Electrolube cpl clear protective lacquer electrolube cpl200h p this clear lacquer is ideal for protecting printed circuit boards pcbs from humidity and environmental attack and for extra high tension eht sealing the lacquer gives a high quality glossy finish with low oxygen permittivity good surface resistivity and a good resistance to humidity it is also ideal for protecting ferrous metals and metal windings from corrosion p p easy and economical to use this clear lacquer from