YINUO YN-COB100 COB absorptivity Tester paper surface absorption weight Tester COBB method 100cm ²
SE
(122.718±0.2)cm²(100±0.2)cm²
Paper and Cardboard surface water-absorption test of conventional equipment, test area (100 +/- 0.2) cm ², test area (122.718 +/- 0.2) cm ², liquid height 10mm, test water consumption 100ml +/- 5ml, roller length 200 +/- 0.5mm, roller mass 10 +/- 0.5kg.
