Polymer Vs Ceramic
FACTOR
- Resistance to Flashovers in the Polluted atmosphere.
- Resistance to puncture
- Resistance to Cracking and Erosion in the Polluted atmosphere.
- Contamination & Pollution
- Hydrophobicity
- Self-cleaning property
- Maintenance
- Weight
- Resistance to breakage and Vandalism
- Artificial Pollution Test
- Power Arc Test
Ceramic
- Low
- Puncturable (Class: B Insulators)
- Low
- Highly affected
- Non Hydrophobic
- Due to Glaze and Inclination of Sheds
- Needs maintenance like cleaning, washing, greasing
- More
- Breakable in Vandalish prone areas
- Mandatory
- Mandatory
Polymer
- High
- Not Puncturable
- High
- Performance not affected
- Unique Hydrophobicity Character
- Due to Hydrophobicity recovery characteristic
- No maintenance is required
- 10% to 35% of Ceramic Insulator
- Unbreakable
- Not applicable
- Not Mandatory
