This European Standard specifies requirements for assessing the working life and provides the relevant exposure conditions.
Standards of construction and any material tests conducted should provide evidence of resistance to specified conditions selected from the following:
I. Chemical Agents Location
dependent
II. De-icing salt Location/climate
Dependent
III. Dirty water/dust Location/
Climate
dependent
IV. Dew Climate
dependent
V. Freeze/thaw Climate
dependent
VI. Cold Climate
dependent
VII. Heat Climate
dependent
VIII. UV Radiation Climate
dependent
IX. Traffic Vibration Location
dependent
X. Biological Process Climate
dependent
XI. Ozone Location
dependent
XII. Water Climate
dependent
XIII. Water spray Location
Wet/dry dependent

NOTE Special care has to be taken for combinations of different materials, whether inside a single device or in combination with other devices (for example: a combination of different acoustic elements or another combination of acoustic and structural elements)