In high-temperature workshops of industrial production, and in the hidden components of everyday products, there is a material silently enduring the test of extreme temperatures—high-temperature resistant silicone rubber, capable of withstanding temperatures up to 350℃. Are you curious about what kind of material can remain stable in such a scorching environment? And what characteristics make it so highly sought after in industrial manufacturing and consumer goods? Today, we will delve into the impressive capabilities of this "high-temperature guardian."
The core advantage of high-temperature resistant silicone rubber is, first and foremost, its exceptional heat resistance. Ordinary rubber tends to soften, deform, and age in environments above 100℃, while this high-temperature resistant silicone rubber can maintain stable performance even at extreme temperatures of 350℃, without undergoing any qualitative changes due to excessive heat. This characteristic stems from its special molecular structure; the stable silicon-oxygen bonds give it far superior thermal stability compared to ordinary rubber. Whether subjected to continuous high-temperature baking or repeated cycles of heating and cooling, it maintains its performance, providing a solid guarantee for the stable operation of subsequent products.
In addition to its exceptional heat resistance, this silicone rubber also boasts excellent process adaptability, easily meeting the requirements of both compression molding and extrusion molding, the two main processing methods. Compression molding is suitable for producing complex-shaped parts with high precision requirements, such as irregularly shaped heat-resistant seals and customized high-temperature protective covers; extrusion molding is more suitable for mass production of tubular and strip-shaped products, such as heat-resistant extruded tubes and sealing strips.The flexible adaptation of two molding processes allows for precise customization of product forms based on different application scenarios, covering a wide range of needs from precision industrial components to everyday practical accessories, significantly increasing the product's application scope and production efficiency.
In specific application scenarios, high-temperature resistant silicone rubber is ubiquitous. In the industrial field, it is a core raw material for heat-resistant seals, widely used in sealing parts under high-temperature conditions such as automotive engines, aerospace equipment, and industrial boilers. It effectively prevents the leakage of high-temperature gases and liquids, ensuring the safe and efficient operation of equipment. In the consumer goods sector, the heat-resistant extruded tubing made from it can be used in high-temperature pipelines of household appliances and hot water pipes in kitchens, adding a layer of safety to the daily use of these products.Especially in applications requiring contact with high-temperature media, its stable performance is irreplaceable, making it a key material for improving product durability and safety.
It is worth noting that if this silicone rubber is used to manufacture products that come into contact with food, a crucial step is indispensable: it must undergo a post-curing process at 200℃ for 4 hours. This step is not superfluous; it is necessary to further enhance the safety and stability of the product, ensuring that any harmful substances in the material are completely volatilized and that it meets the safety standards for food-contact materials.After post-curing treatment, the product not only retains its excellent heat resistance but also meets food-grade safety requirements. It can be safely used in applications involving direct contact with food, such as seals in food processing equipment and heat-resistant kitchen utensils, offering both practicality and safety.
In addition to the core characteristics mentioned above, high-temperature resistant silicone rubber also possesses excellent mechanical properties. It has outstanding elasticity and tensile strength, allowing it to quickly rebound when subjected to external pressure or stretching, and is not prone to permanent deformation. It also exhibits good wear resistance and aging resistance, making it less susceptible to damage from friction and environmental erosion during long-term use, significantly extending the product's lifespan. This dual advantage of "heat resistance + durability" makes it stand out among many high-temperature materials, becoming a high-quality choice that combines performance and durability.
High Temperature Resistance Silicone Rubber(350℃),pls check
IOTA HTV 329