High Pressure PU Polyurethane spraying machine is widely used
for sparing the PU materilas foams layer for chiller room,
refrigeration on the wall/roof/floor as insulation
purpose.
Injection type of PU Polyurethane machine suits for inject the
PU into the window fittings, pipes, etc for insulation as
well.
Nowadays, PU spraying foams are often in use instead of
polyester or fiber wools.