Porcelain Slip Base To Add COLOR:
Description: This Porcelain Mixture is compatible with Coleman Porcelain. It can be used as a dry materials to add to Coleman Porcelain when reclaiming. For Bmix and some stonewares: we recommend using the Magic Slip for Bmix also sold on our website under Magic Slips on the first page.
Note: For a dependable porcelain base, we recommend this porcelain. Arriving in a 10 lb quantity of dry porcelain it gives you the flexibility of adding color stains, oxides, and (or) 3% HPM-Bentonite to make it into a good porcelain throwing body.
Color Additive Suggestions: (Wear An Osha Rated Mask for Fine Particles). Weigh out a quantity of thjis dry porcelain material on a gram scale. (example: 1000 grams) and add 10% of color stain like orange, red, yellow, etc. Change your amount to less % for more subtle color. We recommend the Inclusion Stains sold at US Pigments. They have lot's of color that stay vibrant up to cone 10. Oxides and carbonates will be less %. For instance, cobalt, or chrome might only need to be added at 0.5% to achieve a nice blue color, or green color slip. Run tests and create your own color palette specifically for your work in clay.
Mixing Directions for Slips: Once the colorant has been added to your dry porcelain slip, gently dry mix by hand to disperse the colorant throughout the slip. Then, add water a bit at a time while continuing to mix until the materials are at a mud-like consistency. We use an emersion blender, or a paint mixing blade on a drill, to mix our slips and glazes. Once the material is at a bit of a thinner mud consistency, screen through a 60 mesh bowl screen (New Mexico Clay Supply Co. sells them) into a clean bucket. Mix to your desired consistency.
Slip Application: Keep it a bit thinner- at 50 to 55 on a hydrometer. Then, you can either apply it onto your thrown work just after throwing it and ribbing the surface. Or, you can apply it when it's leather hard (by dipping or spraying it on). Or, spray it onto bone dry work. Follow with bisquing your work as usual. We recommend bisque firing to cone 010 (1660 F)