Indoor decorating and refurbishing materials; Wallpaper and similar wallcoverings of paper; window transparencies of paper (HS 4814); Paper and board (ICS 85.060)
National Standard of the P.R.C., Indoor Decorating and Refurbishing Materials - Limit of Harmful Substances of Wallpapers (16 page(s), in Chinese)
This standard specifies the limits, test methods, and inspection rules for three kinds of harmful substances, i.e. heavy metal (or other) elements, polyethylene monomer, and formaldehyde in wallpapers. This standard is mainly applicable to wallpaper with paper as base material.