SMOOTHNESS & POROSITY TESTER (BENDTSEN TYPE)
Equipment Category: Physical Property Testing Equipments

SMOOTHNESS & POROSITY TESTER (BENDTSEN TYPE)

The Roughness of paper or similar material is defined as the volume of air that is forced by a specified pressure difference escapes in unit time by passing between the surface of the specimen and flat metal ring resting on a specimen. The values indicates the surface smoothness of graded paper suitable for good print quality. 

A sample is placed on a perfect plane glass plate, measuring head on the test piece and a controlled and low air pressure pass through a flat metal ring and the specimen.

The pressure difference read off/on selected rota meter tube.

Measuring range: 5-150 ml/min. 50-500 ml/min., 300-3000 ml/min.

http://www.uecin.com/product/smoothness-porosity-tester-bendtsen-type-physical-property-testing-equipments

YOUR REACTION?