# ISO/PAS 16940:2004 — Withdrawn and superseded ISO standards

For ISO/PAS 16940:2004, item title is Glass in building — Glazing and airborne sound insulation — Measurement of the mechanical impedance of laminated glass; status code is 9599; successor is ISO 16940:2008; withdrawn / published date is 2004-01-13, recorded from its source on 2026-08-05.

- **Identifier:** ISO/PAS 16940:2004 _(verified: appears in the quote below)_
- **Item title:** Glass in building — Glazing and airborne sound insulation — Measurement of the mechanical impedance of laminated glass _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 16940:2008
- **Withdrawn / published date:** 2004-01-13 _(verified: appears in the quote below)_

## What the source says

> 38173,PAS,,ISO/PAS 16940:2004,Glass in building — Glazing and airborne sound insulation — Measurement of the mechanical impedance of laminated glass,Verre dans la construction — Vitrages et isolation aux bruits aériens — Mesurage de l'impédance mécanique du verre feuilleté,2004-01-13,1,['81.040.20'],ISO/TC 160,9599,,[45788],"['en','fr']",9,<p>ISO/PAS 16940:2004 describes a method for the measurement of the loss factor and the equivalent bending rigidity modulus of laminated glass test pieces. The aim is to compare the properties of interlayers. These two parameters (and others such as density and thicknesses of glass components) can be related to the sound transmission loss (STL) of the gla

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).