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Mixed silicone rubber is a synthetic rubber with excellent comprehensive performance. It can be widely used in aviation, cable, electronics, electrical appliances, chemicals, instruments, cement, automobiles, construction, food processing, medical devices and other industries, and is used for deep processing of mechanical molding and extrusion.
This process requires relatively high quality and is a combination of liquid silicone and plastic. Its products are characterized by good thermal stability, cold resistance, excellent electrical insulation properties, and no toxic substances are produced during combustion.
Silicone rubber is kneaded and kneaded with white carbon black, silicone oil, etc. to make a kneaded rubber and then calendered to produce a sheet. The film produced by calendering has obvious differences in the longitudinal and transverse physical and mechanical properties, which is the calendering effect. Specifically, the longitudinal tensile strength of the film is greater than the transverse direction, the horizontal elongation of the film is greater than the longitudinal direction, and the longitudinal shrinkage of the film is greater than the transverse direction.
The calendering effect is the result of the direction of macromolecules and needle-shaped and sheet-shaped compounding agents in the calendering process in the calendering direction. The magnitude of the calendering effect is related to the composition of the rubber, the calendering temperature, speed, speed ratio, etc. Used for larger products, such as silicone sheets and silicone boards.
Characteristics of Mixed Silicone Rubber
It has excellent thermal stability, high and low temperature resistance, can work for a long time at -60℃~+250℃, resist ozone, weather resistance, and good electrical properties, resist corona, arc, and electric sparks, has extremely strong chemical stability, resistance to climate aging, radiation resistance, and has physiological inertia and good breathability.
