Solidus Grey Board is a graphic board with 3 layers glued by an adhesive based on polyvinyl alcohol. There are 3 eminent features: perfect rigidity, flatness and smoothness. The dimensional stability of the board ensures the product remains flat and stable in different climates. And the superior flatness with constant calipers and sizes, ascertain excellent running on processing machines. Last of all, the smooth surface of Solidus board has the right absorption capacity to allow quick and economical gluing.