Spunbond nonwoven fabric is a type of fabric made through the spunbond process, which involves extruding molten polymer fibers and directly laying them onto a conveyor belt or a forming surface to form a web. The web is then bonded together to create a nonwoven fabric with various properties such as strength, durability, and breathability.Spunbond nonwoven fabric making machine is a complex piece of equipment that combines polymer extrusion, filament formation, web laying, and bonding processes to produce high-quality spunbond nonwoven fabrics for various applications, including medical, hygiene, agriculture, filtration, and geotextiles, among others.

The spunbond line typically consists of the following components:

    Extruder: The extruder is responsible for melting and extruding the polymer material, which is usually polypropylene (PP) or polyester (PET). The molten polymer is forced through a spinneret to form continuous filaments.

    Quenching System: After extrusion, the filaments are rapidly cooled by a quenching system, which solidifies the filaments and prevents them from sticking together.

    Web Formation: The solidified filaments are laid onto a moving conveyor belt or a forming surface to form a loose web. This process is typically achieved by using an airflow or suction system to draw the filaments onto the surface.

    Bonding: Once the web is formed, it passes through a bonding process to strengthen and stabilize the fabric. The bonding can be done through different methods such as thermal bonding, chemical bonding, or mechanical bonding, depending on the desired properties of the fabric.

    Finishing: After bonding, the fabric may undergo additional finishing processes such as calendaring (to smooth the surface), printing (to add patterns or designs), or coating (to enhance specific characteristics like water repellency).

SSS nonwoven fabric machine