What’s PBT CF and PBT CF60?

Among numerous high-performance engineering plastics, the PBT CF series composite materials stand out with their excellent performance.
PBT CF is a material family composed of polybutylene terephthalate (PBT) and carbon fiber. PBT itself has good mechanical properties, heat resistance, chemical corrosion resistance, and electrical insulation properties. The addition of carbon fiber is like injecting powerful impetus into it. Carbon fiber has extremely high strength and rigidity. When combined with PBT, it greatly enhances the overall performance of the material.

The PBT CF series composite materials show great application potential in many fields. In the field of electronic appliances, it can be used to manufacture high-performance connectors, switches and other components. With its good electrical insulation and mechanical strength, it ensures the stable operation of equipment. In the automotive industry, it can be applied to engine peripheral parts, interior parts, etc., which can not only withstand high-temperature environments but also meet the demand for lightweight.
Among this excellent carbon fiber filled PBT series, there is a star product – PBT CF60. PBT CF60 inherits the excellent characteristics of the PBT CF series and is even better in performance. The “60” in it usually represents the carbon fiber content ratio. The higher carbon fiber content makes it have more outstanding strength and rigidity. In some application scenarios with extremely high material performance requirements, PBT CF60 is particularly prominent.

Performance characteristics of PBT CF60

1. Mechanical properties:
– High strength. The reinforcement of carbon fiber greatly increases the strength of the material, which can withstand greater stress and load and is suitable for mechanical parts and so on.
– High rigidity. It has high rigidity and is not easy to deform under stress, maintaining dimensional stability and being suitable for electronic equipment casings and so on.
– Good impact resistance. It improves the impact resistance of PBT and is not easily damaged when subjected to impact.
2. Thermal properties:
– Good heat resistance. The combination of carbon fiber and PBT improves heat resistance and is suitable for high-temperature environments such as automotive engine parts.
– High heat distortion temperature. It is not easy to soften and deform at high temperatures, maintaining structural and performance stability.
3. Electrical properties:
– Good electrical insulation. It still has good electrical insulation and can be used for electrical insulation components in electronic appliances.
– Low dielectric constant and loss. It meets the requirements of high-frequency electronic equipment.
4. Dimensional stability:
– Low shrinkage rate. The low molding shrinkage rate improves the dimensional accuracy and stability of products and reduces defects.
– Insensitive to the environment. The dimension is less affected by environmental factors and is suitable for complex environments.
5. Processing performance:
– Moderate fluidity. It is conducive to injection molding and is not easy to have defects such as flash.
– Good processability. It can be molded in multiple ways, and the processing technology is simple and convenient for large-scale production.

For example, in the field of high-end mechanical manufacturing, PBT CF60 can be used to manufacture precision gears, bearings and other components. Its high strength can withstand greater loads, and its high rigidity ensures dimensional stability during operation, reducing the risk of wear and deformation. At the same time, its heat resistance also enables it to maintain good performance in high-temperature working environments.

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