Large number of professional black cardboard

This environmental black card under neutral conditions, using the most elected to the specialty paper machines and advanced production technology from papermaking, black high, moderate and stable color, do not fade, good stiffness and smooth paper, physical the intensity is high, and not harmful chemical agents containing chlorine, volatile sulfur, benzene and other organic products meet national standards requirements regarding packaging Metals in limited amounts, to the SGS-CSTC Standards of ROSH report