Donspray 502 e fafatsa mekotla e nang le li-hilyol tse monate, e arabela ka li-isocyanate ho hlahisa foam, e leng latelang,

1) lisele tse ntle le tse sa nepahalang

2) ho beleha ha nyenyefatsa

3) ho hanyetsa mollo o phethahetseng oa mollo

4) Ho tsitsa ka mokhoa o phahameng oa mocheso.

E sebetsa ho mefuta eohle ea tlhaiso-leseling e hlahang, e kang likamore tse batang, lipitsa tse kholo, li-pipelimi tse kholo le lebota le ka hare kapa lebota le ka hare.