Polyplastics Group is launching an upgraded version of the PBT brand DURANEX® PBT CG7030, which can provide better tracking resistance for a series of high-voltage automotive parts.
DURANEX®PBT CG7030 is a grade filled with 30% glass fiber, which has strong dimensional stability and highly stable resistance and dielectric breakdown performance.
Electrification of automobiles, increasing demand for high-voltage auto parts
Due to the worldwide efforts to reduce the use of fossil fuels and carbon emissions, the automotive industry is undergoing dramatic changes, and car electrification is gaining increasing attention.
As automakers increasingly turn to electric vehicles, the demand for high-voltage auto parts is expected to increase.
PA 66 and PBT can be used in electric vehicle applications such as batteries, power supply control units (PCU) and motors / generators. Polyplastics continuously tests PA 66 and PBT at temperatures ranging from -40 ° C to 140 ° C.
Tests have found that the performance of PEBT grades is almost unchanged even in high temperature and humid environments. Polyplastics believes that it is more suitable for high voltage applications than PA66. These results indicate that when the environment changes, the use of PBT can reduce changes in electrical performance.
The test results also show that DURANEX® PBT CG7030 maintains its dielectric breakdown strength in a high-temperature and high-humidity environment (85 ° C / 85% RH, after 1000 hours). In fact, PA66-GF33% decreased significantly by about 40% under high heat and humidity conditions.
Compared with PA66-GF33%, the volume resistivity of DURANEX® PBT CG7030 has also increased, indicating that the volume resistivity has decreased significantly under high heat and humidity.