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.
Company safety helmet
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.
Professional team work and production line which can make nice quality in short time.
The professional team provides 24 * 7 after-sales service for you, which can help you solve any problems
29/7/2020, · Depending on the kind of noise you’re looking to stifle, the Mpow foam earplugs can either make your environment completely silent or at least ensure that you don’t have hearing loss. With an NRR of 32 decibels, they’re capable of reducing sounds of over 100 decibels to more manageable levels.
26/8/2018, · When you consider that normal speech overheard from a distance of 1.5 to 3 meters is between 50 and 55 dB, with peaks reaching 70 to 75 dB, it becomes clear that even the strongest earplugs and earmuffs cannot completely silence this noise. …
Foam earplugs Foam earplugs completely close off the ear and attenuate a reasonable amount of noise. They are not reusable and do not fit perfectly. As a result, they do not sit well for long. And that in turn affects the degree of attenuation. Filter earplugs Universal filter earplugs attenuate noise without making you feel shut out.
In comparison, 42 percent of the participants who did not use ,earplugs, experienced some hearing loss. Tinnitus, or ringing in your ears that ,can, be caused by exposure to loud ,noise,, was found in 12 percent of the participants who wore ,earplugs,, versus 40 percent of the participants who did not use ,earplugs,. You ,can, read more about the study online.
The effectiveness of an earplug is specified by a noise reduction rating (NRR), which typically ranges from 15 to 35 decibels of sound attenuation. The higher the rating, the more noise protection it provides, assuming it fits properly. Earplugs with an NRR of 27 and above are considered the most highly effective.
3/11/2020, · Mpow 035 Noise Reduction Safety Earmuff The next product designed to give sufficient ear sound protection for various hazardous environments is the Mpow 035 Noise Reduction Safety Earmuff. It works by offering a passive reduction of noise as it does not use batteries. It has a heavy-duty construction, which, I think, shows how it is built to last.