Water absorptiveness (Cobb value) is the mass of water absorbed in a specific time by a 1 sq. meter sample of paper, board or corrugated under conditions specified in standards such as TAPPI T 441. Cobb sizing testers provide a simple, standardized method for fast determination of the quantity of water absorbed by a paper or board in a given time.
APPLICATIONS : Paper, board, corrugated.
FEATURES :
- Single-handed automatic clamping and release.
- Manual clamping and sample positioning.
FEATURES :
ISO 535, DIN EN 20 535, TAPPI T 441 and T 2045.
ORDERING INFORMATION AUTOMATIC CLAMPING :
| Used for | Description |
| Paper | Cobb Size Tester for Paper, with automatic clamping and release. Area within cylinder 100 square centimeters. |
| Board | Cobb Sizing Tester for Corrugated feature a single handed automatic clamping and release system for ease use. An increased thickness rubber gasket is supplied. |
MANUAL CLAMPING :
| Size(s) | Description |
| 100 sq. cm | Cobb Sizing Tester with 100 sq. cm. cylinder and gasket. Per TAPPI T 441. |
| 10, 25, 100 sq. cm | Cobb Sizing Tester. Includes 100, 25, and 10 square centimeter cylinders and gaskets. Meets T 441 and T 2045. |
| 10, 25, 100 sq. cm | Cobb Sizing Tester. Includes 100, 25, and 10 square centimeter cylinders, gaskets, 10 kg Roller and 300 Sheets Blotting Paper. Meets T 441 and T 2045. |
REQUIRED ACCESSORIES :
| Description | |
| Stainless Steel Hand Roll | Hand Roll -Couch Roller for Cobb Sizing tester. Weight of roller complies with TAPPI standard specications, 10kg. +/-.5 kg.) |
| Blotting Paper | 203 x 203 mm (8″ X 8″), Package of 100 sheets. |
INSTRUMENT SIZE : MANUAL CLAMPING
Dimensions: 140 x 140 x 80 mm
D x W x H (5.5 x 5.5 x 3 in.)
Automatic Clamping
Dimensions: 200 x 200 x 180 mm D x W x H (8 x 8 x 7 in.)