ZAP-CA PENETRATING CHAIR ADHESIVE, CYANOACRYLATE ( SUPER GLUE ) 1oz. Bottle, ZAP/CA Super Thin Penetrating Adhesive-1 oz. Bottle.Zap/CA is very thin, penetrating and instant curing. One or two drops are all that's necessary. It's wicking action allows assembly prior to gluing. Hold parts tightly together and apply a drop of Zap/CA to the outside of the seam. It penetrates into the joint and cures in 10 to 15 seconds. Great for tightening loose chair joints!