Nonwoven Protective Clothing: Materials, Design and Applications

Non-woven protective clothing is an important personal protective equipment, widely used in many fields such as medical, industrial, and agricultural. The following is a detailed introduction to non-woven protective clothing:

1. Materials and structure
Non-woven protective clothing is mainly made of synthetic fibers such as polypropylene through a special process, with different structures and functions. Common non-woven materials include:

- SMS non-woven fabric: It consists of a spunbond layer (Spunbond), a meltblown layer (Meltblown) and another spunbond layer, with good filtration, shielding and breathability.

- SF coated non-woven fabric: The surface of the spunbond non-woven fabric is covered with a polyethylene (PE) film to provide additional waterproof and anti-permeability properties.

- Tyvek® material: It is made of high-strength continuous high-density polyethylene fibers through a flash spunbond process, and has the characteristics of light weight, strength, waterproofness and breathability.

2. Functions and applications
Non-woven protective clothing is designed to provide a variety of protective functions:

- Protectiveness: Effectively block bacteria, viruses, particles, etc., prevent cross infection, and is suitable for medical, laboratory and other environments.
- Comfort: The material is soft and breathable, reducing the discomfort of the wearer during long working hours.

- Durability: It has high tensile strength and tear strength and can withstand certain mechanical pressure.

3. Design features
The design of non-woven protective clothing takes practicality and comfort into consideration:

- One-piece design: Provides full-body protection and reduces the risk of contamination and infection.

- Elastic banding: The cuffs, ankles, and hat face are closed with elastic bands to ensure a tight fit and prevent contaminants from entering.

- Breathability: Some materials such as SMS non-woven fabrics have good breathability, reducing the stuffiness of the wearer during long working hours.

4. Standards and quality
The production and quality control of non-woven protective clothing follow certain standards:

- GB/T 38462-2020: It specifies the product classification, technical requirements, test methods, etc. of non-woven fabrics for isolation gowns to ensure the mechanical properties and protective properties of the product during use.
- International standards: such as AAMI PB-70, EN 13795, etc. These standards set requirements for liquid protection performance and microbial penetration resistance of protective clothing.

5. Environmental protection and economy
Non-woven protective clothing is easy to handle and recycle, reducing the impact on the environment. At the same time, due to its relatively low cost, it is suitable for large-scale use, especially in medical environments where frequent replacement is required.