Polymeric Composite Silicone Insulators
Composite Polymeric insulators made up of silicone give a magnificent performance in all working conditions including harsh conditions. For providing housing over the insulator a pultruded fiberglass rod is used. All the ends of the glass rod have the security of galvanized steel or aluminum fittings. Though Silicone or Ethylene Vinyl Acetate (EVA) is also used for providing housing to the insulators as per the requirements.
These composite polymeric insulators were introduced when the demand for better technology as compared to glass or ceramic insulators arise. The manufacturing of these silicone rubber insulators started with various combinations of top quality silicone materials and their end fitting is made up of metal like SG iron casting or forged steel.
There are many types of composite insulators and their type is dependent on the requirement of bending, suspension, and tension. The different types of composite insulators include Disc Insulator, Pin insulator, Polymer strain insulator, cross arm silicone rubber insulator, station post polymer insulator, and suspension long rod silicone rubber insulator The usage of composite insulators has increased for preventing the line flash over triggered by the pollution.
Here are some of the common features of composite silicone insulators:
These insulators are recommended for use in highly polluted areas.
The benefit of using these insulators is the requirement of minimum attention towards maintenance and cleaning.
The transportation and installation of these polymeric insulators are economical and very easy.
These insulators come with mechanical strength which is elevated.
These are lighter in weight as compared to porcelain insulators by almost seventy to eighty percent.
Hydrophobicity is provided by these insulators due to the usage of top quality silicone rubber.
Polymeric insulators come with excellent anti-tracking properties.
Less labor is required for handling these insulators.
These insulators come with resistance to vandalism and breakage.
These insulators provide low leakage current in long term aging.
For sheathing, an especially formulated top quality high tracking resistance silicone rubber have been used.
Other properties of these polymeric insulators include highly resistant to weather and UV.
Due to the usage of cutting edge technology, these composite insulators are resistant to puncher also.
Due to advanced technology, there is no need for zero value checks.
With these insulators, there is no brittle and they also reduced the need of buying any kind of spare parts.