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Ukuhanjiswa okuqhubekayo kwentambo ye-phenolic ne-urea
Ukuvalwa okuqhubekayo kwe-phenolic kanye ne-urea kuvame ukusetshenziswa kweziva zokuvalwa kwemikhiqizo ehlukahlukene, njengezimonyo, amakhamishini nokudla. Lokhu kuvalwa kwaziwa ngokuqina kwabo, ukumelana kwamakhemikhali, kanye nekhono lokuhlinzeka ngokubekwa uphawu okuqinile ukuze kugcinwe ubusha nobuqotho bomkhiqizo.
