This high-quality yellow silicone mold rubber from Nicem® offers a medium hardness with excellent spring back, making the rubber ideal for a variety of designs, including undercuts and filigree. Formulated specifically to meet jewelers' needs, helping to create molds from wax or resin models without causing damage to the model, Nicem® silicone mold rubber is made from the highest quality polymers and fillers, delivering premium performance with low shrinking rates. The rubber is durable and long-lasting.