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Paper clay is handmade or commercially available clay to which a small percentage of processed cellulose fiber is added. The fiber increases the tensile strength of the dry clay and enables dry-to-dry and wet-to-dry joins. Commercial paper clays air-dry to a firm, lightweight sculpture, with minimal shrinking during the drying process. [4]
In general, cool dry air is introduced at one end of the kiln while warm moist air is expelled at the other. Hardwood conventional kilns also require the introduction of humidity via either steam spray or cold water misting systems to keep the relative humidity inside the kiln from dropping too low during the drying cycle.
Choqa Zanbil, a 13th-century BCE ziggurat in Iran, is similarly constructed from clay bricks combined with burnt bricks. [1] Mudbrick or mud-brick, also known as unfired brick, is an air-dried brick, made of a mixture of mud (containing loam, clay, sand and water) mixed with a binding material such as rice husks or straw. Mudbricks are known ...
From here, the processed clay can either be extruded into a continuous strip and cut with wires, or be put into moulds or presses (also referred to as forming) to form the clay into its final shape. After the forming or cutting, the bricks must be dried - in the open air, in drying sheds, or in special drying kilns.
It is an air-dry modeling clay, [1] which is commonly made in the kitchen by combining one part corn starch with two parts table salt and heated and stirred till it stiffens to a dough-like consistency. [2] It is then placed on wax paper to cool before kneading. [3]
The more fiber in the paper clay, the more rapid the drying with less warping and cracking, and the quicker dry-to-dry joins can be made. Nonconventional clay techniques are now possible after adding processed cellulose fiber to any clay: First, joining dry-to-dry paper clay and dry-to-soft paper clay are the most radical new techniques.
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1747 Olentangy River Rd, Columbus, OH · Directions · (614) 299-9425