4" Red Silicone Ring The 4" Red Silicone Ring is designed for vacuum and centrifugal casting, delivering a reliable seal for the perforated casting chamber and flask ring. This silicone gasket acts as a sealing layer between the hot flask, ensuring efficient heat transfer and minimizing leaks during high-temperature cycles. Engineered for durability, it withstands repeated heating and cooling without losing elasticity, helping maintain precise casting tolerances. Material: high-grade silicone rubber for heat resistance Diameter: 4 inches, compatible with standard flask rings Applications: ideal for vacuum casting and centrifugal casting Sealing performance: forms a tight seal between hot flask and perforated chamber Durability: withstands multiple temperature cycles with minimal compression Enhance your casting integrity with this essential gasket item as the sealing layer between components, reducing downtime and improving repeatable results. The 4" Red Silicone Ring is your trusted choice for reliable performance in demanding environments. Order now to secure a reliable seal for your next casting run.