Spunlace non woven fabric for wet wipes is a very popular material and has gained popularity due to its excellent properties. So, what is spunlace non woven fabric? What are they commonly used in the wet wipes industry? How can they be made of? Let’s learn more about this material in wet wipes production in this article.
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Spunlace non woven fabric for wet wipes are a nonwoven manufacturing systems that uses high-pressure water flow to tangle the fibers. Under the water power, the fibers would move and rearrange and bond together. Thereby, these fiber web is strengthened to provide qualified physical and mechanical properties. In other words, spunlace nowoven is a composite of different fibers, through the production process, they will be closely linked together in the web to form a durable non-woven fabric for wet wipes production.
Spunlace non woven fabric for wet wipes using a special manufacturing technique.
The manufacturing process of spunlace non woven fabric for wet wipes involves several stages.
Fiber preparation:
Firstly, fibers are fed, weighed, and fine-opened through a blending box and a fine-opening machine. When choosing fibers for spunlace nonwoven fabrics, factors such as cost, machinability, and the finished product’s intended use are considered. Both natural and chemical fibers can be used in the manufacturing process.
Mixed carding and fiber web formation:
The next stage is mixed carding, which evenly distributes the fibers and forms a single fiber. This fiber is then blended and has impurities removed to form a fiber net.
The purpose of fiber web formation is to create a loose structure from the fiber material. This can be achieved through various methods, including dry laid, wet laid, or polymer extrusion web formation.
Stretching and water jet strengthening:
Strengthening the fiber web is carried out using a process involving stretching and a water jet to enhance its mechanical properties and appearance.
Functional Finish:
Finally, a functional finish is applied through mechanical and chemical methods to improve the nonwoven fabric’s performance, function, and appearance. Coating and laminating processes can also be used for spunlace nonwoven fabrics to improve their serviceability and lifespan.
Coating and laminating processes to improve their serviceability and lifespan.
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Spunlace nonwoven fabric is the best commonly used material in wet wipes production due to its unique characteristics. The manufacturing process uses water power to bond the fiber web, producing excellent physical and mechanical properties well-suited for wipe production needs. This fabric is eco-friendly because it does not require a chemical binder.
The even distribution of fibers within the web provides excellent longitudinal and transverse tension, making it less likely to tear during usage. Additionally, the fabric does not shed fibers during use, making it ideal for cleaning. The material feels soft and will not scratch the surface being cleaned. It also has a super-strong absorbing capacity and good ventilation.
This fabric is eco-friendly because it does not require a chemical binder.
To cater to the requirements of various types of wet wipes, it is essential to offer diverse material compositions specific to the kind of specific wipe type.
Some commonly used ingredients in cosmetic wipes/ baby wipes are viscose+PET, woodpulp+cellulose and pure cotton.
Viscose+PET (polyester)
Viscose and PET can be combined in different ratios, such as 3:7, 5:5, or 7:3. The higher the ratio of viscose, the higher the production cost. However, wipes with a higher viscose content are softer and have a higher absorbing capacity. The 5:5 ratio is a cost-effective option.
Woodpulp+cellulose
Woodpulp fibers are known for their excellent cleaning and absorbing properties, while cellulose fiber is derived from plants. This composition option offers biodegradable benefits for baby wipes and can reduce production costs.
Pure cotton
For high-end cosmetic/baby wipes, 100% cotton material is the best option. Cotton fibers provide high tensile strength, super soft skin touch, and high absorbing capacity, resulting in a great user experience. However, the price of pure cotton wipes is much higher than other composition options.
For high-end cosmetic/baby wipes, 100% cotton material is the best option.
Flushable/biodegradable wet wipes are popular due to their eco-friendly benefits. The most common composition option for flushable wipes is a combination of wood pulp and viscose, with varying ratios to ensure they can be safely flushed down the drain.
For biodegradable wet wipes, options include bamboo, cotton, and wood pulp. It’s important to avoid using PET or PP fibers as they are not biodegradable.
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There are three patterns for spunlace non woven fabric for wet wipes production: Plain (parallel lapping), Embossed, and Mesh (cross lapping). Each pattern has a different appearance and cost.
The Plain type is the cheapest, while the Mesh type is the most expensive. Although the Plain pattern has less tensile strength than the Mesh type, it is strong enough for general-purpose wipes used for body cleaning. On the other hand, for wiping cloths, the cross-lapping pattern of spunlace nonwoven fabric is better since it is not easy to tear.
There are three patterns for spunlace non woven fabric for wet wipes production.
Nonwoven fabrics’ thickness is measured in g/m2, indicating the weight per square meter. For example, 50gsm means the material weighs 50 grams per square meter. Thicker material is generally better than thinner material but comes at a higher cost. For wet wipes made with spunlace nonwoven fabrics, 40-60gsm is ideal for daily use. Higher than this range is not recommended because it increases the cost, but consumers may not notice much difference in thickness.
Certain prerequisites must be met in order to produce spunlace non woven fabric for wet wipes.
Requirements for spunlace non woven fabric manufacturers should have a microbiology laboratory.
Quality inspection checklist for spunlace non woven fabric for wet wipes production:
The width of the rolls should be within the specified range.
To ensure quality, inspections should be conducted on batches from the same supplier. If any of the items, such as breaking strength, hygienic index, absorption capacity, or thickness, are found to be unqualified in a batch of spunlace nonwoven fabrics, the entire batch will be considered unqualified.
In conclusion, spunlace non woven fabric for wet wipes is a crucial material. The unique manufacturing process and superior performance made it the preferred choice for wet wipes production. As the demand for wet wipes continues to rise globally, spunlace non-woven fabric’s versatility and performance will undoubtedly play a significant role in meeting the market’s needs.
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