Cobb sizing tester is used for fast determination of the quantity of water absorbed by a paper or board in a given time. The Water absorptiveness (Cobb value) of a substance is defined as the mass of water absorbed in a specific time by a 1 sq. meter sample of paper, board or corrugated board, under standardized conditions.
Cobb Tester measures the amount of liquid penetration into a sheet of Paper, Cardboard or Corrugated Board. The Cobb sizing Tester consists of a cylindrical container clamped to a flat base with a flexible backing onto which the sample is placed. Cobb sizing tester provides a simple, standardized method for fast determination of the quantity of water absorbed by a paper or board at a given time.
Specification
| 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 | Ø125mm |
| Sampling error | ±0.2mm |
| Sampling Thickness | （0.1～2.0）mm |
| Dimension | (250*280*450) mm LWH |
Features
- High: Grade stainless steel test area
- Rugged structure with corrosion resistant main body
- Lightweight and resilient
- Fast Locking Mechanism
- Single handed High-Quality hassle free operation
- Highly accurate test results
- Standards: TAPPI –T441
The equipment finds wide usage and is commonly used to evaluate the water absorptiveness (Cobb value) of sheets of Paper & Packaging, Cardboard or Corrugated
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