Test method Brightness (iso)*% avg iso 3668/247088.00 Minimum (+/-0.5) Viscosity (0.5% ced)*, mpastappi t23018.0 Dirt mm2/m2 tappi t2132.0 Dry zero span tensile iso 1536113.7 (3000 pfi revs), km Moisture content*, % iso 638 Chemical properties Dcm extractives, % tappi t2040.1 Ash content (525 c), % iso 17620.2 Fiber analysis (op test fqa) Average length (lwafl), mmiso 16065-10.66 Coarseness, mg/100m iso 223713 8.6 Population, million fibres/giso 16065-1 26.4 Wood species 100% northern hardwood Primarily maple, birch, beech and aspen. Sheets, bales