
240GSM/250GSM/280GSM/290GSM/300GSM Grey Back Duplex Board. Wide Grammage Range: Available from 230g to 450g to meet diverse packaging needs. Customizable Sizes: Offered in standard rolls and sheets with fully customized dimensions. Superior Printability: Glossy coated surface ensures excellent multicolor and high-speed printing results. High Stiffness Support: Outstanding stiffness provides strong support for carton laminating and die-cutting. Versatile Applications: Widely used for food, wine, toy, drug, and shoe box packaging. Excellent Surface Quality: Features good smoothness, even thickness, and clean coating for hot-stamping. Fast Off-Season Delivery: Lead time within 15 workdays during off-peak seasons. International Shipping Terms: Supports FOB, EXW, CFR, CIF, CIP, and CPT for global trade.