Difference Between PE Vacuum Bag And PP Vacuum Bag

No.1, PE and PP vacuum bag chemical structures are different. PE, or polyethylene, is a simple structure of the polymer, by the repeated G-CH2-units connected, polyethylene is through the addition of ethylene polymerization. PP refers to polypropylene, a kind of semi-crystalline thermoplastic.

No.2, the characteristics of PE and PP vacuum bags differ. Polyethylene is odorless, non-toxic, feels like wax, has good low-temperature performance, PE vacuum bag min. temperature can reach 100 Shan. Polyethylene chemical stability is good, can endure more acid-base erosion, is insoluble in general solvents at room temperature, water absorption is small, and electrical insulation performance is good, but polyethylene thermal aging is poor. Polypropylene has a high impact resistance, and mechanical properties and strong can resist various organic solvents and acid-base corrosion.