Commercail plywood Core: Poplar core, hardwood core, paulownia core Face/back: Okoume, red meranti, bintangor, agathis, pine, red canarium, DaBaiMu or birch. Glue: MR, WBP, Melamine, E2, E1 or CARB Grade: AA AA/BB BB/BB, BB/CC, DBB/CC, CC Size: 1220x2440, or 1250x2500, or 3'x7'.