Putanga 1: Ko te whakamahinga tino nui o te waikawa phosphorus (waikawa arahi taketake) ko te whakaputa i te phosphite phosphonic, he kaiwhakatika i roto i te PVC me nga polymers chlorinated e pa ana. Putanga 2: Ko te whakamahinga tino nui o te waikawa phosphoric (waikawa arahi taketake) ko te whakaputa i te phosphorus phosphite, he kaiwhakatika i roto i te PVC me nga polymers chlorinated e pa ana. Pātai: He ōrite te tikanga o te rerenga 1 me te rerenga 2? He Ae, he Kore rānei?
Āe, āe