Subheading 4805.12 covers paper, in rolls, made mainly of straw pulp obtained by a semi-chemical process, weighing 130 g/m2 or more, and having a CMT 30 (Corrugated Medium Test with 30 minutes of conditioning) crush resistance exceeding 1.4 newtons/g/m2 at 50 % relative humidity, at 23 °C.
