Nkọwa nke ngwaahịa
Reso-formaldehyde resin (UF), nke a makwaara dị ka ureadoldehyde resin, ma mee ka a na-eme ihe nkiri na-eme ihe na-enweghị atụ) na-emepụta ihe nke na-eme ihe nkiri ma ọ bụ ditụ. Thermosetting resin. Reser torea-formaldehyde resin na agba karịa plenalic resin, translucent na-adịghị ike acids na alkali, na-eguzogide na akụrụngwa dị mma, ma dị ọnụ ala. Ọ bụ ihe a na-ejikarị eme ihe dị iche iche na-ejikarị ya eme ihe, ọkachasị na-arụpụta bọọdụ a na-eme ihe dị iche iche na ụlọ ọrụ nhazi osisi. However, urea-formaldehyde resin is easy to decompose when exposed to strong acids and alkalis. It has poor weather resistance, poor initial viscosity, large shrinkage, brittleness, water resistance, and easy aging. Artificial boards produced with urea-formaldehyde resin release formaldehyde during the manufacturing and use process. problem, so it must be modified.

Akwukwo icho oru
Enwere ike iji ya na ngwaahịa na-achọghị iguzogide mmiri dị egwu na akụrụngwa dielectric, ihe dị mkpa, ihe ịchọ mma, ma enwere ike iji ya na-emepụta ihe atụ ụfọdụ.

Urea-formaldehyde resin is the most commonly used type of adhesive. Karịsịa na-emepụta bọọdụ a na-eme ihe dị iche iche na ụlọ ọrụ nhazi osisi, urea-formaldehyde resin na akaụntụ akaụntụ ya maka 90% nke ngụkọta njikọta.