What are the main properties of silicone rubber?

As a key polymer material, silicone rubber plays a vital role in modern industry with its unique properties and wide range of applications. This article will provide a detailed introduction to the main properties of silicone rubber.

Excellent Heat Resistance
Silicone rubber exhibits excellent heat resistance and maintains stability in high-temperature environments. It can withstand prolonged use at temperatures exceeding 200°C, and even shorter periods at higher temperatures. This makes it an ideal material for high-temperature environments, such as engines and heat pumps.

Excellent Cold Resistance
Compared to ordinary rubber, silicone rubber also performs well at low temperatures. It can maintain its elasticity at temperatures as low as -60°C to -70°C, and its unique formula can withstand even lower temperatures. This cold resistance enables silicone rubber to provide excellent sealing and shock absorption even in cold conditions.

Excellent Weather Resistance
Silicone rubber exhibits excellent weather resistance, offering long-term resistance to corrosion from UV rays, oxygen, and moisture, and resists degradation due to prolonged exposure to outdoor environments. This characteristic has led to its widespread application in engineering, outdoor equipment, and other fields.

Excellent Chemical Resistance
Silicone rubber exhibits excellent corrosion resistance to most compounds and can withstand long-term use in harsh environments such as acid and alkali. This characteristic has made silicone rubber a significant player in chemical and medical applications requiring chemical resistance.

Excellent Insulation and Conductivity
Silicone rubber has high electrical resistance, making it an excellent insulating material. Furthermore, by adding conductive fillers (such as carbon black), silicone rubber can be made more conductive, enabling it to be used in the manufacture of conductive components in electronics.

Excellent Elasticity and Sealing Properties
Silicone rubber exhibits excellent elasticity and can withstand significant deformation without losing its shape. This characteristic has led to its widespread use in sealing and shock absorption applications.

Excellent Biocompatibility
Silicone rubber is non-toxic, odorless, corrosion-resistant, and has excellent compatibility with the human body. Therefore, it is widely used in the medical field to manufacture medical devices and artificial instruments.