Liquid Ceramic Casting

Slip casting is the process of filling the molds with slip which is the liquid clay allowing it to solidify and after a while forming a layer called the cast inside of the mold s walls.

Liquid ceramic casting. We also carry a full selection of slip additives those crucial chemical mix ins that make the slip work. We also have dry mix casting slips available in 50 lb. Bags that require mixing with water and a deflocculant such as soda ash sodium silicate darvan 7 or darvan 811. Slip casting is liquified clay poured into a plaster mold the ratios are roughly 75 percent clay body to 25 percent water.

This happens because the mold absorbs the water from the slip through its pores collecting the ceramic particles against the mold. There are many forming techniques to make ceramics but one example is slipcasting this is where slip or liquid clay is poured into a plaster mould. Liquid casting slips are available in low fire midrange stoneware high fire stoneware and porcelain. The water in the slip is drawn out into the walls of the plaster mould leaving an inside layer of solid clay which hardens quickly.

The process usually takes at least 24 hours per piece. Georgies offers a full line of liquid slip clays to suit the needs of dollmakers hobby casters and production studios. You ll find those on this page too plus a one page guide on how to mix and use casting slip in molds. The unique consistence allowes me to keep the same modeling ability.

Earthenware pre mixed liquid slip if you are a storefront ceramic shop please e mail us with quantity of boxes your store name address and tax id for confidential storefront prices. Slipcasting or slip casting is a ceramic forming technique for pottery and other ceramics especially for shapes not easily made on a wheel in slipcasting a liquid clay body slip usually mixed in a blunger is poured into plaster moulds and allowed to form a layer the cast on the inside walls of the mould. Slip is just a liquid mixture of clay or a liquefied suspension of clay particles in the water and is generally a little thinner than a slurry. Casting slips are pre made ready to use for pouring and making casts in plaster molds.

Barium carbonate neutralizes 1 sulphates present in the clay or in the water and 2 sulphates leeched from molds used in casting. We can ship pallets of slip anywhere but we strongly suggest you exhaust your local resources as slip freight is very expensive.