How To Thin Ceramic Slip

Release your finger from the hole and time the flow of slip until you count one second between drops.

How to thin ceramic slip.

In ceramic studios labs and classrooms a good propeller mixer is essential for mixing glaze and body slurries. Slip casting a method of forming ceramics where a deflocculated low water content slurry is poured into absorbent plaster molds forming a layer against mold walls then poured out. Normally the slip will flow through in 100 to 130 seconds. A slow flow time thick slip will set up faster in your molds but render ware that is less dense.

Hollow ceramic items are usually made with the slip casting technique. Now think even thinner porcelain and you have the plates of christina bryer. Once you get the proportion right making ceramic casts becomes easy and fun. A slow flow time thick slip will set up faster in your molds but render ware that is less dense.

10 mins 1 16 inch thick 15 mins 1 8 inch thick 30 mins 3 16 inch thick 40 mins 1 4 inch thick you want to stay in the range of 15 to 20 minutes for a. Learn how to make your own casting slip and pour slip casts at the ceramic shop. Slip casting is liquified clay poured into a plaster mold the ratios are roughly 75 percent clay body to 25 percent water. This is happening because as your slip is building up on the inside of the mold its literally sucking the liquid slip into the mold walls thus resulting in the lowering of the level of slip.

These translucent plates are a slip casting marvel but not nearly as impossible to make as you would think. Standard ceramic slip sold by dogwood ceramic supply. A fast flow time thin slip can lead to a slower setting time and more brittle ware. It helps control the quantity of water and shrinkage.

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. In today s post an excerpt from the april 2013 issue of ceramics monthly christina walks us through the process of making her delicate porcelain slip platters. A fast flow time thin slip can lead to a slower setting time and more brittle ware. Standard ceramic supply s ceramic slip is a superior premixed ready to cast talc based nontoxic low fire white earthenware ceramic casting slip manufactured by standard ceramic supply and stocked and sold by dogwood ceramics for use by schools production studios and ceramic hobbyists.