Bostik STIX A640 Pressure Sensitive Bostik STIX A640 PRESSURE SENSITIVE is a high performance, solvent-free, pressure sensitive acrylic adhesive, with low VOC emissions (EC1), which is ideal for bonding PVC sheet and tile coverings. STIX A640 PRESSURE SENSITIVE adhesive has been specially formulated to give a high initial tack and excellent bond strength and dries to form a permanently tacky film. It is a high temperature adhesive when used as a wet set adhesive.STIX A640 PRESSURE SENSITIVE provides a smooth, easy application with excellent workability, which makes it ideal for use with all types of PVC floorcoverings. It can be applied to smoothing compounds, concrete, sand/cement screeds, flooring grade plywood, chipboard, hardboard and screed boards.It is suitable for use with warm water underfloor heating systems, provided a surface temperature of +27°C is not exceeded. 5kg / 15kg