Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
Sulfur is not an ingredient in the formulation. It may be present in trace elements that can be measured in parts per million. However, the amount is so small that it does not affect the mold making process. These trace elements of sulfur may be found in the various raw materials used in making non-hardening modeling clay.
