Are n99 Masks Washable?

Face masks, respirators, and other Personal Protection Equipment (PPE), are crucial. These devices are essential for construction, medicine, and many other industries. The n99mask is used to filter out harmful particles and prevent the spread and contraction of infectious diseases. The n99 masks are the most effective face-covering option available, but many people want to know what to look for when purchasing one and if they can wash and reuse them.

What Are N99 Masks?

N99 masks or a n99 masks is a specific type of face-covering to filter what the user is breathing in. N99 Mask is a face-covering designed to filter the air that is being inhaled. Two main characteristics of these masks are: N99 Masks form a tight seal against your face so that when you breathe in, the airflow coming in and out of your nose and mouth passes through the filtration material without leaking from the mask’s edges. N99 mask materials should be capable of capturing at least 99% particles from the user’s nose and mouth while they breathe. These features mean that the N99 respirator is more durable than other cave covers and has a higher filtration rate.

What to Consider When Buying an N99 Mask

N99 masks offer the best protection by filtering out 99.9% of airborne particles. However, they don’t all provide equal protection.Consider these things before buying an N99 facemask. The mask’s useful life is dependent upon its filters, which are the most important element of any efficient face mask. Think about the type, quality, and number filters your N99 mask will use. Carbon filters filter out bacteria, viruses, and chemicals the best. N99 masks with breathing valves or micro-ventilators make talking and breathing easier. N99 masks are available in a variety of sizes. Make sure that you have enough coverage for your nose, mouth, and chin. It is useless to use a face mask that doesn’t fit correctly. You want to buy certified N99 masks.Reusable Masks are an eco-friendly and economically sound option. However, there is a higher initial cost. If you engage in lots of physical activity or already have breathing difficulties, you can find N99 masks with two breathing valves to help you breathe easier.

Extending the Use of N99 Masks

Disposable filtering respirators. It is best only to use one mask per day. If your N99 mask becomes contaminated or is exposed to harmful particles during the day, you should throw it out. The CDC has information about how to sterilize N99 Masks when many people wear respirators all day. While they don’t recommend that you reuse masks unless, in an emergency situation, you can sterilize your N99 mask for reuse.

These are the requirements for safe sterilization of an N99 mask washable:

The mask must remain effective against COVID-19. The sterilization must not affect the filtration capabilities. It must not have an impact on the fit of the user’s face. The mask must still be safe for the user.

These methods of decontamination are not recommended for N99 Masks:

Ethylene Oxide causes concerns for off-gassing. Ionizing Radiation can degrade filter performance. The use of microwaves can melt the respirator near metal components and compromise the fit. Autoclaves, high temperatures, and steam can cause filter degradation.

Sterilizing N99 Masks for Reuse

Three methods are showing the most potential to decontaminate N99 masks: using moist heat, vaporous hydrogen peroxide, or exposing the masks to UV radiation. Every mask should be checked for damage and passed a seal-check before it is worn again. A group of doctors, scientists, and other professionals formed a group called N95DECON to research and test different sanitizing methods for face masks. While these methods have been researched thoroughly, they have not gone through extensive testing yet.


This kills both resistant bacteria spores as well as viruses. 3M has used this method up to 20 times to clean masks without any degradation. However, if sterilized with higher amounts, filters lose their effectiveness. Sanitizing machines can be dangerous and require extensive training.


Using UV radiation stops the viruses related to coronavirus without affecting the masks filtering ability for 10-20 sterilizations. However, the UV light can break down the straps and face pieces, and it can be challenging to expose the lower layers to the radiation. The mask’s material can be damaged by high doses of UV light.

Heat and Humidity

Heating N99 masks at 60-75 degrees C for half an hour can stop viruses related to COVID-19, but it has not been tested on the coronavirus itself.This is an excellent way to clean facemasks. They can be heated at 60 degrees C with 80% humidity.

Steam and Liquid Hydrogen Peroxide

The CDC also tested sterilizing masks with steam and liquid hydrogen peroxide. To kill bacteria, they used steam bags in low-power microwaves. The mask was not damaged more than three times. The researchers also found that N99 respirators were not affected by a half-hour soak in 6% liquid hydroperoxide. However, they didn’t test the fit of the masks afterward. Avoid using soapy water when sterilizing N99-face masks. It can degrade the masks’ materials and affect their ability to filter small particles correctly. Use alcohol or bleach; this affects the mask’s ability to filter harmful materials efficiently. It’s safe to assume it’s clean from overnight storage. The coronavirus can live for up to three days on some materials. It is crucial to purchase washable N99 masks from a trusted source. Bielcor is a safety leader and only offers products that have been thoroughly researched and field-tested.