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Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.

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Solutions to meet different needs

We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.

Highly specialized team and products

Professional team work and production line which can make nice quality in short time..

We trade with an open mind

We abide by the privacy policy and human rights, follow the business order, do our utmost to provide you with a fair and secure trading environment, and look forward to your customers coming to cooperate with us, openly mind and trade with customers, promote common development, and work together for a win-win situation..

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The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems

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kevlar helmet ebay
Hearing Protection Buyer's Guide for Shooters - The ...
Hearing Protection Buyer's Guide for Shooters - The ...

2/11/2019, · Molded ,earplugs, are probably the best solution out there. In the past, they had to be custom made by a company and ,you, had to wait for them to be made. In ,many, cases, that is still the case, and the best-molded ,earplugs, can be much more than $100. They usually come with replaceable filters and are very discreet and comfortable to ,wear,.

Noise and Hearing Protection Fact Sheet
Noise and Hearing Protection Fact Sheet

Properly fitted ,earplugs, or muffs reduce ,noise, 15 to 30 ,dB,. The better ,earplugs, and muffs are approximately equal in sound reductions, although ,earplugs, are better for low frequency ,noise,, ,and earmuffs, for high frequency ,noise,. Simultaneous use of ,earplugs, Occupational Safety and Health

Noise and Hearing Protection Fact Sheet
Noise and Hearing Protection Fact Sheet

Properly fitted ,earplugs, or muffs reduce ,noise, 15 to 30 ,dB,. The better ,earplugs, and muffs are approximately equal in sound reductions, although ,earplugs, are better for low frequency ,noise,, ,and earmuffs, for high frequency ,noise,. Simultaneous use of ,earplugs, Occupational Safety and Health

NRR and Ear Protection - What Shooters Should Know
NRR and Ear Protection - What Shooters Should Know

For example, if ,you wear ear plugs, with a 33 rating ,and ear muffs, with 31, ,you, do not get the NRR equivalent of 64. The highest rating level of protection for ,earmuffs, is 31. For buds, it’s slightly better with a highest possible rating of 33.

Everyday Sounds & Their Damaging Decibel Levels | Hearing ...
Everyday Sounds & Their Damaging Decibel Levels | Hearing ...

Ear plugs, can also reduce the sound by 15-30 ,dB,. Used together, ,earmuffs, and ,ear plugs, can give ,you, a 30-60 ,dB noise, reduction. Of course, ,you, don’t always know when loud, damaging sounds are going to occur. If ,you, have a few seconds of warning or when the sound begins, plugging your ears is helpful.

» hearing protection 101 - Mack's® Ear Plugs
» hearing protection 101 - Mack's® Ear Plugs

This means that, if ,you wear, a product with an NRR of 29, for example, in accordance with its directions, the ,noise, entering your ears will be reduced by 29 ,decibels,. McKeon Products, Inc. is an ISO 9001:2015 quality certified manufacturer.

How to Choose the Best Hearing Protection
How to Choose the Best Hearing Protection

The idea is to get the ,noise, reduced to a safe and comfortable level; for a two-hour stint in your workshop, that ,should, be less than 90 ,dB,. Foam plugs offer an NRR of about 30 ,dB,; ,earmuffs, about 25 ,dB,; molded plugs slightly less than 25 ,dB,. For extremely loud operations, ,wear, both plugs and muffs to attain an NRR of 35 ,db, or more.

Harmful Noise Levels | Michigan Medicine
Harmful Noise Levels | Michigan Medicine

Normal conversation is about 60 ,dB,, a lawn mower is about 90 ,dB,, and a loud rock concert is about 120 ,dB,. In general, sounds above 85 are harmful, depending on how long and how often ,you, are exposed to them and whether ,you wear, hearing protection, such as ,earplugs, or ,earmuffs,. Following is a table of the ,decibel, level of a number of sounds.

NRR and Ear Protection - What Shooters Should Know
NRR and Ear Protection - What Shooters Should Know

For example, if ,you wear ear plugs, with a 33 rating ,and ear muffs, with 31, ,you, do not get the NRR equivalent of 64. The highest rating level of protection for ,earmuffs, is 31. For buds, it’s slightly better with a highest possible rating of 33.

All You Need To Know About Safe Decibel Levels
All You Need To Know About Safe Decibel Levels

As a rule of thumb, ,you should, consider that 85 ,decibels, or above are harmful to your hearing. However, this depends on the time ,you,’re exposed to them and at how much distance from the origin of the ,noise,. Another thing ,you, can use to have a better idea regarding the safe ,decibel, levels is to look at a hearing loss ,decibels, chart. Hearing ...

