1. We can classify rubber parts according to their appearance. Rubber can be divided into four categories: emulsion rubber (referred to as latex), solid rubber (also known as dry rubber), liquid rubber and powder rubber.
2. According to the source of raw materials, rubber can be divided into two categories: natural rubber and synthetic rubber. Among them, the proportion of natural rubber consumption accounts for 1/3, and the proportion of synthetic rubber consumption accounts for 2/3.
3. According to the properties and uses of different rubbers, in addition to natural rubber, synthetic rubber can also be divided into general-purpose synthetic rubber, special-purpose synthetic rubber, semi-general-purpose synthetic rubber and special synthetic rubber.
4. Generally, according to the physical state of rubber, rubber can be divided into hard rubber and soft rubber, raw rubber and mixed rubber.
5. According to the type of rubber and the form of cross-linking, in industrial use, rubber can be classified as follows.
