Iiphaneli zesikrini ze-polyurethane zisetyenziswa ngokubanzi kwi-metallurgy, amalahle, ishishini lezinto zokwakha kunye nobunjineli bombane wamanzi, ukucocwa kwenkunkuma ebolileyo, inkwali kunye namanye amashishini okuhlamba impahla, ukuhlola kunye nokuhlelwa.Iiphaneli zesikrini se-polyurethane zenziwe nge-polyurethane ephezulu yokunxiba ...
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