1, excellent high and low temperature resistance, working temperature range-100 to 350 degrees. Excellent ozone aging resistance, oxygen aging resistance, light aging resistance and weather aging resistance. The performance of silicone tube rollers remains unchanged when they are placed outdoors for several years, so it is also one of its conveniences to use silicone tube rollers in many industries.
2. Excellent electrical insulation performance. When affected by humidity, frequency change or temperature rise, the electrical insulation performance of silicone roller changes little. The silicon dioxide produced after combustion is still an insulator, so in some environments that need insulation, the use frequency of silicon rollers is also very high. In addition, there are few carbon atoms in the molecular structure of silica gel roller, and carbon black is not used as filler, so it is not suitable for burning during arc discharge, so it is very reliable to use in high pressure occasions. Its corona resistance and arc resistance are excellent, and its corona resistance life is 1000 times that of PVC, and its arc resistance life is 20 times that of fluororubber.
3. Silica gel roller has special surface properties and physiological inertia, and its surface energy is lower than that of most organic materials. Therefore, it has low hygroscopicity. Soaked in water for a long time, its water absorption rate is only 65,438+0%, its physical and mechanical properties are reduced, and its mildew resistance is good. Therefore, silica gel is also used in underwater operation or wet environment. In addition, the silicone rubber roller does not stick to many materials and can play an isolation role. 4. Silicone rubber is odorless and non-toxic, which has no adverse effects on human body, slight body reaction and excellent physiological inertia and aging.
5. High air permeability. Compared with other polymer materials, silicone roller has excellent air permeability, and its air permeability at room temperature is 30-40 times that of natural rubber. In addition, the silica gel roller has gas selectivity and different permeability.