Non Woven Fabric Rolls Series

1. The most basic characteristic indicators of non-woven fabrics are: quantitative, thickness, uniformity, moisture regain
2. Performance testing standards for non-woven fabrics: ① International Organization for Standardization: ISO②World Nonwovens Industry Association: INDA
③European Association for Disposable Materials and Nonwovens: EDANA
④American Society for Testing and Materials: ASTM
p>⑤EU CE certification
⑥U.S. FDA certification
3. Quantity of non-woven fabrics: it is the so-called gram weight, which refers to the mass per unit area , the unit is grams per square meter (g/㎡).
4. Quantitative determination of non-woven fabrics: sampling, humidity adjustment, weighing, calculation of mass per unit area and CV value of coefficient of variation.
5. The thickness of the non-woven fabric: the distance between the two surfaces of the cloth under the specified pressure.
6. Non-woven fabrics can be divided into: 1. Fluffy non-woven fabrics: When the pressure of the non-woven fabrics increases from 0.1KPa to 0.5KPa, the compression ratio of its thickness reaches or exceeds 20% non-woven.
②Ordinary non-woven fabrics: fabrics other than fluffy non-woven fabrics.
7. Nominal thickness: the thickness measured under a certain pressure.
8. Absolute compressibility: the difference between the thickness and the nominal thickness measured under the condition of 10 times the preload pressure.
9. Relative compressibility: the ratio of absolute compressibility to nominal thickness.
10. Bulk density: the ratio of the quantitative sample to the volume occupied by the sample under the condition of nominal thickness.

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Many customers do not know much about the printing of non-woven bags, and often ask what printing method is generally used for non-woven bag printing. XinYu Non-woven, a non-woven manufacturer, will explain non-woven bags in detail here What printing method will be used.





Screen printing


Introduction: The screen printing machine is used to print on the fabric, and the environmentally friendly ink and screen are used.


Commonly known as: silk screen, watermark, environmental protection printing.


Advantages: affordable, fast, low cost, bright colors, and accepted by the public, widely used.


Disadvantage: Unable to print images with large gradient drop, such as portraits, landscapes, houses, etc.


Rubber sheet embossing


Introduction: Using a six-color roller printing machine, printing on the fabric, using the engraved rubber plate to stick on the rubber roller, using environmentally friendly ink.


Commonly known as: offset printing (different from paper offset printing), letterpress printing, flexo printing.


Advantages: low price, fast speed, a little bit of light in the color, widely used in society.


Disadvantages: The color is relatively light, only suitable for light-pigmented fabrics, such as white, beige and other light-pigmented fabrics.


Thermal transfer


Introduction: Using an offset printing machine and a hot pressing machine, first use the offset printing machine to print on the thermal transfer paper, and then pass the hot pressing machine to flat iron or roll iron on the fabric. Commonly known as: heat transfer, heat transfer, heat sublimation printing.


Advantages: It can print high-precision pictures such as head portraits, landscape paintings, etc., and the density is high, which makes the printing of the bag look very bright.


Disadvantages: The printing area cannot be too large, the price is high, and the speed is slow.


Gravure color printing


Introduction: Using a seven-color gravure printing machine, the pattern is engraved on the roll gravure (the material is iron), and then the plate is placed on the printing machine, printed on the OPP film, and then covered by the laminating machine. on non-woven fabric.


Commonly known as: color printing, gravure printing.


Advantages: The size of the pattern is arbitrary, and there is no need to deliberately reduce the pattern. It can print high-precision pictures such as head portraits and landscape paintings. The concentration is high, so that the whole bag presents a beautiful picture. When the number of bags is large, the price advantage is obvious and the speed is fast.


Disadvantages: The printing fee is expensive, and the cost allocation for a small number of bags is relatively high.


This printing method is still a controversial topic for environmental protection or not.


Lamination color printing


Introduction: It is a relatively new printing method. Color printing is performed by pouring a layer of glue on the inner layer of the non-woven fabric to block the leakage of ink.


Advantages: It can be directly color-printed on the non-woven bag, no film or transfer paper is required, and the cost is relatively reasonable. Suitable for printing 5,000-10,000 bags.


Disadvantages: The color accuracy is slightly lower than that of the lamination, and the color of the fabric is also a little plainer, which is not suitable for the full-page background color.


The above is the current printing method of non-woven bags introduced by Wenzhou Xinyu Non-woven Fabric Co., LTD., I hope it can help you, if you have any other questions, please call 86-577-56976979.

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Introduction
Interfacing is an essential component in the textile industry that helps in providing structure, stability, and support to various fabrics. When it comes to nonwoven fabrics, interfacing plays a crucial role in enhancing their strength, durability, and overall performance. In this article, we will delve into the world of interfacing for nonwoven fabrics and explore its importance, applications, and manufacturing processes.

Understanding Interfacing
Interfacing is a term used to describe a layer of material that is applied to the back of a fabric to provide structure and support. It is commonly used in garment construction, crafts, and other textile applications. While traditionally interfacing was primarily used with woven fabrics, advancements in technology have led to its utilization in nonwoven fabrics as well. Nonwoven fabrics are manufactured by bonding together fibers or filaments without weaving or knitting them, making interfacing an integral part of their production process.

