... Operation Instructions The N2 mortar spraying pump is a spraying unit with high reliable, well-adapted, sturdy and durable, easy operated ... glue, adhesive, fireproof materials, epoxy coatings.Construction Projects Interface agent, wall mortar spraying, grid structure spraying, floor grouting, fireproof and anticorrosive ... without notice. 2013 New N2 plaster machine / mortar pump for wall