BS ISO 13821:2020 pdf free.Corrugated fibreboard - Determination of edgewise crush resistance一Waxed edge method. The specimens, taken in accordance with ISO 186, shall permit the preparation of test pieces free from converting machine marks. If the test specimens are to be taken from corrugated shipping containers, they should be taken from areas away from score lines, joints, and closures. Specimens...
BS pdf free download