Explanatory notes
… than 60 % , and a burst index equal to or less than 2.5 kPa m2/g; or (e) containing 3 % ash or less, … of 60 % or more and a burst index equal to or less than 2.5 kPa m2/g. (B) For paper or paperboard weighing … weight. Weight g/m 2 Minimum Mullen bursting strength kPa 115 393 125 417 200 637 300 824 400 961 2.‑ For the …Legal note
… than 60 % , and a burst index equal to or less than 2.5 kPa m2/g; or (e) containing 3 % ash or less, … of 60 % or more and a burst index equal to or less than 2.5 kPa m2/g. (B) For paper or paperboard weighing … weight. Weight g/m 2 Minimum Mullen bursting strength kPa 115 393 125 417 200 637 300 824 400 961 2.‑ For the …