Where can I buy the best KN95 Respirators Masks for coronavirus?

Looking to buy the best KN95 face masks for coronavirus? KN95 masks are crucial for protecting medical staff in treating patients with coronavirus and also help the common people from catching bacteria present the air. During this ongoing pandemic, the wholesale retailers have deployed all their resources towards online channels, since everyone is advised to maintain a proper social distance. Now if you wish to buy KN95 face masks, B2B websites are a great option for you. since we have noticed people tend to sell substandard medical masks, the best way to stay safe from scam would be to use a reliable online platform for the purchase.

What is the KN95 masks made of?

During the coronavirus pandemic, masks, once relegated to specific professions, are quickly becoming commonplace.

Not all masks are the same. Filtering facepiece respirators, commonly referred to as KN95 masks, are regulated by the National Institute for Occupational Safety and Health.

Here is a breakdown of what an N95 mask is:

KN: This is a Respirator Rating Letter Class. It stands for “Non-Oil” meaning that if no oil-based particulates are present, then you can use the mask in the work environment. Other masks ratings are R (resistant to oil for 8 hours) and P (oil proof).

95: Masks ending in a 95, have a 95 percent efficiency. Masks ending in a 99 have a 99 percent efficiency. Masks ending in 100 are 99.97 percent efficient and that is the same as a HEPA quality filter.

.3 microns: The masks filter out contaminants like dust, mists, and fumes. The minimum size of .3 microns of particulates and large droplets won’t pass through the barrier, according to the Centers for Disease Control and Prevention (CDC.)

Material: The filtration material on the mask is an electrostatic non-woven polypropylene fiber.

Valve: Some disposable KN95 masks come with an optional exhalation valve. “The presence of an exhalation valve reduces exhalation resistance, which makes it easier to breathe (exhale,)” according to the CDC.

Why are KN95 masks regarded as so much better than other masks?

KN95 respirators reduce the wearer’s exposure to airborne particles, from small particle aerosols to large droplets. KN95 respirators are tight-fitting respirators that filter out at least 95% of particles in the air, including large and small particles.
Not everyone is able to wear a respirator due to medical conditions that may be made worse when breathing through a respirator. Before using a respirator or getting fit-tested, workers must have a medical evaluation to make sure that they are able to wear a respirator safely.
Achieving an adequate seal to the face is essential. United States regulations require that workers undergo an annual fit test and conduct a user seal check each time the respirator is used. Workers must pass a fit test to confirm a proper seal before using a respirator in the workplace.
When properly fitted and worn, minimal leakage occurs around edges of the respirator when the user inhales. This means almost all of the air is directed through the filter media.
Unlike NIOSH-approved KN95, facemasks are loose-fitting and provide only barrier protection against droplets, including large respiratory particles. No fit testing or seal check is necessary with facemasks. Most facemasks do not effectively filter small particles from the air and do not prevent leakage around the edge of the mask when the user inhales.
The role of facemasks is for patient source control, to prevent contamination of the surrounding area when a person coughs or sneezes.  Patients with confirmed or suspected COVID-19 should wear a facemask until they are isolated in a hospital or at home. The patient does not need to wear a facemask while isolated.

COVID-19: Surgical Masks vs. KN95 Respirators

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What is the difference between an N95 Respirators masks and a KN95 Respirators masks?

This handy chart explains the difference between US standard N95 and China standard KN95. For the features that most people care about, they’re equivalent.

Both masks are rated to capture 95% of particles. (It’s intuitive to think that this is only for particles above a certain size [often 0.3 microns], but empirical data finds that masks are actually highly effective at capturing smaller smaller particles.) On this metric, N95 and KN95 masks are the same.

Differences

However, there are some differences between N95 and KN95, highlighted here.

Most of these differences are small and would be uninteresting to the average mask user. However, here are the key differences:

1. The KN95 requires a mask fit test on real humans with ≤ 8% leakage. The N95 standards do not require fit tests.

2. N95 have slightly stricter requirements for pressure drop while inhaling. That means they’re required to be slightly more breathable.

3. N95 also have slightly stricter requirements for pressure drop while exhaling, which should help with breathability.

Bottom line: N95 and KN95 are both rated to capture 95% of particles, although only KN95sare required to pass fit tests. N95 have slightly stronger requirements for breathabilityw.

Breathe safe!