To create satisfactory rubber seal products, it must fully understand customers’ usage requirements, select the best cost-effective material, manufacture a suitable mold, and own good machine equipment, strict process control and quality assurance system.

To consider the following items in details:

●The object touched by the seals (Solid, liquid, gas, and etc.);
●Temperature range for normal use;
●Pressure interval;
●In dynamic or static usage;
●Possible chemical reactions in usage;
●Usage lifetime for the product;
●Test and acceptance criteria;

At present, there are more than 20 kinds of rubber elastic bodies in widespread use, and which is the most suitable one? It needs the user, designer, manufacturer and rubber material supplier to communicate and discuss mutually and sufficiently, then it can get the optimal solution.