What is spunbond non-woven isolation clothing
Spunbond non-woven isolation clothing refers to isolation equipment made mainly of spunbond non-woven fabric and used in medical protection scenarios. Its core function is to establish a physical barrier between medical staff and patients or pollutants, reducing the risk of cross infection.
The fabric is based on non-woven fabrics produced through spunbond technology: polymer slices such as polypropylene (PP) are melted and spun to form continuous filaments. Through processes such as stretching, mesh laying, and hot rolling reinforcement, the fibers are interlaced and tangled to form a fabric with certain strength and density. The physical structure of this fabric is the core foundation of protection – the three-dimensional network composed of continuous filaments can intercept pollutants such as droplets and body fluids, and the micrometer sized pores retain a certain degree of breathability while blocking the carrier of pathogen transmission, balancing protection and wearing comfort.
To improve the protection level, spunbond nonwoven isolation clothing often adopts a multi-layer composite structure (such as SMS structure, which is spunbond layer+meltblown layer+spunbond layer), using the ultra-fine fibers in the middle meltblown layer to enhance the filtering ability of small particles, the outer spunbond layer provides wear resistance, and the inner layer ensures skin friendliness. Meanwhile, the fabric may undergo chemical modifications such as water repellent and antibacterial treatment to further delay liquid penetration and inhibit bacterial growth.
This type of isolation clothing must comply with strict medical standards (such as Chinese GB 19082 and American ASTM standards), meet regulatory requirements in terms of liquid barrier properties, tear resistance, and other indicators, and be widely used in hospital outpatient clinics, isolation wards, nucleic acid sampling, and other scenarios. It is an important equipment for daily protection of medical staff. Its disposable nature avoids the risk of cross infection caused by repeated use and is a key component of modern medical infection control systems.
Protection principle
In the application scenario of isolation clothing, the protective properties of PP spunbond non-woven fabric are derived from its unique material structure and process design, which can be achieved through the following aspects:
Firstly, the tight arrangement of fibers and the continuous filament structure are the foundation of protection. The fibers produced by PP spunbond process are in the form of continuous long filaments, which overlap and entangle with each other during the laying process, forming an irregular but dense network structure. This structure can effectively block larger particle droplets and body fluid splashes, and the gaps between its fibers are much smaller than the particle size of common pathogens (such as bacteria, viruses) and pollutants, forming a physical barrier and reducing the risk of direct contact transmission.
Secondly, the hot rolling reinforcement process enhances the impermeability. Spunbond non-woven fabrics undergo hot rolling treatment during production, where high temperature and high pressure cause local melting and bonding of fibers. This not only enhances the strength of the fabric, but also reduces some pores and lowers the possibility of liquid infiltration. When the isolation suit comes into contact with blood, secretions, and other liquids, this treatment can delay or even prevent the liquid from penetrating the fabric and coming into contact with the skin of medical staff, buying time for emergency response.
In addition, the chemical stability of the material itself provides additional assurance. PP (polypropylene) has the characteristics of chemical corrosion resistance and water resistance, and is not easily corroded by common body fluids and disinfectants, avoiding protection failure caused by material damage. Even when repeatedly exposed to disinfectants such as alcohol, its structural stability can be maintained, ensuring that the isolation suit always maintains a complete protective state during use.
At the same time, a reasonable weight design balances protection and practicality. PP spunbond non-woven fabric used for isolation clothing usually chooses a suitable weight (such as 40-60g/㎡), which ensures the thickness and density of the fabric to enhance protection, and does not affect the flexibility of wearing due to excessive weight, making it less likely for medical staff to lose protection due to fabric tearing during operation.
Conclusion
It is the combination of these characteristics that enables isolation gowns made of PP spunbond non-woven fabric to reduce stuffiness through breathable structures in high temperature environments, while reliably blocking pathogens and pollutants, becoming a “safety barrier” for medical staff.
Dongguan Liansheng Non woven Technology Co., Ltd. was established in May 2020. It is a large-scale non-woven fabric production enterprise integrating research and development, production, and sales. It can produce various colors of PP spunbond non-woven fabrics with a width of less than 3.2 meters from 9 grams to 300 grams.
Post time: Aug-04-2025