W303 is a PVA adhesive with a good water resistance which meets the requirements of class D3 as a one component product and mixed with Tensorbond W303 hardener meets the requirements for D4 standard DIN EN204 Tensorbond W303 sets very quickly, If heat is applied, very short pressing times can be achieved The bonded joints are characterised by good high temperature resistance. Machining the joints causes very little wear on the tools.