L&W 146 Cobb Sizing Tester
Water absorptiveness/Cobb value, according to ISO 535:
The calculated mass of water absorbed in a specified time by 1 m² of paper or board under specified conditions. The test area is normally 100 cm² (ISO 535).
Technical specifications – L&W Cobb Sizing Tester, code 146
> Inclusive Couch roll
Instrument
> Test area 100 cm²
> Level indication Indication for 100 ml on the inside of the cylinder
> Dimension cylinder Diameter 200 mm, height 200 mm (7,9 × 7,9 in)
> Dimension couch roll Diameter 88 mm (3.6 in), width 210 mm (8,3 in), weight 10 ± 0,5 kg
Results
> Measurement values- water absorptiveness (Cobb value)
Option
> Version for corrugated board Maximum thickness of corrugated board is 15 mm. Equipped with rubber gasket at the bottom of the cylinder.
> Dimensions 0.3 × 0.3 × 0.5 m, 12 × 12 × 20 in, Volume 0.05 m³, 1.8 ft³
> Net weight 13 kg 29 lb, Gross weight 18 kg 40 lb
Applicable standards
> APPITA/AS 1301.411, CPPA F.2, DIN 53132, FEFCO No 7, ISO 535, SCAN P 12, TAPPI T 441, EN 20535
Related standards
> SCAN P 18, TAPPI T 458
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