电力管的性能和特点：电力管具有优良的电气绝缘性。电力管具有较高的热变形温度和低温冲击性能。电力管抗拉、抗压性能比HDPE高。电力管质轻、光滑、磨擦主力小、可热熔焊对接。电力管长期使用温度一5～70℃。

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