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What are the characteristics and performance of silicone O-rings?

Time:2024-08-06 Views:78
Silicone O-ring is a type of sealing ring commonly seen in industrial operations, which has good electrical insulation properties. It can withstand both high and low temperatures, and has good sealing and dielectric properties. Therefore, silicone rubber O-ring is often used to make various seals, high-voltage wires and cables, rubber hoses for high and low temperature silicone rubber products, etc. At the same time, because silicone rubber O-ring has the non-toxic, colorless and odorless characteristics of silicone rubber products, it can also be used in the food and medical industries. Below, we will introduce the characteristics and performance of silicone O-rings in detail.

Characteristics and performance of silicone O-ring:

1. Simple structure, beautiful and elegant sealing performance, simple cross-section structure of O-ring, self sealing, reliable sealing performance.
2. The O-ring rubber seal and installation structure components have been simplified and standardized, so replacement is very simple, just inches.
3. Suitable for sealing oil, water, air, gas, and various chemical media through appropriate selection of rubber materials and formulation design.

Silicone O-rings have excellent heat resistance, cold resistance, ozone resistance, and atmospheric aging resistance. But its tensile strength is inferior to that of ordinary rubber and it does not have oil resistance. A synthetic rubber made by copolymerization of butadiene and acrylonitrile. It is a synthetic rubber with good oil resistance and aging resistance. There are five types of acrylonitrile content (%) in nitrile rubber, including 42-46, 36-41, 31-35, 25-30, 18-24, etc. The higher the content of acrylonitrile, the better the oil resistance, but the corresponding decrease in cold resistance. It can be used for a long time in air at 120 degrees Celsius or in oil at 150 degrees Celsius. In addition, it also has good water resistance, airtightness, and excellent bonding performance.