[Scope of Application]
This machine adopts the Gellai method for measurement, suitable for measuring the average air flow rate per unit area of paper or cardboard, textiles, non-woven fabrics, plastic films and other products in the papermaking industry, at unit time and unit pressure difference.
[Compliant with standards]
GB/T 5402-2003 Paper and Board-Determination of Air Permeability (Medium Range) Gellai Method
ISO5636-5-2013 Paper and Board-Determination of Air Permeability and Air Resistance (Medium Range) - Part 5: Gellai Method