Sealapex is a non eugenol calcium hydroxide. Kerr Sealapex root canal sealer provides healing and hard tissue formation. Complete kit. Ingredients for Sealapex. Catalyst Isobutyl salicylate resin, fumed silica ( silicon dioxide ), bismuth trioxide, titanium dioxide pigment. Base N-ethyl toluene solfanamide resin, fumed silica ( silicon dioxide ), zinc oxide, calcium oxide.