air permeability

air permeability

[¦er ‚pər·mē·ə′bil·ə·dē]
(textiles)
The quality of porosity of a fabric; indicates the wind resistance, and therefore warmth or coolness, of the fabric.
References in periodicals archive ?
The barrier properties such as hydrohead and air permeability of the fabric will surpass the current industry standards.
For the determination of intrinsic air permeability values of hardened mortars, an air permeability cell as proposed by Cabrera and Lynsdale [5] was used.
Important properties that control aerosol filtration such as basis weight, thickness, fiber diameter and distribution, solidity, and air permeability were measured.
Air permeability and roughness increase while stiffness, bursting strength and tensile elongation decrease (Tables 4-6).
The TPT (Torrent Permeability Test) method evaluates the air permeability of concrete by reducing the vacuum (Romer 2005), the GWT (German Water Test) method measures the pressure water permeability and the ISAT (Initial Surface Absorption Test) method measures the initial surface absorption.
Improving anode baked density and air permeability through process optimization and coke blending
yard and touts outstanding moisture wicking and air permeability characteristics.
sat]); and the last set of four samples to determine the air permeability ([k.
Limited Tenders are invited for Digital Vibrating Machine And Automatic Blaine Air Permeability Apparatus
In order to optimize material properties, the teXcal Trike achieves absolute flatness, air permeability and defined thickness profiles.
Essentially identical results were observed for aged air permeability (table 4).
Over the last several years, new profiling and measurement equipment have improved the precision and accuracy of caliper, mass, and air permeability in samples many meters wide or long.