... .light weight,durable,waterpro 5.corona Export to USA:10mm coroplast with corona treatment is made of melted Polypropylene, It ... rack, partition, gift boxes, food packing etc. 2. Advertising: coroplast sign board, shopwindow displays, pop-up displays, exhibition boards, picture ... and false ceilings. 4. Stationery and art design: coroplast signs has multi-color, suitable for art design and various ...