Is silicone or rubber better for seals?

Number of hits：4672023-07-01 15:26:43　

　　Silicone and rubber are both elastomers and polymers, and they are commonly used as seal materials. However, there are some key differences between the two materials that can affect their performance as seals.

　　Rubber is a natural material that is grown from plants, while silicone is a synthetic substance made from polymers. Rubber is used in a wide range of products, including soft rubber for everyday items such as balloons, elastic bands, gloves, erasers, and condoms, as well as hard rubber for car tires, combs, and electrical insulation.

　　Silicone is a synthetic formula with a massive range of applications. It is known for its resistance to extreme temperatures, water, and electricity. Silicone can operate smoothly from -100°C (-150° F) to +250° C (+480° F), making it suitable for use in aerospace engines or ventilation. Silicone is also used in the medical industry due to its safety and non-toxicity.

　　When deciding between silicone and rubber for seals, it is important to consider the specific requirements of the application. Factors such as temperature range, chemical resistance, and exposure to sunlight or other environmental conditions can affect the performance of the seal material.

　　Both silicone and rubber have their advantages as seal materials. The best choice will depend on the specific requirements of the application. It is important to carefully evaluate all of the available options and choose the material that will provide the best performance and durability.