XPS insulation board, PET foam, KT board, EPE pearl cotton special melt pump, also known as melt metering pump, for a variety of plastic, rubber, elastomer and other materials extrusion system. It is used for conveying, pressurizing and metering of high temperature and high viscosity polymer melt. Its main function is to pressurize and stabilize the high temperature melt from the extruder and keep the melt flow accurately and steadily into the extruder head. Application of melt pump in XPS foam production line 1.135 feeding screw parameters: 75KW motor, 8 temperature zones: 172℃, 156℃, 160℃