Phenyl vinyl silicone rubber (often referred to as phenyl silicone rubber or methyl phenyl vinyl silicone rubber) has excellent chemical resistance at low temperatures, which is mainly due to its unique molecular structure and chemical properties. The following is a detailed analysis of its chemical resistance:

1. Basic characteristics of phenyl vinyl silicone
Phenyl vinyl silicone is a product obtained by introducing methyl phenyl siloxane segments or diphenyl siloxane segments into the molecular chain of silicone rubber. This structural change not only improves the low-temperature performance of silicone rubber, but also has a positive effect on its chemical resistance.

2. Chemical resistance
Oil resistance:
Phenyl vinyl silicone has excellent chemical resistance to a variety of oils, including petroleum-based lubricants, hydraulic oils, etc. This is mainly attributed to the phenyl and vinyl side chains in its molecular chain, which can effectively resist the erosion of oils.
Specifically, phenyl vinyl silicone is not prone to swelling, softening or failure when in contact with oil for a long time, thus ensuring its stability and reliability in the oil environment.
Solvent resistance:
The material also shows good resistance to a variety of organic solvents, such as aliphatic hydrocarbons, aromatic hydrocarbons, etc. This solvent resistance makes phenyl vinyl silicone have a wide range of application prospects in industrial environments involving solvents.
Acid and alkali resistance:
Although phenyl vinyl silicone is relatively weak in resistance to strong acids and alkalis, its chemical resistance is still excellent in general acid and alkali environments. This means that the material can maintain stability and reliability in most industrial and chemical processes.

3. Chemical resistance in low temperature environment
In low temperature environment, the chemical resistance of phenyl vinyl silicone does not decrease significantly. On the contrary, due to the stable chemical properties of the phenyl and vinyl side chains in its molecular chain, the material can still maintain good chemical resistance at low temperatures. This characteristic makes phenyl vinyl silicone still have a wide range of application value in extreme low temperature environments, such as polar exploration, deep space exploration and other fields.

4. Practical application
The excellent chemical resistance of phenyl vinyl silicone makes it widely used in many fields such as construction, electronic appliances, automobiles, industrial deep refrigeration, aerospace, engines, etc. For example, in the automotive industry, phenyl vinyl silicone can be used to make various vehicle sealing rings, oil seals, diaphragms and other parts; in the aerospace field, it can be used to make fuel oil and lubricating oil resistant seals and contacts.

5. Conclusion
In summary, phenyl vinyl silicone has excellent chemical resistance in low temperature environment and can resist corrosion from a variety of oils, solvents and general acid and alkali environments. This characteristic makes the material still have broad application prospects and important application value in extreme environments.