BS 5669-4 1989 Edition, August 31, 1989
Particleboard Part 4: Specification for Cement Bonded Particleboard
Includes all amendments and changes through Amendment 1, July 15, 1993
Additional Comments: W/D S/S BY BS EN 1328 & BS EN 634-2
Published By:British Standards Institution (BSI)
Two types from 6 mm-40 mm thickness. Permitted tolerances on board sizes, mean quality levels and marking.