solid colour, lightly speckled, not glued, smooth/smooth (both sides satined)
Black solid-fibre board is a so-called press-rolled board or automatic paperboard with two satin finished smooth surfaces. These are a result of the production process in which the board runs through a calender (two smooth drums). This process also intensely presses the board so that a clearly higher density is achieved as compared to board that is not satin finished. The board is thereby much more stable and flat.