1.plastic film impactor 2.easy to operate Name:Corona TreaterMain Technical Parameters: Power SupplySingle phase 220v,12A,50HZHectrodeDouble Yeamers:50-60mm AdjustableThe Speed of Processing FilmHot film 10-50m/minCooling film 10-30m/minFrequency output10±0.5khz,5-16kv,2kw Corona Treater BGDE-2000(3000)