Silicone rubber is originally an excellent insulation material, but with the development of society, people not only require materials to have their inherent properties, but also hope to retain this characteristic while adding other properties that meet the requirements. This has led to the emergence of conductive silicone rubber, which is a very active branch of conductive polymer materials. Conductive silicone rubber not only retains the characteristics of its rubber matrix material such as strong plasticity, easy processing, and high resilience, but also obtains different conductive properties through the different types and amounts of conductive fillers added, allowing it to be used in aerospace, electronic computers, and other fields Electronic shielding and many other fields have been applied.

Classification of conductive silicone rubber
Conductive silicone rubber can be roughly divided into three categories according to its different vulcanization methods: hot vulcanized silicone rubber, room temperature vulcanized silicone rubber, and liquid silicone rubber.

Conductive silicone rubber can be divided into four categories according to its different conductive properties: semiconductor conductive silicone rubber, anti-static conductive silicone rubber, conductive conductive silicone rubber, and high conductive silicone rubber.

Preparation of conductive silicone rubber
The preparation of conductive silicone rubber includes mechanical mixing method, solution mixing method, or melt blending method. The rubber matrix and conductive filler are fully mixed together to evenly fill the conductive filler in the rubber matrix, forming a stable conductive network and forming a current. It is necessary to ensure that conductive silicone rubber has both the elastic characteristics of rubber and conductivity.

The main components of conductive silicone rubber are rubber matrix, conductive fillers, vulcanizing agents, and other materials. As a key material determining the excellent or good conductivity of conductive silicone rubber, the selection of conductive fillers is particularly crucial. Conductive fillers mainly include carbon and metal systems. Carbon based conductive fillers are currently the most widely used type of conductive fillers, with a variety of types, mainly including carbon fibers, carbon black, graphite, graphene, and carbon nanotubes. Carbon based conductive fillers have good conductivity, large surface area, and light texture, and the conductive silicone rubber produced has a certain reinforcement effect. It occupies an important position in conductive silicone rubber. Metal based conductive fillers are relatively simple and are made of materials such as metal powders, metal oxides, and metal fibers. The commonly used metal fillers are mostly silver, copper, aluminum, etc. The color of metal based conductive fillers is much richer than that of all black carbon based conductive fillers.

Application of conductive silicone rubber
There are many applications of conductive silicone rubber, including:
Conductive silicone rubber sealing ring, conductive silicone rubber O-ring, conductive silicone rubber rectangular ring, conductive silicone rubber sealing element, conductive silicone rubber U-ring, conductive silicone rubber V-ring, conductive silicone rubber Y-ring, etc
With the vigorous development of electronic technology, the application of conductive silicone rubber has also rapidly increased. Many new application areas have emerged:
Electromagnetic shielding conductive silicone rubber: Electromagnetic shielding conductive silicone rubber is mainly used in electronic technology products such as computers, televisions, communication equipment, etc;
The most common application of pressure-sensitive conductive silicone rubber is various switch components, etc;
Isotropic conductive silicone rubber is more suitable for use in computer keyboards and automation equipment;