... machine, has good shock absorption, sealability, corrosion resistance, etc. The machine has following features:1) PE air bubble film (also ... , impact resistance, sealability, corrosion resistance, transparency, etc3) Widely used in the numerous fields of electronic products, precision instrument, daily necessities, glass ... 5×4Total weight(approx)T36591215 PE 2-7 Layers Composite Air Bubble Film Machine