Aerospace series. Extruded section in aluminium alloys. General tolerances

BS EN 60318-1 on the ear simulator for the measurement of supra-aural and circumaural earphones is useful for:

you can demonstrate the reliability of your bonding straps and build trust in their use throughout the aerospace supply chain

mass per unit area and chemical composition of surface layer films

Heads of regulation and compliance

at the discretion of the specification writer

BS EN ISO 20504:2019 supersedes BS EN ISO 20504:2016

can be included in future revisions of this Technical Report

according to their melt flow rate

70 mm (170 ml)

or similar gas

The quality conformance inspection specifies lot-by-lot inspection and periodic inspection which is defined in the detail specification worksheet

The spectral mismatch correction generated is only valid for the specific combination of test and reference devices detected with a specific test spectrum