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.
|Product Code & Name||UEC-1013 Smoothness & Porosity Tester (Bendtsen Type)|
|Equipment Category||Physical Property Testing Equipments|
|Dimension||70 x 44 x 70 cm.|
|Applicable Standards||SCAN P 21, P 60, BS 4420, TAPPI UM 535, ISO 2494, 5636/3, APPITA/AS 1301.440 DIN 53120|
|Testing Applications||Newsprint (Roughness Smoothness)
Writing Printing/copier Paper (Roughness Smoothness)
Duplex And Art Paper (Roughness Smoothness)
Corrugated Fibre Board Box Board (Softness)
Tissue & Soft Material (Softness)
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