The COBB Tester or Cobb Sizing Tester determines the water absorption quality of paper test samples. It is a Water Absorption Tester. Such as paper and board, including corrugated fiberboard. The test includes recording the quantity of water absorbed by specimen. After exposing it to water for a specific period of time. That too under standard conditions. The water absorption is a very important and useful parameter in the specification of paper and board for use in the packing and printing industries. It also corresponds to ISO 535, TAPPI T-441 and NM - ISO 535 standards.
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