General knowledge of polyurethane spraying machine operationThe polyurethane spraying machine belongs to an airless high-pressure mixing type.Specific operation:1. Insert the two feed pumps into industrial buckets containing components A and B, and the materials enter the body from the feed pump tog

The appearance of polyurea coating has broken the situation that epoxy, acrylic and polyurethane are all in the world in the field of coating protection,