Which polymer used in insulation is more resistant to electrical surges compared to PE-39?

The selected answer, PE-89, is recognized for its enhanced electrical surge resistance compared to PE-39. This attribute is crucial in applications involving insulation where electrical surges can lead to equipment failure or safety hazards.

Polyethylene (PE) is commonly used in insulation materials due to its excellent electrical properties and durability. The specific formulation of polyethylene in PE-89 is designed to further improve its dielectric strength and withstand electrical stress better than PE-39. This is important for installations that may experience voltage spikes or transients, ensuring greater reliability and longevity of the insulation material in outside plant environments.

In contrast, the other options, while they may have their own benefits, do not exhibit the same level of surge resistance as PE-89 relative to PE-39. Each variant of polyethylene serves different functions in terms of thermal properties, chemical resistance, and mechanical strength, but PE-89 is specifically optimized for applications where electrical surge resilience is a paramount concern.