There are two basic kinds of sculpting clay, Oil Based Clay and Water Based Clay. All of our Oil Based clay is sulfer free.
Check out our Water Based Clay
Oil Based Clay
Oil based clay is clay mixed with some kind of oil or combinations of oil. It will not dry out, but it will oxidize over time and become difficult to work. Sometimes you can manipulate the consistency of the clay by mixing it with petroleum jelly, but this is hard work. Some oil based clays like plastina contain sulfur and can't be used with silicone molding compounds. Plastina can be sealed with a coating of sealer or shellac but any coating of this type will take away some of the character of the clay. We recommend and use an industrial tooling clay which is easy to work and won't react with silicones. Some oil based clays can be melted and poured into a mold. Preheating oil based clay will soften it and make it easy to work.
Oil Based Student Clay
Klean clay has gone the way of the Earth. The old gentleman who made it used up the last of his chemicals and retired. He did, however, sell his formulas and equipment to a competitor, who has taken up the cause. The replacement clay is as follows:
This is a sulfur free clay, perfect for direct contact with tin cure silicone mold making compound. It comes in two colors, cream or brown. It comes in two hardness's, Firm or regular in these configurations. Each pound of clay is wrapped.
now available in 1 lb. bars.
Sulfur free. Can be melted to a liquid and poured into a mold including alginate. Unless you specify otherwise, a neutral color such as flesh, tan, grey or the like will be shipped. Very soft. [Color Code]
Modeling clay can be melted and poured into an alginate mold.
Modeling Clay 4.5 lb.
4.5 lb., 2kg brick.
Modeling Clay 1 lb.
1 lb., 454g bar.