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.
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.
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.
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.
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.
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.
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.
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.
Vacuum principle measurement paper breathability performance, Measurement range 0-1000ml/min, test area of 10cm ², suitable for a variety of industrial paper mass detection.
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.
Using 100cm ² standard test area and 100ml test water, equipped with 10kg pressure roller to ensure uniform pressure of the sample, can accurately measure the liquid absorption in different time periods from 30s to 1800s, to meet a variety of test needs.
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.
Adopt 45 °/0 ° lighting mode, measurement diaMeter Φ 10mm, Repeatability Standard Deviation is within ≤ E * ab 0.5, support a variety of Color space display and statistical functions, automatic memory 99 sets of data.
Equipped with 8 Measurement Angles and 6 light sources, the measurement of flicker, color flash and granularity, Color Repeatability up to 0.03Delta E * ab, high surface Measurement accuracy, suitable for special finish characterization.
Fully automatic one-click measurement of a variety of whiteness paraMeters, support chromaticity coordinates ≤ 0.001 High Accuracy, built-in thermal printer and RS232 interface, suitable for powder, paper and other samples.
