Home > Range of earmuffs available from Bacou-Dalloz

Range of earmuffs available from Bacou-Dalloz

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article image Absorbent pads in earmuffs

The use of absorbent pads in earmuffs is ideal for humid and moist environments, for users who perspire heavily, or for settings where the same earmuff is shared by multiple users.

Absorbent pads, such as the Cool II pads available from Howard Light by Sperian, come with an adhesive backing that attaches directly to the earmuff cushion.

As an option, the punched oval centre of Cool II pads may also be placed inside the earcup to protect the foam filling of the earmuff.

According to Sperian Hearing Protection, in its study, the Cool II pad was tested with a representative earmuff (Howard Leight Thunder T2), hearing tests were administered to listeners while they wore the earmuff alone and then with the pad attached, to determine any change in earmuff attenuation.

The results showed that the addition of the Cool II absorbent pad caused a mild drop in attenuation of about 2.5dB in the low frequency response (500Hz and below) of the earmuff, but no significant difference above 500Hz.

The addition of the punched oval centre into the earcup actually increased attenuation in the earcup by about 1–2dB in the high frequencies (4000Hz and above).

If these results are applied to the Sound Level Conversion (SLC80), the addition of the Cool II pad would decrease the SLC80 of an earmuff by 2 dB or less.

Using the Cool II with the punched oval centre pad in the earcup would decrease the SLC80 by about 1dB. These minor changes in overall attenuation (2dB or less) are within the standard deviation of the testing and will likely be unnoticeale and insignificant to many users when compared with the benefits of extra comfort, longer wear time, and additional hygiene provided by the Cool II absorbent pads.

Earmuff users know that anything interfering with a good seal around the ear (thick hair and eyeglass frames or large earrings) can potentially compromise the attenuation of the earmuff.

Workers who wear the absorbent pads, such as the Bilsom Cool II pads, may likewise wonder if their earmuff attenuation is being compromised.

Cool II pads comes with an adhesive backing that attaches directly to the earmuff cushion. As an option, the punched oval centre of the Cool II pad may also be placed inside the earcup to protect the foam filling of the earmuff.

Cool II is ideal for humid and moist environments, for users who perspire heavily or for settings where the same earmuff is shared among multiple users.

In a study conducted at the Acoustical Lab of Howard Leight Industries, the Cool II pad was tested with a representative earmuff (Bilsom Thunder T2).

Hearing tests were administered to listeners while they wore the earmuff alone and then with the pad attached, to determine any change in earmuff attenuation.

The earmuffs are available from Bacou-Dalloz.

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