N95 vs P2 Masks

What’s the Difference Between N95 and P2 Masks?

The difference between N95 and P2 masks is so small that most users will not notice anything amiss. The P2 rating is the standard in Australia and New Zealand similar to the US N95 mask rating.   Difference Between N95 and P2 Masks: Charted Out N95 and P2 masks look … Read more

Half of Masks Failed N95 Tests and are not Reliable

Half of Chinese N95 Masks Fail Quality Checks

Tests of masks marketed as N95 from 21 manufacturers show that half of Chinese N95 masks fail quality tests–with some masks filtering no better than a cotton cloth. These tests come at a time that many countries around the world are scrambling for masks and other PPE. Factories Spring Up … Read more

N95 Masks Made From Plastic

What Are N95 Masks Made From?

N95 masks made from synthetic plastic fibers are most common. These plastic fibers are similar to the fibers in synthetic and polyester shirts many people wear. N95 Masks Made From Synthetic Plastic For example, let’s take the 3M 9332 masks that I wear in Beijing. Technically this is an N99 (FFP3) … Read more

Size of pollen particles 10 microns to 200 microns cherry willow pine grass pollen feature

Can Masks Filter Pollen and Prevent Hay Fever?

Every year, spring’s blossoms bring with them wave of pollen. For places like Beijing, it’s also the start of the ‘snowy season’, with the hundreds of willow trees producing their fluffy catkin friends and the sniffles that follow. But how can we avoid the uncomfortable coughing and sneezing? Which masks … Read more

Sanitizing Masks With Alcohol Degrades Performance

With mask shortages during the coronavirus outbreak, some doctors are sanitizing masks with alcohol so they can re-use them. But this raises questions about whether alcohol actually works and whether it degrades the masks.   Does Alcohol Kill Viruses? The research on alcohol is clear. Alcohol kills viruses. Technically, viruses aren’t … Read more

Microwave time and power to kill HIV hepatitis viruses clean cover

Does Microwaving Masks Disinfect Viruses?

With masks in short supply, many people are being forced to re-use masks. That means the idea of microwaving masks has gone from a crazy-sounding idea to a critically practical question. Does Microwaving Masks Deactivate The Coronavirus? Another reason this question is critical: Smart Air tests found that washing N95 … Read more

N95 Masks vs. Surgical Masks: Which Is Better For COVID-19?

Scientists have actually randomized people to wear N95 or regular surgical masks, then tracked how many people got infected with viruses similar to COVID-19 such as the flu. This data can tell us whether N95 or surgical masks are more effective at preventing infection of respiratory viruses including COVID-19. The … Read more

Can I wash my N95 Mask?

Is Washing Masks Effective After Virus Exposure?

With the shortage of masks during the coronavirus outbreak, many people are wondering if washing masks is an effective way of cleaning and re-using masks. There are companies that claim to have washable anti-pollution masks. This company in India claims to have washable masks washable and can capture air pollution, … Read more

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