Determines water absorption/penetration (cobb value) which is the quantity of water in mgs absorbed by surface of 100 cm2 of the specimen on one side only in a specified time under a specified head of water.
|Specimen||Water Head Mark||Time of Test|
|Paper||10 mm||1 minute|
|CFB||25 mm||30 minutes|
|Bitumen Waterproof Paper||100 mm||18 hours|
Suitable for Testing as per following Standards
IS: 1060 (Part I) – 1996
ASTM: D 3285 – 93
TAPPI: T 441 om-98
FEFCO: TM 7 1997
- Provided with tilting arrangement to remove water automatically.
- Height marks provided for maintaining correct water head.
- Dimensions in mm L x W x H 350 x 320 x 170
- Weight in kg 25
- Roller Weight in kg 10
- Cylinder Corrison Resitant Cylinder