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Cobb Sizing Tester 3 Ring Set: Manual clamping system with three ring sizes (100/50/25 cm2) and corresponding gaskets
Water absorptiveness (Cobb value) is the mass of water absorbed in a specific time by a 1 sq. meter sample of paper, board or corrugated under conditions specified in standards such as TAPPI T 441. Cobb sizing testers provide a simple, standardized method for fast determination of the quantity of water absorbed by a paper or board in a given time.