In 20% የሰልፈሪክ አሲድ, 15% ሃይድሮክሎሪክ አሲድ, 40% hydrofluoric አሲድ, 20% እጅ ናይትሪክ አሲድ, 5% ሶዲየም የተሠራ ነው hydroxide, አሞኒያ እና ሌሎች በእንፋሎት የሙከራ አካባቢ,
PVC yolawulo yenziwe eliphezulu umhlwa ngamachiza intlaka umhlwa-resisatant reinforcement.In 20% sulphuric acid, 15% zehydrochloric acid, 40% മണ്ഡലം ifildi,-20% ne-nitric acid, 5% sodium hayidroksayidi, ammonia kunye nezinye umphunga kwimeko yokuvavanywa,