Interfacing for nonwoven fabrics is designed to improve the mechanical properties of the fabric, such as tensile strength, tear resistance, and dimensional stability. It also helps in preventing fraying and distortion, ensuring that the fabric retains its shape and integrity. Additionally, interfacing can enhance the drapability, stiffness, and finish of nonwoven fabrics, making them more suitable for diverse applications across industries.

Applications of Interfacing in Nonwoven Fabrics
Interfacing finds extensive applications in various nonwoven fabric products. Let's explore some of the key applications where interfacing plays a vital role:

1. Apparel and Garment Manufacturing: In the apparel industry, interfacing is used to provide shape and structure to garments such as collars, cuffs, waistbands, and pocket linings. It helps these components retain their intended shape, improve durability, and enhance overall garment quality.

2. Bags and Accessories: Interfacing is commonly used in the production of bags, backpacks, and accessories like wallets, belts, and hats. It adds strength and stability to these products, ensuring they withstand regular use and maintain their shape over time.

3. Home Furnishings: Nonwoven fabric interfacing is widely utilized in home furnishings such as curtains, upholstery, and decorative pillows. It provides structure and support, making the fabrics more resistant to wrinkling, sagging, and wear.

4. Automotive and Aerospace Industries: Interfacing is essential in nonwoven fabrics used in automotive and aerospace applications. It helps in enhancing the strength, stiffness, and durability of components like headliners, carpets, and insulation materials, ensuring they meet the stringent requirements of these industries.

5. Medical and Healthcare: Interfacing plays a critical role in medical and healthcare products made from nonwoven fabrics. It is used in surgical gowns, face masks, wound dressings, and other healthcare textiles to provide structure, reinforce seams, and improve overall performance.

Manufacturing Processes for Interfacing with Nonwoven Fabrics
The manufacturing processes involved in producing interfacing for nonwoven fabrics may vary depending on the desired characteristics and end-use requirements. Below are a few common methods used in the industry:

1. Thermal Bonding: This process involves applying heat and pressure to bond nonwoven fabric layers together with an interfacing material. The heat causes the interfacing material to melt partially, creating adhesive spots that bind the layers. Thermal bonding is a popular method due to its efficiency, speed, and ability to produce strong bonds.

2. Chemical Bonding: In this process, chemicals are used to bind the interfacing material with nonwoven fabric layers. The chemicals react with the fibers of the nonwoven fabric, creating a durable bond. Chemical bonding allows for flexibility in adjusting the bonding strength and can be used with a variety of interfacing materials.

3. Needle Punching: Needle punching involves mechanically entangling fibers of nonwoven fabric layers with an interfacing material using barbed needles. This process creates a bond by interlocking the fibers, resulting in a sturdy and dimensionally stable material. Needle punching is often used when a higher level of reinforcement is required.

4. Adhesive Bonding: Adhesive bonding involves applying a specialized adhesive to bond the interfacing material with nonwoven fabric layers. This method offers flexibility in terms of bonding materials and allows for customization based on specific requirements. Adhesive bonding is commonly used when a soft and flexible interfacing is desired.

The Importance of Choosing the Right Interfacing for Nonwoven Fabrics
The selection of the appropriate interfacing is crucial to achieving desired outcomes in nonwoven fabric applications. Here are a few factors to consider when choosing the right interfacing:

1. Weight and Thickness: The weight and thickness of the interfacing should complement the nonwoven fabric to ensure optimal performance. A lightweight interfacing is suitable for delicate nonwoven fabrics, while thicker interfacing may be required for heavier fabrics that need more structure and stability.

2. Bonding Strength: The bonding strength between the interfacing and nonwoven fabric layers should be appropriate for the intended use. Some applications may require a strong bond for added durability, while others may need a more flexible or temporary bond.

3. End-Use Requirements: Consider the specific requirements of the end-use application, such as flexibility, softness, stability, or stiffness. The interfacing should be selected to meet these requirements and enhance the overall performance of the nonwoven fabric.

4. Washing and Care: It is important to choose an interfacing that can withstand the intended care and cleaning methods for the final product. Some interfacing materials may be more suitable for machine washing, while others might require delicate handwashing.

5. Compatibility: Ensure that the interfacing material is compatible with the nonwoven fabric in terms of fiber content, composition, and manufacturing process. Compatibility will ensure that the interfacing integrates well with the fabric, providing the desired structural support.

Conclusion
Interfacing is a vital component in enhancing the performance, durability, and aesthetics of nonwoven fabrics. Whether in apparel, accessories, home furnishings, automotive, or healthcare products, interfacing provides the necessary structure and support. Understanding the various manufacturing processes and selecting the right interfacing is essential to achieving the desired outcomes. By choosing the appropriate interfacing, nonwoven fabrics can be transformed into high-quality materials suitable for a wide range of applications.

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