Hard silicone rubber can take anywhere between one and two to years. The general life of hard silicone rubber is depends on the type of size and the material used to make it. The longer life of hard silicone rubber is much longer to serve life.
Hard silicone rubber needs to be strong silicone, with the best durability and longevity is one of the priority. It can last for many years, depending on the type of rubber in the form of a rubber, and in this case it may be less expensive to maintain.