Smoothness & Air permeability of paper
![Bekk Smoothness Tester 2](https://www.rycobel.com/assets/uploads/site/products/bekk-mesure-de-lissé/_767xAUTO_fit_center-center_80_none/Bekk-Smoothness-tester_2.png)
Rycolab Bekk smoothness tester for paper & board
Application: paper & pulp, cardboard
![Gurley Smoothness](https://www.rycobel.com/assets/uploads/site/products/automatisches-glätte-und-luftdurchlässigkeitsprüfgerät/_767xAUTO_fit_center-center_80_none/GurleySmoothness.png)
Automatic Densometer & Smoothness Tester - Gurley model 4340
Application: paper & pulp
Property: air permeability
![Bendsten 2](https://www.rycobel.com/assets/uploads/site/products/bendtsen-rauigkeit-und-porositaet-tester/_767xAUTO_fit_center-center_80_none/Bendsten_2_2021-11-17-095827_pexl.png)
Rycolab Bendtsen Roughness and Air Permeability Tester
Application: paper & pulp
Property: air permeability
![Gurley Standard Pressure Densometer](https://www.rycobel.com/assets/uploads/site/products/standard-gurley-luftdurchlässigkeitstester-densometer/_767xAUTO_fit_center-center_80_none/Gurley_Standard_Pressure_Densometer.jpg)
Gurley Standard and Low Pressure Manual Densometers
Application: paper & pulp, textile
Property: air permeability
![Gurley Densometer Highpressure](https://www.rycobel.com/assets/uploads/site/products/hogedrukdensometer/_767xAUTO_fit_center-center_80_none/GurleyDensometer_Highpressure.png)
High pressure densometer
Application: paper & pulp
Property: air permeability