. It can also be used as an adhesive (ie, for securing insulation to the side of a raku kiln). Also known as "Waterglass."

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CH646
Spodumene, Australian
A source of lithia and a flux which helps develop copper-blue tones. Replaces feldspar, reducing vitrification, temperature and shrinkage. Used in clay bodies to reduce thermal expansion.

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CH407
Strontium Carbonate (Fine)
Recommended as a substitute for barium carbonate, but we also recommend testing it first for that use. Pat Horsley finds that 75% of the amount of barium called for is ample. Also often causes color loss. Try blending strontium and barium for a beautiful, unexpected glaze.

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All contents related to Georgies' products copyright 2017. All rights reserved.
Georgies Ceramic & Clay Co. • 756 NE Lombard • Portland OR 97211 • 503.283.1353 • 800.999.CLAY
Georgies of Eugene • 1471 Railroad Blvd #9 • Eugene OR 97402 • 541.338.7654 • 866.234.CLAY
Fax numbers: Portland 503.283.1387 Eugene 541.338.7565
Store Hours: Monday thru Saturday, 9:00a to 5:00p Pacific time • Business office hours 9a-5p, Monday thru Friday

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