TAPPI T-441 Sized (Non-Bibulous) Paper - Water Absorption of Paperboard and Corrugated Board (Cobb Test) Test

EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of TAPPI T-441 testing. The TAPPI T-441 Cobb Test describes a procedure for determining the amount of water absorbed by non-porous paper, paperboard, and corrugated board over a specified period of time under standardized conditions. Based on work by Cobb and Lowe, Cobb and other researchers.

Water absorbency, sizing, porosity etc. It is a function of various properties of paper or cardboard, such as This method is generally applicable to sized paper, paperboard, and corrugated board, but is not recommended as a sizing test for bond paper.

While the Cobb absorption property is generally considered a bulk property, some materials may have different absorption properties from either side (felt or wire). Sample enough material so that a full test can be performed on one or both sides of the paper to be evaluated. Samples tested on one side cannot be reused for evaluation of properties on the other side.

EUROLAB assists manufacturers with TAPPI T-441 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.