... two flat walls connected by vertical ribs. Polypropylene Hollow Corrugated Plastic Sheet is mainly manufactured from a high impact ... 2mm,3mm,4mm,5mm,6mm,7mm,8mm,10mm,12mm 2. Weight: From 250g/m2 to 3500g/m23. Standard Size: 2440mmx1220mm, ... 086''ColorAllAllAllAllAllAllAllAllAllAllSurface Tension (dyne/cm)46464646464646464646 feature:1. Light weight, rigid,strong and long-time durable2. Water proof, ...