CG commenced manufacturing of Polycrete CTs & VTs in the year 1994-95. The Polycrete application for electrical products has been patented by CG in the year 1995. Since 1994-95 , more than 50000 products have been manufactured & supplied to Indian & International Customers. The CTs & VTs manufactured using Polycrete are in the kV Range of 11kV to 33kV.
Polycrete means Polymer Concrete & is a Solid Insulating Material. The main composition of Polycrete is Polyester Resin , Silica Flour & various chemicals used as binders. The mixing of the components is carried out under Vacuum to achieve void free castings. The Polycrete is Hydrophobic & thus ideal for Outdoor applications. The electrical application of Polycrete was established after thorough research and validation on samples & products at our Global R&D located in Kanjur Marg , Mumbai.