Specialty Mix P'clays for Ultra Large Projects
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Specialty Mix P’Clays “Rosetta Stone” Texture after fi re: Smooth, white, the higher you Earthenware Paper Clay for Sculpture fi re it, the more dense and hard it gets until after for Ultra Large Projects Cone 04 to 4 normal (maximum cone 6) cone 4. Two (2) medium buckets (use same Low fi re texture- Cone 03 to 04:Too hard to If you are not sure where to start, size buckets to measure this) prepared carve on by hand, but power tool is OK. Can treat adapt my personal recipes for life scale “earthenware” base (rated cone 04-05). It can surface with any and all commercial glazes, opaque freestanding and wall works given here. be simply buckets of prepared casting slip. or transparent underglazes, overglazes, etc, and refi re Test fi re, I cannot be responsible for non- One (1) medium bucket-same size of wet if desired. Normal slips, engobes, stains OK. At this temperature, the result is a soft normal earthenware. standard materials, events and results strained bulk of pulp- plus or minus handfuls and inches. Dispersed paper from 8-12 Vessel will seep water without a fi nish gloss glaze or clearly beyond my control. I recycle my rolls of “bargain” toilet tissue is equivalent other seal. paper, but I have indicated volumes of to maybe 8 bulkier rolls of deluxe brands, Mid Range (Cone 4 to 6): Hard as a rock. pulp by standard toilet roll to help the but donʼt try to make this pulp in this same Resembles white stoneware. Resists water but may student with a starting point. bucket. Use giant barrels, not for beginners to not be 100% watertight. OK outdoors frost and thaw try. Master chapters 5 and 6 to avoid lumps too, glazed and not glazed. and clumps! Substitutions/Adaptation: What it’s like to work with: Raku: Good anytime- bisque to 04 or more, fi rst.rst. The above was my “high-fi re low-fi re” high pulp, all When I know my kiln, the fuel, the tools, the tongs, purpose, any kiln, any time, sculpture recipe for many how the shapes heat up, and where best to place them, years. (Nowadays, Iʼve gone back with “porcelain bone dry single fi re works. pearl” because I have access to high fi re kilns again.) China Paint, Gold, Silver and Metallic Lustre, Texture before fi re:Smooth, putty like. Takes Decal Fires: most want a cone 032. Best to apply on underglaze, slip, engobe, stains, etc. Find those top of already fi red gloss glazes in multiple fi res. explained in my second book Paper Clay. Base Clay Options: if you substitute a iron Texture bone dry: Absorbs water when dipped. bearing red terra cotta blended clay as base for the Takes underglaze, slip, engobe, stains, glaze, etc. earthenware base, it fi res red to brown. Stick to the Thin walls soften a bit when soaked a while. Slakes recommended lower temperatures cone 05-02. Heavy down overnight or sooner. red iron is a melting as well as coloring agent. Test Sinter Fired: Carves offoff in fi nene powderpowder.. fi rst if you fi re red PʼClay beyond cone 1. 112 Rosette Gault “Porcelain Pearl” High Fire (cone 8 to 10): Hard as a rock. If thin: Texture before fi re: Chunky peanut butter-verybutter-very Paper Clay for Sculpture Cone 8 plus walls go cone 8 and play it safe. Serious heavy duty short when moist. Takes underglaze, slip, engobe, Two (2) medium buckets of prepared power tools needed to alter surface. stains, glaze, etc. per those explained in my second “porcelain” (cone 10) high fi re casting slip. Substitutions/Adaptation: book Paper Clay. 1 medium bucket of pulp, plus or minus Base Clay Options: If you substitute stoneware Texture bone dry: Absorbs water when dipped or handfuls. (Disperse paper from 8-12 rolls of throwing clay as base for the porcelain- PʼClay fi res sprayed. Softens, then slakes when soaked over time. “bargain” toilet tissue equivalent to, maybe, tan to brown. Reduction or oxidation atmospheres. Takes underglaze, slip, engobe, stains, glaze, etc. 8 bulkier rolls of a “deluxe” brand.) Raku: Good anytime. Bisque to cone 03 or more fi rst.rst. Texture after fi re: Surface has openings like a What it’s like to work with: When I know my kiln, the fuel, the tools, the tongs, coarse utility sponge, irregular granulated pocks, light Thin areas go translucent at cone 8. Dare to fi re to how the shapes heat up, and just wherebest to place weight, strong, if fi red just to the right melt. cone 10 only if walls are thick, and other factors them, bone dry single fi re is realistic. Sinter fi re: Carves like frozen chunky peanut butter.butter. mentioned, indicate structure is stable and built well. China Paint, Gold, Silver and Metallic Lustre, Biscuit fi re: : At cone 08 may be soft, handle with For mixing batches in the studio, to avoid or Decal Fires: Most fi rere toto conecone 032.032. BestBest toto applyapply onon extreme care. Carves more like a dry kitchen sponge. minimize airborne dust clouds, start off with buckets top of already fi red gloss glazes. At cone 03 OK to carve but not as nice as sinter. of prepared liquid casting or pouring slip rather than Takes underglaze, slip, engobe, stains, glaze, etc. large bags of dry blend powdered clay. High Fire (cone 8 to 10): Hard as a rock. Serious Texture before fi re: Smooth, putty like. Takes “Ruff-Rock-Gruff-Rock” power tools needed. Gloss glaze and clay resist underglaze, slip, engobe, stains, etc. per those Porcelain Ultra Short Sculpture moisture. explained in my second book Paper Clay. Cone 8-10 High Fired Texture Body Substitutions/Adaptation: Texture bone dry: Absorbs water when dipped. Two (2) medium buckets (5 gal./10 liter) Base Clay Options: If you substitute stoneware Thin walls soften a bit when soaked a while. Slakes prepared “porcelain” (cone 10) high fi re throwing clay as base for the porcelain- fi res tan to down overnight or sooner. Takes underglaze, slip, casting slip brown. engobe, stains, glaze, etc. 1/2 medium bucket of pulp, plus or minus Raku: Good anytime, Bisque to cone 03 or more Texture after fi re: Super smooth. handfuls. (Disperse paper from 8-12 rolls of fi rst. When I know my kiln, the fuel, the tools, the Sinter fi re: Carves like soft soapstone, dense, but “bargain” toilet tissue equivalent to, maybe, tongs, how the shapes heat up, and where best to still easy to handle. 8 bulkier rolls of a “deluxe” brand.) place them, a bone dry single fi re is fi ne. Biscuit fi re: At cone 08 may be quite soft, handle 1/2 medium bucket granular perlite, plus or China Paint, Gold, Silver and Metallic Lustre, with extreme care. Carves more like a dry cosmetic minus handfuls or scoops to taste. Decal Fires: Most fi re to cone 032. Best to apply on grade sponge. At higher bisque cone 03 OK to carve. What it’s like to work with: top of already fi red gloss glazes. Does not slake down in water. This is a variation on Porcelain Pearl with perlite. PaperClay forfor CeramicCeramic SculptorsSculptors 113.