61-04 Cobb Sizing Testers

Cobb Sizing Testers photo.

INTRODUCTION

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
Cobb Sizing Testers photo 2.

INSTRUMENT SIZE

  Manual Clamping
  Depth:   140 mm (5.5 in.)
  Height:   80 mm (3.0 in.)
  Width:   140 mm (5.5 in.)
  Weight   2 kg (4.4 lb.)
  Automatic Clamping
  Depth:   200 mm (8.0 in.)
  Height:   180 mm (7.0 in.)
  Width:   200 mm (7 in.)
  Weight   2 kg (4.4 lb.)

CONNECTIONS

None

ORDERING INFORMATION

Automatic Clamping  
Used for Description Catalog Number
Paper Cobb Size Tester for Paper, with automatic clamping and release. Area within cylinder 100 square centimeters. 61-05-00-0002
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.
60-05-00-0001
Manual Clamping  
Size(s) Description Catalog Number
100 sq. cm. Cobb Sizing Tester with 100 sq. cm. cylinder and gasket. Per TAPPI T 441 61-04-00-0002
10, 25, 100 sq. cm Cobb Sizing Tester. Includes 100, 25, and 10 square centimeter cylinders and gaskets. Meets T 441 and T 2045 61-04-00-0001
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 61-04-00-0003
Required Accessories  
  Description Catalog Number
Stainless Steel
Hand Roll
Hand Roll -Couch Roller for Cobb Sizing tester. Weight of roller complies with TAPPI standard specifications, 10kg. +/-.5 kg.) 61-04-01
61-04-04
Blotting Paper 203 x 203 mm (8” X 8”), Package of 1200 sheets. 61-04-05

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