Paper COBB Absorption Tester is mainly used for determination of sized paper and cardboard including surface water imbibition of the corrugated cardboard. The instrument is determination of absorbent paper and cardboard surface, but is not suitable for accurate evaluation of paper or paperboard writing performance
Metal cylinder Inner section Area 100 ± 0.2 cm^2 (inner diameter is 112.8±0.2mm )
Cylinder height 50 mm
Quantitive Absorption Paper 200~250 g/m^2
Absorption Rate 75 mm/10 min
Smooth Metal Roller Width: 200 ± 0.5 mm; Weight: 10 ± 0.5 Kg
Environmental Conditions Temperature: 20~40°c;
Relative Humidity: < 85%
Outside dimension(L×W×H) 510×400×365 mm
Weight 30 Kg
Testing Standards
ISO 535
