Platinum-cure silicone is a widely used material for mold making. It offers several advantages over tin-cure silicone, such as low shrinkage, low viscosity (resulting in fewer bubbles), odorlessness, and safe skin contact, making it the preferred choice for many users. Nonetheless, platinum-cure silicone has a significant drawback - it cannot cure upon contact with substances like acids or bases. If you have carefully followed all the operating instructions and the liquid silicone in a specific area fails to cure, inhibition may be the underlying cause, which is also referred to as silicone poisoning.