Circuit Sphere on Instagram: "MAGNASEAL — A Magnetic Sheet That Instantly Seals Leaks Without Tools🔩💧. MAGNASEAL is a flexible magnetic urethane sheet engineered to stop leaks immediately on metal surfaces. It’s designed for emergency situations where fluids need to be contained fast-no bolts, clamps, or curing time required. The sheet uses a powerful magnetic backing combined with a durable, chemically resistant urethane layer. When pressed onto a leaking metal pipe, tank, or container, magne