There are two differences between disposable masks standalone and non-standalone:
The difference in hygiene.
The difference in cost difference.
Introduction of disposable masks:
It is made of two layers of 28 grams of non-woven fabric.
Environmentally friendly all-plastic strips are used at the bridge of the nose, which do not contain any metal.
The strap is breathable and comfortable especially suitable for electronic factories, daily life use.
Size: 17.5cmx9.5cm .
Disadvantages: Cannot be washed.
Advantages:
Ventilation is very good.
Able to filter toxic gases and keep warm.
Can absorb water, waterproof.
Stretchable.
Lighter texture.
Lower price, suitable for mass production.
Disadvantages:
Compared to other fabric masks, disposable masks cannot be washed.
Because of the arrangement of its fibers are in a certain direction, all also easier to be torn.
Disposable masks are less strong and durable than other masks.
Disposable masks independent packaging introduction: is a mask a package, now common is to use a sealed bag.
Non-independent packaging: generally a package of masks greater than 2, the largest package almost 50 / bag or box.