1. Ukuhluzwa okunzulu Olu hlobo lwezinto zokucoca lukhululekile, kwaye umsantsa phakathi kwefayibha kunye nefayibha mkhulu.Ngokomzekelo, i-polyester eqhelekileyo enenaliti yaziva ine-gap ye-20-100 μm.Xa i-avareji yobungakanani be-particle yothuli yi-1 μm, ngexesha lomsebenzi wokucoca, inxalenye yeengqungquthela ezintle ...
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