An electric insulator is defined as a material that does not conduct electricity due to lack of free flow between its internal electric charges. In other words, in case of electric insulator materials, electrons surrounding the nuclei of atoms do not move around or relocate from one atom to another and hence, they do not conduct electricity. Products manufactured from electric insulator materials for the purpose of providing electric isolation and mechanical support are called electric insulators. Some of the commonly known electric insulator materials are wood, cotton, air, plastics, glass, and ceramics.
One of the most important functions of insulators is to provide protection from hazardous effects of electricity. This makes them particularly useful in electricity transmission and distribution (T&D) networks. Rise in investments in T&D networks is an important driver of the global electric insulators market. Developed countries of North America and Europe are in the process of upgrading their networks and building new networks to carry electricity generated from renewable sources. On the other hand, developing countries such as India and China are in the process of expanding their networks to ensure that electricity reaches every corner of their area. These investments are expected to propel the global electric insulators market during the forecast period.
In terms of application, the global electric insulators market can be segregated into transmission & distribution networks, electric traction systems, and equipment (such as surge arrestors, instrument transformers, and circuit breakers). The most commonly used application is T&D networks. The T&D networks segment is expected to expand at a rapid pace during the forecast period. Electric traction systems are commonly used in railway lines.
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