Kontakt chemie plastik 70 conformal coating kontakt chemie 207436091242 plastik 70 is a highly effective quick drying transparent insulating and protective clear lacquer coating for use in protecting printed circuit boards pcbs from humidity and environmental attack and overcomes electrical leakages and short circuits br br by applying this acrylic resin lacquer three times to the same area allowing 30 minutes between applications a dielectric strength of 16kv is obtained br br fo