Mtundu wa formaldehyde ndi amoniya
Makhalidwe amadzimadzi
Nsalu zosiyanasiyana za mthunzi nthawi zambiri zimakhala zotsutsana ndi zotchinga, anti-scalding, anti-khwinya komanso kukonza mitundu pakudaya ndikumaliza. Nthawi zambiri, kulumikizana kolumikizana kumafunika, ndipo formaldehyde ndi chida cholumikizira chomwe chimagwiritsidwa ntchito kwambiri.
Chifukwa chosakwanira kolumikiza, ma formaldehyde omwe sanatenge nawo gawo polumikizana kapena formaldehyde yopangidwa ndi hydrolysis adzamasulidwa ku nsalu yotchinga dzuwa, yomwe ingayambitse kukwiya kwam'mimba, khungu ndi maso, kupangitsa kutupa , ngakhale kuyambitsa ziwengo ndi khansa.