- Cell Instruments
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Ji'nan, Shandong, China
- Main products: Heat Seal Tester, Film Free Shrink Tester, Coefficient of Friction Tester
Home > Products > Paper and Board Test > COBB Tester for the water absorption of paper and paperboard
COBB Tester for the water absorption of paper and paperboard
- Qingdao, Shanghai
- T/T L/C D/P D/A Cash Other
- 7 days
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Product Details
| Brand Name | Cell Instruments | Place of Origin | China | |
| Model Number | COBB-01 | Power | Electronic | |
| Usage | Paper Testing Instrument |
Product Description
COBB-01 COBB Tester
Application
COBB-01 COBB Tester is used for assessing the water absorption of paper and paperboard through the Cobb method. It proves effective in sizing paper and determining water absorption on cardboard surfaces, but it is not recommended for use on basic paper or embossed paper with a basis weight below 50g/m2, having low sizing degree, or exhibiting numerous pinholes. Additionally, it is not suitable for assessing unsized paper and cardboard accurately, nor does it provide an accurate evaluation of the writing performance of paper or cardboard.
The Cobb tester evaluates the water absorption capability of paper or cardboard surfaces. The Cobb value represents, under specific conditions and within a specified timeframe, the mass of water absorbed by the carton board surface per unit area, expressed in grams per square meter (g/m2).
COBB Value
Cobb value is the calculated mass of water absorbed in a specified time by 1 m2 of paper or board under specified conditions
Benefits
● Stainless steel made
● Standard conformed metal roller
Standards
GB/T1540, ISO 535, QB/T1668, TAPPI T441
Main Parameters
| COBB-01 | |
| Test Area | 100±0.2cm2 |
| Water Consumption | 100±5ml |
| Metal Roller Width | 200±0.5mm |
| Metal Roller Weight | 10±0.5kg |
| Dimension | （396*315*300）mm LWH |
| COBB Sample Cutter | |
| Sampling Diameter | ?125mm |
| Sampling error | ±0.2mm |
| Sampling Thickness | （0.1～2.0）mm |
| Dimension | (250*280*450) mm LWH |
Contact Us
- Cell Instruments
- Contact namecellins01 Chat Now
- Phone86-185-60013985
- AddressShizhong, Ji'nan, Shandong
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