Urea formentdehyde hmoov av, npaj rau kev xa khoom ~

Khoom Piav Qhia
Urea-formaldehyde cob (UF), tseem hu ua urea-formatherhyde resin, thiab tom qab ntawd acidichyde resin, thiab tom qab ntawd cov acc aus Thermosetting cob. Kho urerea-formaldehyde cob yog ntais ntawv ntau dua cov kua qaub tsis muaj zog, muaj cov rwb thaiv tsev zoo, thiab yog pheej yig. Nws yog qhov feem ntau siv ntau yam ntawm cov nplaum, tshwj xeeb hauv kev tsim khoom ntawm ntau cov khoom lag luam ntoo hauv kev ua lag luam ntoo ua haujlwm rau 90% ntawm tag nrho cov nplaum siv. Txawm li cas los xij, urea-formea-formeasyde resin yooj yim mus decompose thaum raug rau muaj zog acids thiab alkalis. Nws muaj huab cua phem tsis kam, tus thawj coj tsis zoo, loj shrinkage, loj dua, brittleness, dej tsis kam, thiab kev laus. Cov txiag tsim khoom tsim tsim nrog urea-formeDehyde resin tso formaldehyde thaum tsim khoom thiab siv cov txheej txheem. teeb meem, yog li nws yuav tsum tau hloov kho.

Daim ntawv thov
Nws tuaj yeem siv tau hauv cov khoom uas tsis tas yuav tau cov dej tsis kam ua, xws li cov ntaub ntawv tso quav, thiab tuaj yeem siv rau hauv cov khoom lag luam ntawm qee cov tableware.

Urea-formaldehyde resin yog feem ntau siv hom nplaum. Tshwj xeeb tshaj yog nyob rau hauv kev tsim khoom ntawm ntau lub chaw tsim khoom hauv kev ua ntoo ua ke, urea-formaldehyde resin thiab nws cov khoom siv hloov kho rau txog 90% ntawm tag nrho cov nplaum siv.