Ceramic Stains For Slip

The clay wilson uses is half half from laguna formulated for firing at cone 5 though she fires it to cone 6.

Ceramic stains for slip. Using stains first the short version. I am looking for some guidelines on coloring slip with mason stains. Ceramic stain ceramic stains are manufactured powders. G2853b cone 04 clear ravenscrag school glaze a ravenscrag slip base made by simply mixing it 50 50 with a frit.

Some glazes have zinc and other will say zinc free. Here at the ceramic shop we pride ourselves on keeping an up to date inventory of cerdec degussa mason and spectrum stains. Even if you are working with fritted stains you should make sure you use a respirator with dry materials and control all dust created. A stain is a mix of metal and ceramic oxide that has been ground into a powder.

We also have dry mix casting slips available in 50 lb. Look at the numbers below each color on the mason stain page. So far my colors are working out pretty well using a 90 10 percent clay stain. The percentages of stains varies according to the intensity of color she is trying to achieve.

So match the stain to the glaze you are. The numbers 5 6 7 or 8 tell whether the stain likes zinc or not. Stains come in dry powdered forms and can be added to glaze slip and wash recipes to get bright vivid colors. Slip stains these finely ground concentrated inorganic colorants may be added to your slip to produce a variety of colors intense or muted depending on percentage added.

Mno2 manganese dioxide. To prepare the clay slip wilson takes 100 grams of small pieces of bone dry clay and adds 10 50 grams of a ceramic stain. A body slip can also be used as an addition to these stains to impart green strength fired strength and binding to the body. Liquid casting slips are available in low fire midrange stoneware high fire stoneware and porcelain.

Stains and oxides can be very toxic so you must make sure not to have food or consumable liquids when you are working with them. Cerdec degussa stains mason stains. Bags that require mixing with water and a deflocculant such as soda ash sodium silicate darvan 7 or darvan 811. Ceramic stains can also be brushed over an unfired glaze to impart a softness of colour decoration to your ware.

The more stain you add the darker the color will be. They will mix well to produce smooth clean color on the surface of most clays. They are used as an alternative to employing metal oxide powders and have many advantages. Unlike working with paints the raw glaze you put on your prize pot or sculpture often looks completely different from the fired result.

Casting slips are pre made ready to use for pouring and making casts in plaster molds. Ceramic pigments often referred to as ceramic stains have vastly opened up the color possibilities for potters.