YINUO YN-COB125 Cobb water-absorption Sampler sampling size: φ 125mm Stamping type
Used to detect the water-absorption energy of paper and Cardboard surface, that is, the water resistance performance of paper and Cardboard. Sampling size φ 125mm, sampling size error +/- 0.2mm, sampling thickness range 0.1~ 1.5mm
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use
Cobb Water Absorption Tester (Cobb Absorption Tester) is used to test the water absorption performance of paper and paperboard surface, that is, the water resistance of paper and paperboard. It is mainly used to determine whether the sizing effect of the paper has reached the satisfactory state required by the customer.
Standards
GB/T1540, ISO 535, QB/T1668
YiNuo YN-COB125 Cobb water-absorption SamplerSpecifications
| LIST | VALUE |
|---|---|
| Sampling size | Ø125mm |
| Blade | Special treatment of mold blades, non-special high-strength materials or man-made damage, no need to replace the blades for 10 years |
| Blade processing technology | Wandu high-precision wire cutting, triple high temperature quenching, triple fine grinding |
| Sampling size error | ±0.2mm |
| Film thickness sampling range | 0.1~1.5mm |
| Blade bite control | Using three-point positioning method, high Accuracy coaxial concentric process |
| Coaxial concentric structure | Three-point guide rail positioning structure, using pure copper wear-resistant copper sleeve |
| Dimensions | 250*280*450mm |
| Weight | Approx. 20 kg |
| Sampling area | Standard test area 100cm2 +/- 0.2cm2 |
| Sampling area | Standard test specimen safety area 122.718 +/- 0.2cm2 |
| Liquid height | 10mm |
| water consumption | Test standard water consumption 100ml +/- 5ml |
| Roller length | Residual moisture removal standard pressure roller 200mm +/- 0.5mm |
| Roller Mass | Standard roller Weight 10kg +/- 0.5kg, foreign standard or special paper can be customized according to requirements |
| Cup material | The whole cup body is made of 304 #stainless steel. |
| Cup lid material | Mg aluminum material, fully enclosed anode hardening process, strong acid and alkali resistance |
| Absorbent paper quantitative | Quantification in the range of 200~250g/m ² |
| Capillary height | Capillary water absorption height greater than 75mm/10min |
| Sealing ring material | Pure silicone sealing ring |
| Cup lid knob cover material | Pure copper material, high-strength wear-resistant process production |
| Cup swirl/spin position | Pure copper material, with wear resistance performance |
| Dimensions | 396*315*300mm |
YiNuo YN-COB125 Cobb water-absorption Sampler Packing list
host X1, manual X1, certificate X1, warranty card X1
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.
FAQ
- Cobb Water Absorbency Tester Type, Principle, Application and Selection Guide
- Sample collection and temperature and humidity pretreatment methods for paper and cardboard
- What properties should be tested for color offset printing paper? What are the specific requirements?
- Common tests for corrugated box production
- Principle and operation method of paper standard quantitative sampler
- How to perform COBB testing on non-absorbent paper and cardboard?


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