The 2.5l sealed round pail has the following advantages: 1, low cost, not easy to crack, non-toxic at room temperature, safe to use. 2, oil resistance, fat resistance, dilute acid, dilute alkali resistance, resistance to most solvents. 3, with good mechanical properties, impact strength is 3 to 5 times that of other films, good folding resistance. 4, has excellent high and low...