1, newly bought masks have a taste, may be after ethylene oxide sterilization residual flavor, this is normal.
2, newly bought masks have a taste, it may also be mask production process tethered processing and other processes, ultrasonic welding high temperature, resulting in odorous aldehydes, ketones and other substances, this is not normal.
So when shopping for masks must choose the regular brand.
If the mask has a smell, it is recommended to take out the ventilation to eliminate odor before wearing.
Expanded information:
Buy masks notes:
1, no matter what masks, when you buy, be sure to look at the "quality inspection reports" "Quality inspection report" "quality inspection report", before buying to see if this commodity or store has the following these qualifications.
2, ordinary masks, you need to labor protection supplies business qualification certificate, we have to see whether the business has this qualification; (some will also add the word special) part of the local name will be a certain difference, and some will not be alone in this certificate, but in its business license will be clearly given on the scope of business, which has a mask and labor protection equipment and other business scope.
3, if it is a medical mask, testing standards with the word YY, the business also needs to be equipped with medical equipment business license. If not, it is unlicensed, the product can not be guaranteed!
4, at the time of purchase, whether it is medical or medical disposable or N95, etc., you can let the business to provide these quality inspection reports and license certificates.
(But for some of the dog blood merchants, to provide P's fake reports and fake electronic certificates are accustomed to, after all, many consumers just look at, and will not go to check), this time to get the QC report, you can get through the QC report of the testing unit to go through the phone to ask about the next, the general testing organizations will have to check the report of the hot line or personnel to receive, to verify that the clear is the best.
There are also some said to be an agent, the report is the manufacturer and not the businessman himself, if you do not feel confident, you can search for the manufacturer to contact, to verify whether it is a real agent and so on. And keep a call log or screenshot of the message.