What Material Is SC Seal Made Of?

Number of hits：4322023-10-31 11:21:41　

　　SC seals also known as shaft seals, are a critical component in many mechanical systems, providing a barrier that prevents the leakage of lubricants and the ingress of contaminants. But what material is an SC seal made of?

　　The SC seal profile is composed of a single metal cage with a rubber coating and a primary sealing lip with an integrated spring. This combination of materials provides the seal with its essential characteristics, including durability, flexibility, and resistance to various environmental conditions.

　　The metal cage of the SC seal is typically made from steel. This provides the seal with structural integrity and resistance to high pressures and temperatures. The rubber coating, on the other hand, enhances the seal’s sealing ability at the housing and is kind to softer materials.

　　The primary sealing lip of the SC seal is integrated with a spring. This spring is usually made from standard carbon steel. The spring ensures that the sealing lip maintains constant contact with the shaft, thereby enhancing the seal’s effectiveness.

　　The rubber used in SC seals can be made from various materials, including ACM (Acrylic Rubber), EPDM (Ethylene Propylene Diene Monomer Rubber), FKM (Fluoroelastomer Rubber), HNBR (Hydrogenated Nitrile Butadiene Rubber), and NBR (Nitrile Butadiene Rubber). These materials offer different properties, making them suitable for different applications. For instance, NBR is known for its excellent resistance to oil, while EPDM is highly resistant to weathering.

　　It’s important to note that the choice of material for an SC seal depends on several factors, including the operating conditions and the specific requirements of the application. For example, if the seal is to be used in an environment with high temperatures, a material like FKM, which has excellent heat resistance, would be a suitable choice.

　　SC seals are made from a combination of metal and rubber materials, each contributing to the seal’s overall performance and longevity. By understanding what material an SC seal is made of, one can make informed decisions when selecting seals for specific applications.