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     INTRODUCTION
  Silicone Rubber Leakage Extender Series for Post Insulators
 
                                                        Silicone Rubber Extender                                                             Application in Chemical Plant
 
  Features
 
 Silicone Rubber Performance
Tensile
Strength
[Mpa]
Elongation At Break
[%]
Oxygen Index


Volume
Resistivity [Ω·cm]

Breakdown
Field
[MV/m]
  Tracking
Resistance [Class]
5.8
210
30
1015
25
1A4.5

 ■   
Effectively improve electric field distribution
        of post-insulator surface
 ■   Excellent hydrophobiticity and long operating life
 ■   Effectively increase flashover voltage of post-         insulator under heavy polluting work conditions

 
 
  Essential Technical Data
Weather-ageing Resistance
More than
10 years
Artificial Ageing Test
4000 hours, no
apparent changes
    The increasing ratio of flashover voltage of ZS 110/400 post insulator with 3 silicone rubber extenders.

Flashover
Voltage(Dry)

42%

Flashover
Voltage(Wet)

96%

Flashover Voltage
(Heavy Pollution)

164%
                              Application in Cement Plant
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