What is Spunbond


What is Spunbond


One of the most captivating, functional, and widely-used fabrics in the domestic market is the spunbond fabric. This fabric plays a significant role in the production of industrial products due to its unique characteristics. Many industries would face challenges in product manufacturing and distribution without it. In this article, we will discuss spunbond and the reasons for its importance in depth.


If you are in an industry that deals with fabrics, you must be thoroughly familiar with spunbond. If you are planning to start a business related to textiles and fabrics, you will need to acquaint yourself with spunbond. In this section, we will provide comprehensive details about spunbond fabric. One primary identifier for spunbond is that they are non-woven fabrics. Although spunbond is among the most consumed fabrics and many surrounding products are made with it, some believe it's a new production of domestic factories. However, it's important to note that this product has a long history. Industry professionals recognize spunbond by other names such as:


Disposable fabric
Non-woven fabrics
Needle layers
Non-woven span

Needle non-woven, etc.

From these definitions, you should understand that, unlike many available fabrics in the market, this product is not made from yarn fibers. In fact, spunbond is made using a special pressing machine. To better understand the fibers and overall structure of spunbond, consider the structure of carpets. Spunbond fibers are somewhat similar to carpet fibers. The applications of spunbond are so extensive that you'll be amazed when you get to know them. In subsequent sections, we will explore the uses of these non-woven textiles.


How Spunbond is Produced

To produce spunbond fabric, a specialized machine called an extruder is required. Initially, raw materials for fabric production are introduced into this machine. Polypropylene is the primary component of spunbond. This material is heated at high temperatures until fully melted. Following this, to cool the molten materials, they are passed through a needle-like surface. After cooling, the materials are smoothed and evened out using a roller-like tool called a calender. The back-and-forth movement of the calender on the materials ensures the desired thickness of the spunbond is achieved. Thickness is a critical factor in spunbond, and it can dictate its applications. Therefore, a great deal of precision and expertise is required during the calendering process.


Characteristics of Spunbond

After understanding the features of spunbond, you'll likely realize why this fabric is popular and widely used in industries.
Spunbond is a product that, despite its extensive use, is much cheaper than other types of fabrics. Furthermore, its recycling process is much simpler and easier. Consequently, this fabric is very eco-friendly and doesn't harm the environment.
Spunbond fabric can be procured in various colors.
It is available in different weights (each square meter representing a specific weight). The most common weights in the market range from 20 to 90 grams, but there are heavier variations for specific applications.
Spunbond fabrics are soft, flexible, and notably smooth.
They possess anti-bacterial properties.
They are designed to be both water-repellent and water-absorbent.
Depending on their intended use, spunbond fabrics can be produced with varying numbers of layers. They are generally available in single, double, and triple layers, referred to as S, 2S, and 3S, respectively.
As mentioned earlier, the fibers used in these fabrics are of the press type.

Spunbond fabrics exhibit high resistance against ultraviolet rays, ensuring they don't get damaged.

Factors Influencing the Diversity of Spunbond


Spunbond fabrics can be categorized into various groups based on differences in their structure and appearance. Some of the factors contributing to the diversity of spunbond include:


Weight of the spunbond, referred to as GSM (grams per square meter).
Color variations of the spunbond fabric.
Width and length of each spunbond roll.
Water repellency of the fabric.
Water affinity of the fabric.
Waterproof capabilities.
Patterned, printed, or plain appearance of the fabric.
UV protection provided by the fabric.
Anti-bacterial properties of the fabric.

The degree of softness.


Given these factors, it's evident that the world of spunbond is vast and varied, and individuals can choose from a plethora of spunbond fabrics based on their specific needs.


Applications of Spunbond Fabric

We can provide an extensive list to introduce the applications of spunbond fabric. Here, we will briefly touch upon some of the most significant and common uses of spunbond fabric.


Medical Industry

 One of the most crucial applications of spunbond is in the medical sector. It's used for producing various disposable hospital garments, surgical gowns, surgical caps, shoe covers, multi-layer masks, etc., which many of us might not have been previously aware of.

Packaging Industry 

Spunbond is extensively used for producing covers for furniture, household appliances, cars, clothing, and for packaging food products like legumes, fruits, rice, etc. In terms of packaging and covering products and parts, spunbond offers superior quality.

Automotive Industry 

Many of the interior decorations of cars, painting processes, and soundproofing are done using spunbond.


Construction and Road-making Industries 


For interior decoration, building moldings, producing building covers, constructing false walls, etc., spunbond is employed.


Agriculture Industry


 Many farmers and landowners use spunbond extensively to enhance their agricultural performance and care for their produce. Applications in the agricultural sector include: optimal covering for farms and greenhouses with breathability for plants, use in irrigation processes to conserve water, and acting as a protector for flowers and plants.

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