Cross-linked polyethylene insulating refractory power cable Description: 1, Excellent fire resistance, fire resistance rating ... radius ≥20D, D is the cable diameter. 5, Burning smoke, non-toxic, inorganic insulating material "does not burn the body ... 105 ℃. Fireproof cable overload permissible operating temperature up to 250 ℃. 7, Corrosion resistance, an organic insulating fire-resistant cables ...