How to extend the service life of silicone pads and seals?

How to extend the service life of silicone pads and seals?
To extend the service life of silicone pads and seals, you can start from reasonable selection, correct installation, optimization of the use environment and good maintenance. The following are detailed suggestions:
Reasonable selection
Choose suitable silicone products according to the use requirements: Different types of silicone have differences in hardness, elasticity, temperature resistance, chemical resistance, etc. For example, silicone pads and seals used in high temperature environments should choose silicone with good high temperature resistance, such as methyl vinyl silicone rubber, which can work for a long time at 200℃ or even higher; in chemical corrosion environments, silicone materials with strong chemical resistance should be selected. At the same time, according to the specific sealing or buffering requirements, choose silicone products with appropriate hardness. Generally speaking, silicone with moderate hardness can not only ensure good sealing performance, but also have good elasticity and deformation resistance.
Choose reliable quality products: High-quality silicone products are more guaranteed in terms of raw material purity, production process, quality control, etc. When purchasing, you should choose products produced by regular manufacturers, check the quality inspection report and relevant certification of the products, and avoid using low-quality silicone pads and seals to avoid shortening the service life due to quality problems of the products themselves.
Correct installation
Ensure that the installation surface is flat and clean: Before installing the silicone pad and sealing ring, thoroughly clean the installation surface to remove oil, dust, impurities, etc., and ensure that the surface is flat and smooth. Uneven surfaces will cause uneven force on the silicone pad and sealing ring, which is prone to local deformation and wear, affecting the sealing effect and service life.
Follow the correct installation method: Different types of silicone pads and sealing rings have different installation requirements, and they should be installed strictly in accordance with the product instructions. During the installation process, avoid excessive stretching, twisting or damage to the silicone products to ensure that they are correctly positioned and fit tightly with the installation site. For some situations where sealants or other auxiliary materials are required, materials that are compatible with silicone should be selected and used in the correct proportion and method.
Optimize the use environment
Control temperature and humidity: Try to control the use environment temperature of silicone pads and sealing rings within their suitable working temperature range to avoid being in high or low temperature environments for a long time. For high temperature environments, heat dissipation measures can be taken, such as adding heat sinks, improving ventilation conditions, etc.; for low temperature environments, insulation measures can be taken, such as wrapping insulation materials, etc. At the same time, pay attention to controlling the humidity of the environment, avoid long-term high humidity or water immersion of silicone, and prevent silicone from swelling or damage due to corrosion.
Avoid contact with chemicals: Understand the properties of the chemicals that the silicone pads and seals are exposed to, and try to avoid contact with corrosive chemicals such as strong acids, alkalis, and organic solvents. If contact cannot be avoided, silicone products with corresponding chemical resistance should be selected, and necessary protective measures should be taken, such as using protective coatings or isolation devices.
Reduce mechanical stress: When designing and using equipment, the mechanical stress on the silicone pads and seals should be minimized, and frequent stretching, compression, twisting and other actions should be avoided. The impact of mechanical stress on silicone products can be reduced by optimizing the equipment structure and adding buffer devices. For example, on some equipment with large vibration, shock absorbers can be installed to reduce the damage of vibration to the silicone seals.
Do a good job of maintenance
Regular inspection: Regularly check the silicone pads and seals to see if there are any wear, deformation, cracks, aging, etc. Once a problem is found, it should be replaced in time or appropriate repair measures should be taken to avoid the problem from expanding. The inspection frequency should be determined according to the use of the equipment and the working environment. Generally speaking, the inspection frequency should be higher for equipment that is frequently used or has a harsh working environment.
Cleaning and maintenance: Clean the silicone pads and seals regularly to remove dirt and impurities on the surface. You can use a mild detergent and a soft cloth to wipe, and avoid using rough tools or detergents containing corrosive ingredients to avoid damaging the silicone surface. After cleaning, make sure the silicone products are fully dried before installing or storing them.
Proper storage: If the silicone pads and seals are not used temporarily, they should be stored in a dry, cool, and ventilated place, away from direct sunlight and contact with heat sources. At the same time, avoid storing silicone products with other chemicals or sharp objects to avoid contamination or damage. For silicone products that are stored for a long time, a comprehensive inspection should be carried out before use to ensure that they are in good performance.