Paper water absorbency cobb tester

Paper water absorbency cobb tester

It is designed according to GB/T 1540-2002 Paper and board-Determination of water absorption-Cobb method ( equal to ISO 535-1991), which is used to test the absorbency of paper and cardboard, but not applied to evaluate the writing capability of paper and cardboard.

Technical parameters:

1. metal cylinder inside area: 100±0.2cm², height: 50mm, keep the touching part smooth between cylinder ring part and specimen

2. absorbency paper: 200~250g/m², absorbency speed: 75mm/10min

3. smooth metal roller: width:200±0.5mm, weight:10±0.5kg

Dimension and weight:

Dimension of item1: 390×280×410 (mm), weight: 20kg

Dimension of itemII: 315×280×110 (mm), weight: 25kg