What factors affect the durability of prosthetic silicone?

What factors affect the durability of prosthetic silicone?
The factors that affect the durability of prosthetic silicone are relatively complex, mainly including the following aspects:
Material characteristics:
Quality of silicone: High-purity, high-quality silicone is more stable in molecular structure, has fewer impurities, can effectively resist the erosion of external factors, and thus has better durability. On the contrary, low-quality silicone may contain more impurities or unstable molecular structure, and is prone to aging, damage and other problems during use.
Hardness and elasticity: Silicone with moderate hardness and good elasticity can maintain a good shape and performance when subjected to external forces. If the hardness is too high, silicone will lack the necessary flexibility and easily break when subjected to force; if the hardness is too low, it may cause silicone to deform too much during long-term use, affecting the adaptability and function of the prosthesis.
Anti-aging performance: The anti-aging ability of silicone is directly related to its durability. Some silicones are designed and manufactured with special anti-aging agents or special formulas, which can delay the aging process caused by ultraviolet rays, temperature changes, oxidation and other factors, thereby extending the service life.
Environmental factors for use:
Temperature and humidity: Extreme temperature conditions, whether high or low, can have adverse effects on prosthetic silicone. High temperatures may accelerate the aging and deformation of silicone, making it soft and sticky; low temperatures may reduce the elasticity and flexibility of silicone, making it brittle and easy to crack. High humidity environments may also cause silicone to absorb water and swell, affecting its performance and durability.
Contact with chemicals: If prosthetic silicone is frequently exposed to chemicals such as detergents, solvents, acids and alkalis, chemical reactions may occur, resulting in damage to the structure and performance of the silicone. For example, some detergents may corrode the surface of silicone, causing it to lose its gloss and elasticity.
Ultraviolet radiation: When exposed to sunlight for a long time, ultraviolet rays can cause silicone to photo-age, causing it to darken, harden, become brittle, and reduce its durability. Therefore, for users who often engage in outdoor activities, prosthetic silicone is more susceptible to damage from ultraviolet rays.
Use and maintenance methods:
Frequency and intensity of daily use: The more frequently and more intensively you use the prosthesis, the greater the wear and pressure on the silicone, which will naturally accelerate its damage. For example, users who engage in heavy physical labor or high-intensity exercise will wear out their prosthetic silicone faster than the average person.
Cleaning and maintenance methods: Proper cleaning and maintenance are essential to extend the service life of prosthetic silicone. Use mild detergents and soft cloths for cleaning, and avoid using rough tools or irritating detergents. At the same time, regular maintenance of the silicone, such as applying a special protective agent, can maintain its good performance and appearance.
Storage method: When the prosthesis is not in use, the storage method will also affect the durability of the silicone. The prosthesis should be stored in a dry, cool, and ventilated place, avoiding direct sunlight and squeezing. Improper storage, such as folding or pressure for a long time, may cause the silicone to deform or damage.
Manufacturing process and design factors:
Production process level: Fine and high-quality production processes can ensure that the molecular structure of the silicone is uniform, and there are no defects such as bubbles and impurities inside. Advanced manufacturing processes can also better combine silicone with other parts of the prosthesis, improving overall stability and durability.
Design rationality: Whether the design of the prosthesis conforms to the principles of ergonomics and whether it can evenly disperse pressure also has a great impact on the durability of the silicone. If not designed properly, the silicone may be subjected to excessive pressure in certain areas, causing premature wear or damage.