Polyester resin is a two component, mix in the nozzle resin with European approval. Suitable for many kinds of solid and hollow masonry. Simple to apply by pumping a required resin quantity into the hole.An economic resin ideal for day to day non-safety critical applications.For areas that are well ventilated at the time of installation .Ready to use.Less wastage & no leakage.Mixing nozzle included.Low extrusion force.