External and End corona protecting tapes are offered by Powertech Calidus which VonRoll has developed for superior electrical stress control ( CoronaShield) .

CoronaShield

• Conductive tape , impregnated and in paper form .
• Semi conductive tapes
• Conductive varnishes

CoronaShield is a newly developed tape that is based on revolutionary paper technology which has high resistivity , considered better aging compared to conventional tapes, has a high thermal resistance ( class 220 C) , free of binder resin, no abrasion , can be taped with the main wall taping machine and has no washing out of carbon/granite particles .