... : brown, green,black7090 type wet curtain specification1) Corrugated paper with the spatial crossing linking technology, high ... saving, environmental protective, economic and durable.5) Galvanized sheet and aluminum panel optional.Available Size (7090/5090) ... W: Width D: Depth h: corrugation height α: corrugated sheet angle (1) β: corrugated sheet angle (2) Pad 7090Pad5090H (mm)1500, 1800, ...