If you cut masks, can see there are at least three layers of non-woven fabric, the layer is a production, at least three layers.
We see on the market are exposed at a kind of inferior masks, only 1 layer of non-woven fabric, is unscrupulous manufacturers severe cut corners.
Nose clips sewn into the second structure: it depends on the mask mask the upper part of the root can be bent wire.
Wear nose clips to knead to fixed onto the bridge of the nose, so that wearing a mask is sealed, structure or not, I the flat nose air leakage is more serious, sealing is not tight, impact protection.
To see a close-up, along the non-woven fabric is on one side of the matching transmission wire, then below the edge structure, behind a suture, was done.
Cascading mask body parts is below the cascade structure, began to completely cover your mouth and nose, face will not be afraid.
The cascade structure section so long, this will need to have a folding machine.
Is below the mechanical design, there are so three adjustable slope, small bevel set, cant make large non-woven along this several, from left to right gradually narrowed the merging of 'folding structure'.
Then there is a link of the compressor, pressed mask surface is flat and level.
Cutting link masks a single cutting and hemming, mostly is fully automatic without manual processing.
And different mask is manufacturing have subtle differences, have a plenty of hemming, some direct hot-pressing glue, the small details.
Out of a single mask is the main body.
Fill side pressing the mask below is I buy, look for the mask edges, each with a non-woven fabrics to enhance and line pressing hanging ears, lest she was broke.
Around two big roll of non-woven fabric, waiting to reinforcing the mask edge.
One side was wrapped, then immediately pressing adhesive.
At that time out of the original has been cutting good mask, was again together, is this really affectionate spare hate since ancient times, the hate and continuing have no unique period.
So you also need a cutting edge reinforcement link, make a clean break.
Hot-pressing fixed rope hanging ears in the mask edges also need to use adhesive, below this side of the mechanical paw send rope hanging ears, there is hot pressing adhesive under a rope hanging ears fixed on the mask, so a flat type of face mask even if completed.
Of course, then please out our 'human quality'.
Mask recent news, we often see factory workers to pull the ear wire test or masks, some small lovely worry about sterile, rest assured, and then send to mask before disinfection disinfection sterilization to open type, we'll look at an open type mask making, this is common in anti-fog higher haze masks or protective specifications, such as the kind of breather valve.
After in the sterilization room air and nitrogen to dilute and draining epoxy ethane, so repeatedly, until the epoxy ethane residues on the surface of the mask to amount to mark.
There are some medical bandage, suture, surgical instruments, and intolerance high temperature disinfection, with epoxy ethane to sterilize.
Separate seal and seal we buy hand masks generally have a single seal and a pile of encapsulation together several packages, these two no, or depends on your usage.
Is only after sterilization packaging, as long as it is made of normal manufacturer, has a clear production information, using standard, are compliance.
Masks have positive and negative?
The most common of disposable surgical masks, have a plenty of positive and negative materials are all the same, have a plenty of positive and negative points.
Positive material looks a bit thick, also can prevent some splash, durable, the middle layer filter, cover the material more soft.
The distinction between general way is to look at the rope hanging ear toward which side, a rope hanging ears that surface is the surface that fit the face.
Who want a mask is finished, but can not buy also really have no choice.
I here is also heavy epidemic area, the mask is out of stock, every family is village is now only 2 days out 1 personal trip to purchase necessities.
Now can only be reduce unnecessary go out as far as possible, saves the use of masks number.
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