Earmuff misconceptions
Earmuff misconceptions

achieved when ,earmuffs, are worn over top of properly inserted ,earplugs,. However, ,many, people assume that using ,earmuffs, and ,earplugs, together will protect them against all high ,noise, environments. ,Many, people incorrectly believe that wearing ,earmuffs, with a NRR of 27 ,dB, over ,earplugs, with an NRR of 30 ,dB, provides 57 ,dB, of protection.

Choosing Hearing Protection PPE: Earplugs vs Ear muffs ...
Choosing Hearing Protection PPE: Earplugs vs Ear muffs ...

Hearing loss due to industrial ,noise, such as machinery, tools and traffic is one of the most widespread yet preventable workplace injuries.. Hearing damage is irreversible and seriously affects quality of life, contributing to dementia, stress, hypertension, tinnitus (ringing in the ears) and psychiatric disorders. Furthermore, a five-year (1999-2004) study of 6307 workers found that workers ...

Three Tips for Choosing the Right Hearing Protector ...
Three Tips for Choosing the Right Hearing Protector ...

24/10/2018, · NIOSH QuickFitWeb can also be used to check if ,you, are getting more or less than 15 ,dB, of sound reduction. If ,you, are exposed to ,noise, levels 100 dBA or greater (such as chainsaws or jackhammers) or if ,you, are exposed to impulsive sounds (such as nail gun or weapons ,noise,), ,you should wear, double hearing protection (,earmuffs, over ,earplugs,).

Three Tips for Choosing the Right Hearing Protector ...
Three Tips for Choosing the Right Hearing Protector ...

24/10/2018, · NIOSH QuickFitWeb can also be used to check if ,you, are getting more or less than 15 ,dB, of sound reduction. If ,you, are exposed to ,noise, levels 100 dBA or greater (such as chainsaws or jackhammers) or if ,you, are exposed to impulsive sounds (such as nail gun or weapons ,noise,), ,you should wear, double hearing protection (,earmuffs, over ,earplugs,).

How do you calculate the noise reduction rate when using ...
How do you calculate the noise reduction rate when using ...

Lesky - ,Noise, reduction is not cumulative when a person wears ,earmuffs, with ,earplugs,. For example, if ,you wear earplugs, with a ,Noise, Reduction Rating (NRR) of 33 ,and earmuffs, that provide 25 ,dB, of protection when worn properly, the amount of protection would not be 58 ,dB,. Attenuation is uneven with a good set of store bought foam ,earplugs, with an NRR of 33.

The 5 Best Hearing Protection Options for Your Home ...
The 5 Best Hearing Protection Options for Your Home ...

Decibel, reduction: Any hearing protection ,should, list ,how many decibels of noise, it blocks. It’s then up to ,you, to do the math. For example, if your table saw generates 100 ,decibels,, and your hearing protection blocks 27, ,you, subtract 27 from 100. So, ,you,’ll be subjected to 73 ,decibels of noise,. This is the ,Noise, Reduction Rating (NRR).

Three Tips for Choosing the Right Hearing Protector ...
Three Tips for Choosing the Right Hearing Protector ...

24/10/2018, · NIOSH QuickFitWeb can also be used to check if ,you, are getting more or less than 15 ,dB, of sound reduction. If ,you, are exposed to ,noise, levels 100 dBA or greater (such as chainsaws or jackhammers) or if ,you, are exposed to impulsive sounds (such as nail gun or weapons ,noise,), ,you should wear, double hearing protection (,earmuffs, over ,earplugs,).

Choosing Hearing Protection PPE: Earplugs vs Ear muffs ...
Choosing Hearing Protection PPE: Earplugs vs Ear muffs ...

Hearing loss due to industrial ,noise, such as machinery, tools and traffic is one of the most widespread yet preventable workplace injuries.. Hearing damage is irreversible and seriously affects quality of life, contributing to dementia, stress, hypertension, tinnitus (ringing in the ears) and psychiatric disorders. Furthermore, a five-year (1999-2004) study of 6307 workers found that workers ...

All You Need To Know About Safe Decibel Levels
All You Need To Know About Safe Decibel Levels

As a rule of thumb, ,you should, consider that 85 ,decibels, or above are harmful to your hearing. However, this depends on the time ,you,’re exposed to them and at how much distance from the origin of the ,noise,. Another thing ,you, can use to have a better idea regarding the safe ,decibel, levels is to look at a hearing loss ,decibels, chart. Hearing ...

Top 5 NRR 40 Rated Ear Muffs [2019]
Top 5 NRR 40 Rated Ear Muffs [2019]

So, even if ,you, need to ,wear ear muffs, for ,many, hours straight, ,you, won’t have any problems with the Professional Safety ,Ear Muffs, by ,Decibel, Defense. One of the things that we really like about the Professional Safety ,Ear Muffs, by ,Decibel, Defense is the fact that ,you, can ,wear, these ,ear muffs, NRR 40 with glasses if ,you, need.