zinthu

kufotokozera mwachidule:

Tannin ya Neutralizing ndi chinthu chopangidwa ndi anthu chomwe chimagwiritsidwa ntchito pokonzanso khungu la chikopa. Chimagwiritsidwa ntchito makamaka pokonzanso khungu la chikopa chopangidwa ndi chrome. Ntchito yake yayikulu sikuti kungosintha alkali, koma kusintha pH ya chikopacho pang'ono kudzera mu buffering ndi restrictive properties, pamene kumasula ulusi ndikulimbitsa kapangidwe ka pamwamba, motero kupanga mikhalidwe yabwino kwambiri yokonzanso khungu, utoto, ndi mafuta.