The smoked sheets are masticated on cool, tight mill rolls for ten minutes. The masticated rubber is added to the mineral spirits under agitation. The rubber solution is then heated to 65 to 70'C. in a Sigma Blade Mixer and the "neville" LX-685, 125 is added under agitation. The "Calcene," "Titanox" RCHT, asbestos, and R-29 "Neville" resin, 35' are added in that order. APPLICATIONS: Floor-tile adhesive (asphalt, ceramic, cork, rubber, vinyl). Wall-tile adhesive (ceramic, polystyrene).