... g/sqm7 mm1400g-2500 g/sqm2. Features: 1) PP Hollow Sheet can be electrostatic prevention and electric conduction.2) It ... used as transportation box, mailbox, partition, gift boxes, food packing etc. 2) Advertising: With corona treatment, PP hollow sheet can be ... used as advertising board, show board, brand mark, light box board, shopwindow displays, pop ...