ceramic ironing board cover_ironing board cover fabric heat resistant

When they are subjected to hot & pressured oil, or hot & pressured gas, they will compress. These seals reduce in size and become more compact. Afterward, they store the mechanical energy generated by the heat and pressure, which is why they can maintain a leak-proof mating surface.

Like any element of the engine, oil seals are subject to wear. Over time they can lead to possible leaks of lubricating liquid.