Adhesive hardener for cyanoacrylate curing dust for cyanoacrylate adhesives to increase filling and adhesion strength. Highly refined powder with a grain size of 45-90 microns to maximise the curing effect. Apply to the cyanoacrylate and leave for 5 minutes. Excess can then be sanded and applied to solid surfaces. Not water-soluble. Non-toxic. Close container well after use. Contents: 20 g.