... circumnutate, good stiffness Characters: extremely bright, equably aluminiumed, flat and smooth surface, good adhesive force, hard to circumnutate, good stiffness ... bottom are water soluble, pollution-free and ordorlessBasic Parameter Parent metalsoffset paper (60-120g/), copper plate paper(80-400 g/), ivory board ... used in the bottom are water soluble, pollution-free and ordorless Holographic paper