PU Roller ke lihlahisoa tse lahliloeng.ha e bapisoa le li-encapsulates tse tloaelehileng (haholo-holo li bua ka rabara), e na le matla a phahameng a mochine (rabara ea tlhaho makhetlo a 2-3), khanyetso e ntle ea ho apara (rabara ea tlhaho ka makhetlo a 5-10), e hanyetsanang le khatello ea maikutlo, mefuta e mengata e thata, e ntse e na le elasticity ho boima bo phahameng (liraba tse ling ha li na likarolo tse joalo), ho benya ho holimo, ts'ebetso e ntle ea ts'ebetso ea mochini, ho khomarela tšepe ea eona ho feta tse tloaelehileng 'me e loketse haholoanyane lebelong le itseng le tikolohong ea khatello e phahameng.