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The Process Differences and Applications of Hot Air-through Nonwoven vs. Spunbond Nonwoven

The Process Differences and Applications of Hot Air-through Nonwoven vs. Spunbond Nonwoven

11 Nov, 2025

1. Introduction

In the hygiene industry, Hot Air-through Nonwoven and Spunbond Nonwoven are two major types of nonwoven materials. Although they look similar, their production technology, fiber structure, and performance differ significantly. Understanding these distinctions helps manufacturers select the right fabric for better comfort and product quality.


2. Process Differences

Comparison
Hot Air-through Nonwoven
Spunbond Nonwoven
Material
Bi-component fibers (PE/PET)
Polypropylene (PP) granules
Technology
Fibers bonded by hot air after carding
PP melted, extruded, stretched, and thermally bonded
Bonding
Hot air bonding – soft junctions
Roller thermal bonding – tight junctions
Texture
Soft, fluffy, elastic
Flat, firm, smooth
Breathability
Excellent
Moderate
Cost
Slightly higher
Lower

Hot Air-through Nonwoven is produced by using heated air to bond fibers, giving it a soft and voluminous structure. Spunbond Nonwoven, on the other hand, is made by extruding molten polypropylene into continuous filaments, then bonded through heated rollers to create a strong and uniform fabric.

hot air through nonwoven

spunbond nonwoven

3. Performance & Applications

Hot Air-through Nonwoven:

* Soft, skin-friendly, and breathable

* Can be treated for hydrophilicity

* Commonly used in baby diaper topsheet, sanitary napkin surface, and adult care products

Spunbond Nonwoven:

* High tensile strength and good dimensional stability

* Cost-effective for large-scale production

* Used in diaper backsheet, packaging layer, and medical protective materials

In many hygiene products, both materials are combined Hot Air for comfort and Spunbond for structural support and cost efficiency.


4. How to Choose the Right Fabric

Selection depends on product design and market positioning:

* Premium products: Choose Hot Air Nonwoven for softness and comfort.

* Economical designs: Choose Spunbond Nonwoven for better cost control.

* Hybrid structures: Combine both to achieve balanced performance.


5. Conclusion & Supplier Recommendation

Both Hot Air and Spunbond Nonwoven fabrics have unique advantages. Choosing the right combination can improve product performance and market competitiveness.

Quanzhou Niso Industry Co., Ltd. supplies various nonwoven materials for baby diapers, adult diapers, and sanitary napkins.

Email: info@qzniso.com

WhatsApp: +86-15260373015



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