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About This Item

 

Full Description

This document specifies a method of measuring the air permeability and the porosity of a packed bed of metal powder, and of deriving therefrom the value of the envelope-specific surface area. The permeability is determined under steady-state flow conditions, using a laminar flow of air at a pressure near atmospheric. This document does not include the measurement of permeability by a constant volume method.

Cross References:
ISO 3954
ASTM Standard C721
ASTM Standard B330
ASTM Standard E2980
ISO 3252


All current amendments available at time of purchase are included with the purchase of this document.