This International Standard defines commercially dry corkwood in planks, determines its grading in terms of the thickness of the planks, and specifies its classification and packing.
ISO 1216:1998 history
2017ISO 1216:2017 Boiled reproduction cork - Grading, classification and packing
1998ISO 1216:1998 Corkwood in planks - Grading, classification and packing
1990ISO 1216:1990 Corkwood in planks — Grading, classification and packing
1979ISO 1216:1979 Commercially dry corkwood in planks — Definitions, classification and packaging