persistent anti-pollution flashover compound coating for electric insulation equipment PRTV(RTV-2)is a new kind of electrical functional material,specially designed for generation,transmission and energy users in electric power system eliminating pollution flashover of equipment ,cooperated with north China electric institute,the research and application of PRTV become technical measurements for lasting insulation protection.this product adopts the independent research and development of patent technology (patent No.:ZL200310116799.2&200420091288.X),obtains second prize of CEC and SGCC scientific and technological progress .PRTV performance can meet the technical specification of hot vulcanized silicone rubber,and its designed service life is about 20years.PRTV is registered trademark of HSVC ,and is identified as China well-known trademark
composite insulator is used for transmission and distribution,excellent properties and quality,passed the certifications of ISO9001-2008,ISO14004-2004 and OHSAS 18001-2007.
