1. Ke kumukuai oka noho luau UFhe makaʻu a lawa nā mea maka.
2. ʻO ke ʻano molekiko ourea formaldehyde(UF) noho lualoaʻa nā ʻātoma oxygen polar, no laila ua pili maikaʻi i ka ʻili. Hiki ke hoʻohana ʻia no ka primer a me ka uhi waena e hoʻomaikaʻi i ka pili ʻana ma waena o nā topcoats.
3. No ka meaNoho hale lua UFhiki ke ho'ōla i ka lumi wela ke hoʻohana i ka acid catalyst, hiki ke hoʻohana ʻia no nā ʻāpana lāʻau ʻelua.
4. ʻO ke kiʻi pena i hoʻōla ʻia me ka resin urea formaldehyde he hiki ke maʻalahi.
5. He kiʻekiʻe ka viscosity o ka resin formaldehyde Urea, ka waiwai waika kiʻekiʻe a me ka paʻa ʻole o ka mālama ʻana.