Basically Cobb Tester consists of a support frame and a metallic cylinder about 5 cm high with an internal cross section of 100.00 cm2 (11.29 cm internal diameter). Clamping System : The cylinder is clamped by spring loaded upper plate lined with rubber mat...
This innovative principle offers a completely new opportunity to characterise and understand the phenomena of dynamic water absorption. Here the water uptake is continuously monitored across a full 100 cm² area of sized paper or board as a function of time. Apart from the total...
Sizing Tester For Paper (COBB Tester) -The amount of water absorbed by any paper is dependent on various characteristics such as its sizing and porosity etc. The sizing of paper can be determined by conducting a water absorption test with the help...
Water Absorptiveness also known as the Cobb Value is the function or method to determine the characteristics of paper, paperboard & corrugated boards including the porosity, sizing, and fiber compositions. This process is performed on various sheets or non-bibulous i.e. highly...
Presto’s Cobb sizing tester is designed and manufactured for quickly determining the quantity of water absorbed by a paper or cardboard in a specific time period. The Cobb value of a substance means the quantity of water absorbed in a given time by a 1 square meter sample of...
The water absorption strength is one the major property of the packaging products as the packaging containers has to face a lot of moist conditions at the time of warehousing, storage or during transit....
Purpose of list Water absorptiveness of paper board or other materials is a function of various characteristics such as sizing, porosity, etc. The Gurley-Cobb sizing test can be used to test absorption or resistance to absorption of water, oil and...
Cobb sizing tester is used for fast determination of the quantity of water absorbed by a paper or board in a given time. The Water absorptiveness (Cobb value) of a substance is defined as the mass of water absorbed in a specific time by a 1 sq....
Presto's Cobb Test for Corrugated Board is used for quick assessment of the quantity of water absorbed by a corrugated board, paperboard or paper in a given period of time. The water absorptiveness or Cobb value of a substance is defined as the mass...