Conductive silicone rubber is based on silicone rubber, conductive fillers, cross-linking agents, etc., compounded and vulcanized. The commonly used rubber compound is methyl vinyl silicone rubber, and the commonly used conductive fillers are acetylene carbon black, carbon fiber, super conductive carbon black, graphite, copper powder, silver powder, aluminum powder and zinc powder.

It is used in military and commercial applications, and its main functions are sealing and electromagnetic shielding. The product can be molded or extruded, and is available in sheet or other die-cut shapes. Shielding performance up to 120 dB (10 GHz). Conductive silica gel has good electromagnetic sealing and water vapor sealing ability, and can provide good conductivity under a certain pressure (suppression frequency reaches 40GHz).

Compared with general conductive rubber, conductive silicone rubber has the advantages of small volume resistivity, low hardness, high and low temperature resistance (-70 to 200 ° C), aging resistance, good processing and manufacturing performance, and is particularly suitable for manufacturing good conductive properties and shapes Complex, fine-structured conductive silicone rubber products.

Features

In addition to ordinary silicon rubber’s resistance to high and low temperature, aging resistance, easy forming and processing, etc., it has good electrical and thermal stability.

Application

Because conductive silicone rubber has the advantages of small size, stable and reliable contact, good shock resistance, and easy exchange, it is used to connect printed circuits, radio integrated circuits, displays, etc. The volume reduces cost and improves reliability.

For example, it can be used for connection between conductive keys, conductive silicone rubber rollers, printed circuits and integrated circuits, and displays.