1. Rubber seals can be divided into natural rubber and synthetic rubber according to the source and method of raw materials. The consumption of natural rubber accounts for 1 / 3 and that of synthetic rubber accounts for 2 / 3.
2. According to the appearance of rubber: rubber can be divided into four categories: solid rubber (also known as dry rubber), emulsion rubber (latex for short), liquid rubber and powder rubber.
3. According to the performance and application of rubber: in addition to natural rubber, the synthetic rubber of electric ball valve can be divided into general synthetic rubber, semi general synthetic rubber, special synthetic rubber and special synthetic rubber.
4. According to the physical form of rubber: rubber can be divided into hard rubber and soft rubber, raw rubber and mixed rubber.
According to the types and crosslinking forms of rubber seals, in industrial use, rubber can be classified as follows: one is divided into ordinary rubber, heat-resistant rubber, oil-resistant rubber, weather aging resistant rubber, special chemical medium resistant rubber, etc.
Post time: Nov-18-2021