... resistant spraying polyurea (SPUA) lining material is a third generation spraying polyurea elastomer, which is molded ... equipment and new technology together. It is a revolutionary leap in the traditional application technique, and ... vertical surfaces with no sags occurring. It has a gel time of 5 s , and takes 1 ... , age resistance, and corrosion proof;It has a sound thermo stability, can be used in long ...