Water Absorption tester for Paper and Board ( Cobb method)

Product Description

Water Absorption tester for Paper and Board
( Cobb method)

Water Absorption tester for Paper and Board ( Cobb method)

Application

Cobb water absorption test is used to test water absorption function of paper or board, just that water-resistance of paper. It is used to make sure that the effect of gluing is whether in a good situation .

Standard

GB/T1540、ISO 535 、QB/T1668

Parameter (Cobb method )

Testing area：100cm2±0.2cm2

Water amount：100ml±5ml

Length of pressure roll：200mm±0.5mm

Weight of roll：10kg±0.5kg

Dimension: 396*315*300mm

Weight：about 28kg。

Working environment：temperature（20±10）℃，moisture＜85%

Parameter

Sample diameter: φ125mm

Sample size erro：±0.2mm

Thickness：（0.1～2.0）mm

Environment：20～40℃,＜85％

Dimension：250 X 280 X 450 mm

Weight：25 kg

Parameter ( Klemm method )

Measuring range：（0~200）mm

Dvision value：1mm

Standard absorption time：10 min 士10s

Sample Thickness：≤1.5mm

Testing number：5 set

Dimension：400mm*210mm*355mm

Weight：15kg