What are the basic properties of Spunbond Nonwoven Fabric For Masks and its role in masks?

Spunbond nonwoven fabric is a nonwoven material made by spinning, stretching and laying processes. It has been widely used in mask production due to its excellent performance and economy. The following are its basic characteristics and specific roles in masks:

Basic characteristics of spunbond nonwoven fabric
High strength and durability
Spunbond nonwoven fabric is composed of continuous long fibers, which have high tensile strength and tear strength after hot rolling or chemical treatment.
This high strength enables it to withstand certain external forces without breaking easily, and is suitable for use as the outer protective material of masks.
Breathability
The fiber structure of spunbond nonwoven fabric is relatively loose and has a high porosity, so it has good breathability.
Breathability is one of the key factors for the comfort of masks, especially when worn for a long time, it can reduce the feeling of stuffiness.
Softness
The surface of spunbond nonwoven fabric is smooth and soft, and it feels comfortable to the touch. It is particularly suitable for inner materials that are in direct contact with the skin.
It does not irritate the skin and is suitable for sensitive people.
Waterproofness
After special treatment (such as coating or calendering), spunbond nonwoven fabric can have a certain waterproof performance and effectively block liquid splashes.
This property makes it an ideal choice for the outer layer of medical masks, which can prevent the penetration of liquids such as blood and saliva.
Chemical resistance and antibacterial properties

Spunbond nonwovens are usually made of polypropylene (PP) or polyester (PET), which have good chemical resistance and antibacterial properties.
In specific applications, their antibacterial properties can be further enhanced by adding antimicrobial agents.
Lightweight and economical
Spunbond nonwovens are lightweight and low-cost, suitable for large-scale production and disposable use.
Its high production efficiency can meet the large-scale demand for raw materials in the mask industry.
The role of spunbond nonwovens in masks
In three-layer medical masks, spunbond nonwovens are usually used as outer and inner layers, while meltblown fabrics are used in the middle layer. Different layers of spunbond nonwovens have different functions:
Outer layer: protective barrier
Main function:
Prevent external liquids (such as droplets, blood, body fluids) from penetrating into the inside of the mask.
Resist the intrusion of dust, particulate matter and other pollutants.
Implementation method: The outer layer of spunbond nonwoven fabric is usually waterproofed to form a physical barrier. Its high strength and wear resistance enable it to withstand external friction and pressure. Inner layer: comfortable contact Main function: Provide a soft, skin-friendly wearing experience and reduce skin irritation. Absorb moisture exhaled by the wearer to keep the inside of the mask dry. Implementation method: The inner layer of spunbond nonwoven fabric is not waterproofed, retaining good air permeability and moisture absorption. Its soft fiber structure can fit the face and improve wearing comfort. Support and protect the middle layer The high strength and stability of spunbond nonwoven fabric provides support for the meltblown fabric in the middle to prevent the meltblown fabric from being deformed or damaged by external force or moisture. At the same time, the outer layer of spunbond nonwoven fabric can block large particles, reduce the filtering burden of meltblown fabric, and extend the service life of the mask. Spunbond nonwoven fabric plays an indispensable role in mask production due to its high strength, breathability, softness and waterproofness. It provides a protective barrier on the outer layer, ensures comfort on the inner layer, and provides support and protection for the meltblown fabric in the middle. This material not only meets the functional requirements of masks, but also takes into account economy and environmental protection. It is an irreplaceable key material in modern mask manufacturing.

With the advancement of technology, spunbond non-woven fabrics may be further improved in the future through functional modification (such as antibacterial and antiviral treatment) or compounding with other materials to meet higher protection and comfort requirements.