The instrument is designed according to GB/T1540-1989, ISO535 (Cobb paper and cardboard absorbency method), which is used to test the absorbency of paper and cardboard, but not applied to valuate 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: 390×280×410 (mm), weight: 20kg