Frequently Asked Questions

Q - How much does clay weigh?

A- Although different clays have different densities, a good estimate is 90 pounds per cubic foot. For more information, you can visit our chart here.

Q - Can I mix different clays together?

A - Concerns with mixing are color, reactions to rubber, hard/soft areas and cohesion. Proceed with caution.

Q - How do I smooth the surface?

A - Try water, WD-40, Goof-Off, turpentine, lighter fluid, Skin-So-Soft and multipurpose citrus-based solvents.

Q - Why is sulphur used in some of the clays?

A - Sulphur is an inexpensive, non-toxic filler that enhances the surface texture of the clay.

Q - Why is sulphur removed from some of your clays?

A - Sulphur free formulas are generally easier to make silicone or urethane rubber molds from.