Cobb Tester

Absorbency Testing Device SFT 03t

The absorbency-testing device is used for determining the absorption of liquid mediums, such as water, aqueous solutions, oils, varnishes and others, by paper, cardboard and corrugated cardboard from the top and bottom sides within a predetermined time.



  • clean and quick handling, no leakage
  • quick and easy positioning of sample with help of container lock
  • lock device adjustable to test paper and cardboard with a different thickness
  • very precise time measurements because of automated integrated stopwatch,(enable very short time measurements)
  • pre-set time selection of three different time periods


The SFT 03t model is used for the determation of water absorption according to COBB DIN EN 20 535, ISO 535 & TAPPI T441 standard.