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3M™ E-A-R™ Classic™ ear plugs are made from a proprietary vinyl foam which, combined with their cylindrical shape, has been independently proven to offer exceptional comfort, protection and reliability. 3M™ E-A-R™ Classic™ ear plugs have a number of unique in-ear characteristics which combine to ensure all-day comfort and reassured protection in a wide range of working environments. 3M™ E-A-R™ Classic™ ear plugs roll down easily, negotiate ear canal bends without squashing or creasing, and expand slowly to ensure a good custom fit inside every ear. The unique 3M™ E-A-RFit™ Validation System allows individual users of the E-A-R Classic ear plugs to obtain their own Personal Attenuation Rating to help ensure best fit and protection. As the world's first foam ear plug, the 3M E-A-R Classic ear plug revolutionised hearing protection in the workplace.
Discover what makes the 3M E-A-R™ Classic ear plug different by watching our product video. The 3M™ E-A-R™ Classic™ ear plugs are a textbook example of an invention so fit for purpose that the need for redesign has not been necessary. The E-A-R Classic foam is a proprietary slow recovery vinyl formulation engineered specifically to protect against noise and vibration. Reliable protection: E-A-R Classic earplugs have been subject to many 'real world' attenuation studies looking at the comparison between laboratory generated data and field performance.
Proven performance: The E-A-R Classic earplug has consistently outperformed other earplugs in a dozen 'real world' studies, in 5 countries, with over 600 subjects. The 3M™ E-A-R™ Classic™ earplug has a number of unique in-ear characteristics which are determined by their shape, density, texture and resistance to moisture.
Cylindrical shape: Flat-end cylindrical ear plugs helps provide an effective seal even when the jaw is subject to constant movement thereby providing 'customisation' to best fit the changing dynamics of the ear canal when, for example, talking or eating.
Sweat and humidity resistant: E-A-R Classic foam is resistant to moisture, preventing the ear plugs expanding too quickly which can make it harder to re-insert the ear plug into the ear canal.
Stays in place: The textured surface of the E-A-R Classic earplug provides greater friction which improves grip inside the ear canal. Firm foam properties: The stiffness of the E-A-R Classic earplugs strikes an optimum balance between the softness needed for comfort and the firmness that prevents the ear plug collapsing or folding when inserted into the ear canal.
Roll down quickly and easily: E-A-R Classic earplugs roll down into a tightly compressed cylinder, making them easier to insert into the ear canal.

Slow recovery foam: Slow recovery helps ensure a good custom fit inside virtually all ear canals. Fits most ear-canals: The standard-sized E-A-R Classic earplug fits a wide range of ear canals. In order to help ensure individual workers are protected against noise-induced hearing loss it is vital to select the right product for the work environment and then fit-test the user to ensure they know how to correctly fit the product.
Designed by researchers at our Indianapolis Laboratory Centre of Excellence and validated by 3M's E-A-RCal Laboratory, this objective test procedure differs from many other systems on the market in that it provides quantitative data that doesn't rely on subject response. Gardner was looking for a use for a new vinyl material he had developed which had exceptionally high energy absorption characteristics.
He quickly arrived at the cylindrical design, which could be compressed for easy insertion, and in 1972, after NRC was acquired by Cabot Corporation, the first E-A-R™ foam ear plugs were commercially introduced. In April 1990, the E-A-R Division of Cabot Corporation became part of Aearo Technologies which was subsequently acquired by 3M in 2008. Subscribe to our PPE eNewsletter to get all of the latest updates delivered straight to your in-box. You can customize the cookie-related settings at any time by clicking on Cookie Preferences in the footer of this page.
Introduced 40 years ago this simple yet revolutionary hearing protector, supported by 3M's vast technical resource and expertise, remains one of the most widely used ear plugs in the world. Since its introduction to the market no other ear plug has been studied and assessed in the field more comprehensively than the 3M E-A-R Classic. This seemingly simple but revolutionary product was the brainchild of Ross Gardner Jr., a chemist at the National Research Corporation (NRC) in the late 1960s. Attenuation levels of a foam ear plug can be affected by the chemistry of the material used, this includes its density, the foam cell structure as well its physical shape.
When inserted into the ear, the compressed cylindrical polymer plug slowly expands to conform to the individual's ear canal shape thereby providing an effective acoustic seal.
The E-A-R Classic earplug has been tested in more than 30 laboratories worldwide, more than any other foam earplug. These combine to ensure all-day comfort and protection in a wide range of working environments.
This provides you with a powerful training and motivational tool to help achieve optimum protection.

The objective measurements are typically carried out in less than 10 seconds per ear and include seven different test frequencies (125 Hz - 8 kHz). Drawing on lessons learned through association with an acoustical consultant, he decided to try making foam ear plugs. Thanks to their exceptional combination of comfort and attenuation, they rapidly became - and remain to this day - one of the world's best-selling hearing protectors. 3M continues to strive to develop products that are safe, comfortable, protective, and easy to use, and to maintain the E-A-R Classic ear plug's place at the vanguard of hearing protection.
BootsWebMD is UK specific, GP reviewed health information, providing information on a wide variety of health topics. Our range of innovatively simple personal protective equipment (PPE) includes a variety of options from disposable and reusable ear plugs to hi-tech ear muffs. A quick and accurate method of estimating real-ear attenuation for a given fitting of a pair of earplugs. If you follow these tips, you will likely get better and more consistent levels of protection.
Explore this site and discover what makes the 3M E-A-R Classic ear plug so different and why it remains one of the most popular choices of ear plug in the world today for attenuation, comfort and ease-of-fit. This is where the vinyl foam of the 3M™ E-A-R™ Classic™ earplug has a material advantage over other foam plugs.
The system can also help determine if adequate protection is achieved in relation to the workplace noise hazard.
This measurement can quickly reveal if the chosen ear plug is adequate for the workplace noise hazard and whether there are any further training needs on correct fitting and usage. 3M E-A-R Classic ear plugs are available in three different sizes and a wide range of packaging options (pdf) to better meet the needs of the individual wearer.
Its unique properties achieve the perfect balance between stiffness and softness, helping to ensure a custom and comfortable fit, every time.

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