Paper - Cobb

Article Index

 

COBB MESURE DU COLLAGE

code NV 100
ISO 535, TAPPI T441, SCAN P12, EN 20535, DIN 53 132

 

FOR DETERMINING THE WATER ABSORBANCE OF PAPER OR BOARD

 Automatic model

DESCRIPTION

The Cobb method application requires :
1. Apparatus built with rigid cylinder, lower section is 100 +/- 0.2 cm², weight about 5 cm with automatic clamping.
2. Reference NVR : roller in polish metal, 200 mm length, with 90 mm diameter +/- 10 mm and weight is 10 kg +/- 0.5 kg.
3. Reference NVB : blotting paper with basis weight equal at 250 g/m² +/- 25 g/m². Applicable standard ISO 5269-1
4. Basis weight with accuracy at 1 mg
5. Chronometer to read time in second until 30 minutes 

 

Mannual model