... 36,48,50mm Size: 920*2150 Mfr. in China. MGO foam board Specifications: 1) Thickness: 25mm, 36mm, 48mm, 50mm 2) ... , waterproof, shockproof, color weatherproof2) Non-corrosive, alkali and acid resistance; non-toxic and chemical resistant 3) Tough, rigid ... the substitution of wood Applications: 1) Advertising field: sign board, billboard, exhibition display, silk screen printing, laser engraving ...