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.
zuhari reusable kn95 mask
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.
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Surgical Mask, . Doctors and medical staff are usually seen wearing this type of ,mask, in the operating room, hence the name ,surgical mask,. Standard ,surgical masks, come in three layers - two outer layers and a middle layer that acts as a filter.
Surgical masks, do not have this ,rating,. (Note there are also “,surgical masks,” that have been rated as respirators (i.e., N95 ,surgical masks,).) Always be sure you are wearing the right respirator or ,mask, for the hazards present and task you are performing.
We do not recommend these ,masks, (below) for Coronavirus at the moment. 13. Kimberly-Clark Fluidshield Procedure Face ,Mask,. The Kimberly-Clark face ,mask, is specialized in blocking heavy fluids with its ASTM F2100-11 Level 3 ,rating,. It is capable of resisting the highest level of fluid and has been recognized with ASTM standards.
A ,mask, with any ,rating, on this list will perform better than a standard ,surgical mask,. Further, each ,rating, system has a range of levels, often with 3 different tiers. If you want the absolute best respirator, look into those with a ,rating, around 100%.
A ,surgical mask,, also known as a medical face ,mask,, is intended to be worn by health professionals during healthcare procedures. ,Surgical masks, are intended to prevent infections in patients and treating personnel by catching bacteria shed in liquid droplets and aerosols from the wearer's mouth and nose. They are not designed to protect the wearer from breathing in airborne bacteria or viruses ...
An N95 ,surgical mask, is an enhanced reusable face ,mask, that combines N95 respirator and an ordinary ,surgical mask,. Most of the fashion ,masks, made from washable cotton or sponge are reusable, they are mainly designed for air pollution or pollen allergy, but useless against viruses and bacteria.
The data show that each ,mask, essentially serves as a low-pass filter, attenuating the high frequencies (2000-7000 Hz) spoken by the wearer, with the decibel (dB) level of attenuation ranging from 3 to 4 dB for a simple medical ,mask, and close to 12 dB for the N95 ,masks,. Figure 3. Output SPL level differences (in dB) by type of ,mask, being worn.