Ujeedada guud ee fiilooyinka gudaha ee qalabka elektaroonigga ah iyo korantada, halka ay soo gaadhay saliida heerkul aan ka badnayn 60°C ama 80°C.Dhumucda dahaarka lebbiska ee siliga si loo hubiyo in si sahlan loo jeexjeexo loona gooyo.U adkaysta acids, alkalis, saliidaha, qoyaanka iyo fungi.