Cobb Sizing Tester

The Cobb absorption tester measures the water absorption height of a sample after it comes into contact with water for a fixed period, reflecting the material's water absorption performance. It is used to test the water absorption capacity of materials such as paper and paperboard, guiding quality control for products like packaging materials and printing paper.
Selection
When selecting, consider compliance with testing standards, and confirm that the measurement range and accuracy meet the requirements for material types. Pay attention to the corrosion resistance of the instrument's materials and the simplicity of the operation interface. Compare the maintenance costs and availability of accessories across different models to ensure compatibility with existing laboratory processes.
Detection method

Terms

Standards

Instruments

The inner section area of the metal cylinder is 100 +/- 0.2cm ², and the test water consumption is 100mm +/- 5ml. It is suitable for the determination of Water Absorbency on the surface of sizing paper and Cardboard. The operation is simple and the results are accurate.

$ 551.00

Using the Cobb test method, the test area is 100cm ² +/- 0.2, and the pressure roller mass is 10kg +/- 0.5, which is suitable for the detection of Water Absorbency on the surface of sizing paper and Cardboard, and is not suitable for loose or unsizing paper.

$ 848.00

Surface Water Absorbency was measured by Cobb test method, test area 100cm ² accuracy +/- 0.2cm ², liquid height 10mm, pressure roller mass 10kg to ensure uniform pressure, Cup body 316 stainless steel corrosion resistance.

$ 624.00

Test area of 100cm ², cylinder height of 50mm, can accurately determine the unit area of paper and Cardboard in the specified time surface absorption of water, using the Cobb test method for surface Water Absorbency test.

$ 451.00

The surface water absorption of paper and Cardboard was measured by Cobb test method, the test area was 100 +/- 0.2cm ², and the mass of the pressing roller was 10 +/- 0.5kg. The water absorption value of Cobb can be accurately calculated.

$ 493.00

The Water Absorbency of paper surface was measured by Cobb test method, the test area was 100cm ², the cylinder height was 50mm, the absorbent paper Basis Weight was 200~ 250g/m2, and the pressure roller mass was 10kg to ensure the accuracy of the test.

$ 648.00

The Cobb test method is used to determine the water absorption value per unit area, the test area is 100cm ², the cylinder height is 50mm, and it is equipped with Basis Weight 200-250g/m2 absorbent paper, which meets the requirements of ISO535 and GB/T1540 standards.

$ 440.00

The three-point positioning guide structure and pure copper wear-resistant sleeve are used to ensure coaxial concentric accuracy; the service life of the special treatment die blade is up to 10 years; the sampling thickness range is 0.1~ 1.5mm, which meets the needs of various paper testing.

$ 624.00

The Cobb test method was used to measure the water absorption per unit area, the cross-sectional area of the cylinder was 100 +/- 0.2cm ², and the Basis Weight of the absorbent paper was 200~ 250g/m2, which was suitable for the determination of the surface absorption weight of paper and Cardboard.

$ 438.00

The test area is 100cm ² and the press roller mass is 10kg, which can accurately determine the Water Absorbency of the paper surface, and is suitable for the quality control and detection and analysis of the adhesive paper.

$ 554.00

High Accuracy coaxial concentric structure is realized by three-point positioning method, the sampling error is +/- 0.2mm. The blade can be used for a long time after special treatment, and is suitable for materials with thickness of 0.1~ 1.5mm.

$ 848.00

The three-point positioning method was used to control the sampling accuracy. The test area was 100cm ² +/- 0.2, and the sampling thickness ranged from 0.1 to 1.5mm. Stability was ensured by high-precision wire cutting blades and pure copper wear-resistant structures.

$ 848.00

The equipment adopts white water circulation system, equipped with electric sizing and aeRodynamic bubble homogenizing functions, the diaMeter of the extraction cylinder is 200mm and the capacity is 8 liters. It supports external vacuum suction, and the volume is small and easy to move.

$ 1493.00

The stamping sampling structure is simple and firm, the knife edge is quenched, the sampling is labor-saving and accurate without burrs, the sampling thickness range is 0.1~ 1.0mm, and the sampling size error is 125mm +/- 0.2mm.

$ 401.00

Test area of 100cm ², press roller mass 10kg, can accurately determine the surface of the paper liquid absorption mass, in line with international standards.

$ 533.00

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