The difference between hot air nonwoven fabric and spunbond nonwoven fabric
2024-11-17 22:00
The difference between hot air nonwoven fabric and spunbond nonwoven fabric
Hot air nonwoven fabric and spunbond nonwoven fabric are both types of nonwoven materials, but they differ in production methods, characteristics, and applications:
1. Production Process
Hot Air Nonwoven Fabric: Produced by using hot air to bond fibers. Loose, carded fibers are subjected to heated air that causes them to bind together, creating a soft, fluffy texture. This method often uses thermally bondable fibers like polyester or polypropylene.
Spunbond Nonwoven Fabric: Made by extruding thermoplastic polymers (like polypropylene) into continuous filaments, which are then laid randomly to form a web. This web is bonded using mechanical, thermal, or chemical processes, resulting in a stronger, more durable fabric.
2. Characteristics
Hot Air Nonwoven: Known for its softness, flexibility, and lightweight feel, often with high air permeability. The texture is similar to a cottony feel, making it suitable for applications requiring comfort, like hygiene products.
Spunbond Nonwoven: Known for its durability, tensile strength, and resistance to wear. It has a slightly stiffer texture compared to hot air nonwoven, which is good for products that need more structure and stability.
3. Applications
Hot Air Nonwoven: Often used in products where softness is a priority, like the top sheets in diapers, sanitary napkins, and some types of wipes.
Spunbond Nonwoven: Used in a variety of applications that require strength and durability, such as surgical gowns, agricultural covers, industrial fabrics, and some types of packaging materials.
In summary, hot air nonwoven fabric is soft, lightweight, and ideal for applications needing comfort, while spunbond nonwoven fabric is stronger and more rigid, suitable for products that need durability and support.
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