Paper Testing Instruments

Offering a broad selection of paper testing instruments, Valtec supports detailed quality analysis.

Cobb Tester

Function of Machine

This machine is a special instrument to test the hydro opacity of cardboard.

Item

VK-A509-1 &VK-A518-1/VK-G819

Metal cylinder cross-sectional area

100±0.2 cm2

Cylinder High

50mm

Quantitative absorbent paper

200-250g/m2

Absorption rate

75mm/10min

Smooth metal rollers

width, 200±0.5mm; weight: 10±0.5kg

Sampling area for cutter

100cm2

Sample thickness for cutter

0.1~1.5 mm

Balance Precision

0.001