Totobobo demo in Beijing and Shanghai

by FC on 2014-09-11

Next week Tuesday (2014/09/16 to 18) I will be conducting life demo of customizing the Totobobo mask to fit individual users in Beijing and Shanghai. Here is a quick preview of what I intended to share:

The essential factors to determine protection against PM2.5 is:

(1) if a tight fit can be achieved between the respirator mask and the user’s face (mask-to-face seal)

(2) the quality of the filter

– Quality of filter can be achieved by technology and tested in laboratory
– Quality of mask-to-face seal is the biggest issue for ensuring the protection for individual, because each individual is different

Fit-testing is a process to determine the quality of the face-to-mask seal for individual. This is essential because the protection against PM 2.5 is hugely affected by the quality of the seal.

Totobobo special approach: (1) ReShape or trim to fit most people, (2) Easy fit-check through the transparent mask

To validate our approach, we sent Totobobo mask to Prince of Wales Hospital in Hong Kong for fit-test. The resulting Fit-Factor is 135, which is better than the minimum requirement for N95 mask.

For normal N95 mask, a proper fit-test is necessary during the first use by a new user. This is to determine if a good seal is achievable.

– if a good seal is not achievable, the user has to choose a different mask
– In case of Totobobo, if a good seal is not achievable (by see-through method), the mask can be ReShape or cut smaller to get a better fit

All those who participated in the demo fit-test will get a free, customized Totobobo mask!
email us as totobobomask(at)gmail.com if you are interested to join.

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