X-Press It PowerTac is an non toxic extra strong glue suitable for use on wood, MDF, polystyrene, paper, metal, fabric & most plastic surfaces. Perfect for picture framers to strengthen mitred corners. Great for building models with foamboard. Ideal for difficult applications where a strong bond is desired. · Waterbased · Fast inital bond · Dries clear · Polystyrene compatible · Balance of flexibility & rigidity · Available in 125ml, 250ml and 500ml