Bull. Spec. CORESTA Symposium, Taormina, 1986, p. 97, T04, ISSN.0525-6240

Measurement of the air permeability of paper. Definitions, methods of measurement and instrumentation

ALLMAN D.R.
Filtrona Instruments & Automation Ltd, Milton Keynes, UK
1. Variation of pressure drop with air flow velocity using serial and parallel measurements. 2. Units of measurement. 3. Instrumentation _ methods of measurement. 4. Flow characteristics, definitions, etc. 5. Examples of Filtrona, Coresta and other measurements.