TAPPI-UM 256 Standard Test for Water Retention Value (WRV)

EUROLAB, with its state-of-the-art accredited laboratories and expert team, offers precise and rapid testing services within the scope of the TAPPI-UM 256 test. The water retention value is a measure of the water retained by a wet dough sample after centrifugation under standard conditions.

The water retention value can be a useful tool in evaluating the performance of pulp based on its dewatering behavior in the paper machine. The usefulness of the method in a particular application may vary depending on stock type, additives, machine configuration and other factors. The method was created to provide standard values ​​of centrifugal force, centrifugation time, and sample preparation so that results can be compared at standard values ​​between researchers.

Water Retention Value is a very important parameter in the pulp and paper industry as it measures the ability of pulp or paper to retain water, which can be important for various processing and performance properties.

Water Retention Value (WRV) is a measure of how much water a pulp or paper sample can retain after immersion and draining. This is an important property because it can affect various aspects of paper performance, such as printability, ink retention, and the behavior of the paper in printing, coating, and converting processes.

EUROLAB helps manufacturers with TAPPI-UM 256 test compliance. With our professional working mission and principles, our testing experts offer 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.