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I-42A, DLF Industrial Area, Phase-1, Delhi Mathura Road
Faridabad, Haryana-121003, India+(91)-129-4272767
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COBB Water Absorption Tester

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Cobb Water Absorption Tester is widely used in paper manufacturing industries to determine the water penetration strength of paper or related materials in a given period of time. The Cobb value or water absorptiveness strength of the material is expressed as water absorbed by a 1 square meter of a paper or paperboard in a specific amount of time under standardized test conditions.

Cobb Tester measures the amount of liquid that penetrates into a sheet of cardboard, paper, and paperboard. The instrument comprises a cylindrical container which is clamped on a flat rubber base on which sample is placed. After placing the sample, the cylinder is tightly clamped, and water is poured into the cylinder and left for a period of time. It is ahighly standardized method which is utilized to ensure the quality of the materials and to determine the durability of paper under wet working conditions.


· Sample Diameter – 112 mm

· Depth of Cylinder – 60mm

· Diameter of rubber pad – 145mm

· Water level indicator (inside the cylinder) – 10mm and 25mm.

· Roller Weight – 10 Kg


· High-Grade Stainless Steel Test Area

· Lightweight Testing Machin with Resilient Design

· Rugged Structure duly powder coated that ensures corrosion resistance finish.

· Manually operated with fast locking mechanism.

· Hassle Free Operation

· Offers accurate test results.

Related Standards:

IS 1060, TAPPI –T441


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