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.
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.
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.
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.
It can quickly and accurately cut the standard sample with a diaMeter of 125mm, and the sampling thickness range is 0.1-0. It is suitable for the determination of paper Water Absorbency and is a special tool for the preparation of laboratory standard samples.
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.
Sampling size Φ 125mm error +/- 0.2mm, thickness range 0.1~ 2.0mm, suitable for paper Cardboard surface water absorption weight detection, easy operation and high accuracy.
Sampling accuracy of +/- 0.2mm, can handle 0.1-1 film thickness samples, equipped with upper and lower knife design to ensure that the incision is neat and not fluffy, and supports multi-layer punching operation.
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.
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.
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.
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.
Simultaneous sampling ECT (100 * 25) mm and PAT (80 * 25) mm two sizes, sampling error +/- 0.5mm, thickness range ≤ 10mm, easy to operate.
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.
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.
