1.Good insulation property 2. Anti-electrical tracking and UV
3.superior track and erosion resistance 4.Anti-aging and heat(-60celsius degree -+200celsius degree) 5. High elastomer, no sharp splash when unforessen destroying 6. Easy to check and install: Take out the inner parts when installing, no need any fire and special tool 7.Available models:0.6/1kV,8.7/15kV,12/20kV,18/20kV,26/35kV.