COBB Tester
COBB Tester with Stain Less steel cylinder
Determines water penetration in grams absorbed by surface of 100cm2 of the specimen area.
Cylinder one side closed with tilting system provided for easy removal of excess water.
Screw drive system for clamping and removal of specimen.
For paper water level 10 mm for one minute.
For CFB water level 25 mm 30 minutes.
For bitumen water proof paper water level 100 mm for 18 hours
- IS:1060 (Part I)-1996
- Astm D-3285-93,Tappi :T 441OM-98
- Fefco: Tm 7 1997
- Tappi: T441 Om-98
COBB Tester