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The heat resistance of PBT raw materials refers to its ability to maintain its physical properties and structural stability in high temperature environments. This feature has important application value in many fields, especially in the automotive, electronics, electrical appliances and other industries.
First, PBT has a high heat distortion temperature, usually between 130°C and 150°C. This means that under high temperature conditions, PBT materials are less likely to deform or lose their mechanical properties. In contrast, some common plastic materials such as polyethylene (PE) and polypropylene (PP) have lower heat distortion temperatures and are prone to softening and deformation. Therefore, PBT has obvious advantages in high-temperature environments and can withstand higher temperatures and pressures, ensuring the stability and reliability of components.
Secondly, PBT has good thermal stability, that is, it is not prone to decomposition or oxidation reactions under high temperature conditions. This allows PBT to maintain its physical properties and chemical stability in a long-term high-temperature environment, and is not prone to aging and embrittlement. In some special applications, such as automobile engine rooms and electronic equipment, the thermal stability of PBT is very important to ensure the reliability and safety of components.
In addition, PBT has excellent thermal oxidation resistance, that is, it is not prone to oxidation reactions in high-temperature oxygen environments. This allows PBT to be used in high-temperature air for a long time without fading, yellowing or becoming brittle. Therefore, PBT is often used to manufacture parts that require long-term exposure to high temperature environments, such as electrical equipment and lighting fixtures.
PBT also has good resistance to hot oil, that is, it is not easy to soften, dissolve or deform in high-temperature oil environments. This allows PBT to withstand high-temperature lubricants and greases in automobiles and industrial equipment, maintaining its physical properties and structural stability. In automobile engines and transmission systems, PBT is widely used to manufacture heat-resistant seals, gaskets and bearings to ensure vehicle stability and safety.
In addition, PBT has good high-temperature electrical insulation properties, that is, it is not prone to electrical breakdown and conduction under high-temperature electric fields. This makes PBT widely used in the electronics and electrical industries, such as manufacturing wire connectors, circuit boards and insulation parts. The high-temperature electrical insulation properties of PBT help improve the safety and reliability of electrical equipment.
Advantages of the mechanical properties of PBT raw materials when used
How does the thermal stability of PBT Resin give full play to its advantages
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