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Non woven interlining has been extensively found its applications in the industry due to its exemplary properties. It not only has preeminent features but also has significant financial advantages. Over the years, Wenzhou Xinyu Non-woven Fabric Co., LTD. engages with prospects by positioning the ideal products and services.

Wenzhou Xinyu has gained world-wide reputation for its top quality non woven cleaning wipes. Wenzhou Xinyu's non woven interlining series contains multiple sub-products. The preparation process of Wenzhou Xinyu non woven surgical cap includes a few steps. Materials crushing, grinding, separating, and refining are conducted by professional technicians who have many years of experience in mineral extraction and refinery. The product is of good quality and reliable.

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Non-woven and non-woven paper have certain similarities and are both non-manufactured, but have different characteristics and uses. Many people are looking for ways to distinguish non-woven and non-woven paper. The following editor will summarize several methods for you to distinguish.

Non-woven paper is a kind of fabric that does not require spinning or weaving. It only orients or randomly spun short fibers or filaments to form a web structure, and then uses mechanical, thermal bonding. or chemical reinforcement. Simply put: it is not interwoven and braided by yarns one by one, but the fibers are directly bonded together by physical methods, so when you get the sticky weight in your clothes , you will find that it is impossible to extract a single thread.

The non-woven fabric breaks through the traditional textile principle, and has the characteristics of short process flow, fast production speed, high output, low cost, wide application and many sources of raw materials. Non-woven materials are an innovative substrate designed today for successful wallpaper categories. It has convincing material properties, such as: dimensional stability, high strength, high air permeability, etc. to ensure the most suitable operability for the end user, and it is an easy-to-use, near-perfect wallpaper substrate. Nonwovens have better stability than traditional products, can be laid and cut at will without any difficulty, they are easy to peel off and easy to refinish. They create a surface paper with a special texture that is soft to the touch and looks, a design that inspires countless designers.

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Melt-blown non-woven fabric technology has been introduced to China for only a few decades. China has introduced meltblown production lines since the 1990s. Eighteen years ago, a foreign SMS online composite production line was introduced. Due to the high purchase price of equipment and high production and operation costs, the price of meltblown products is high, and the lack of understanding of product performance and use has delayed the opening of the meltblown market, and related companies are struggling and operating bleakly. In the fight against SARS, meltblown and SMS non-woven fabrics demonstrated excellent protection and isolation functions, and gained new recognition and favor from the market, which led to a round of large-scale expansion. In recent years, with the continuous development of meltblown technology, the application of meltblown non-woven fabrics has also been continuously expanded and extended to various fields.

Process of Meltblown Nonwovens

Polymer Feeding---Melting Extrusion---Fiber Forming---Fiber Cooling---Web Forming--- Reinforced into cloth.

Characteristics and applications of meltblown non-woven fabrics

1. The web is composed of extremely fine short fibers.

2. The uniformity of the fiber web is good and the hand feels soft.

3. Good filtration performance and liquid absorption performance.

4. The strength of the fiber web is poor.

Product application: filter materials, medical and health materials, clothing materials, battery separator materials, wiping materials.

Market situation and development space

China is a big producer of spunbond meltblown nonwovens, and the actual output of spunbond meltblown nonwovens is about 2 million tons per year. Five years ago, the actual output of spunmelt nonwovens in the whole industry reached 1.91 million tons, an increase of 15.42% over the previous year. Among them, the output of spunbond nonwovens accounts for 98% of the output of the entire spunmelt industry, and the output of meltblown nonwovens accounts for only 2.05%.

The main reason for the slow growth in the output of meltblown nonwovens is that the scope of application is relatively narrow and the product types are relatively single. However, the special properties of meltblown non-woven fabrics are still irreplaceable in some applications. Chinese meltblown products are mainly used in market fields such as isolation protection, filtration separation, thermal insulation and sound insulation, oil absorbing materials, and battery separators.

It is reported that there is a large demand for this meltblown non-woven fabric in the automotive field at present. Compared with the traditional recycled textile felt, this meltblown sound-absorbing material has the characteristics of light weight, low combustion, environmental protection and good sound-absorbing effect, and is welcomed by domestic automobile manufacturers. In addition, as a building thermal insulation, sound insulation material, its development space is very large.

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What is Nonwoven Filter Fabric

Nonwoven filter fabric is a versatile and highly efficient material used in various industries for filtration purposes. It is made by bonding together fibers, typically using heat, pressure, or chemical processes, without weaving or knitting. This unique manufacturing process gives nonwoven filter fabric its distinct characteristics, making it an excellent choice for applications where traditional woven fabrics may not be suitable.

Nonwoven filter fabric has become increasingly popular due to its exceptional filtration properties, durability, and cost-effectiveness. It is commonly used in a wide range of sectors, including automotive, healthcare, environmental, industrial, and more. In this article, we will delve into the world of nonwoven filter fabric, exploring its manufacturing process, properties, applications, and benefits.

The Manufacturing Process of Nonwoven Filter Fabric

Nonwoven filter fabric is manufactured using several processes, including meltblown, spunbond, needle punching, and others. Each process offers unique benefits and results in a different type of nonwoven fabric. Let's take a closer look at these processes and how they contribute to the production of high-quality filter fabric.

1. Meltblown Process:

The meltblown process involves melting polymer resins and extruding them into fine fibers using high-velocity air. These fibers are then collected onto a moving belt or drum to form a web. Meltblown nonwoven fabrics are known for their fine fiber diameter, enabling them to efficiently capture small particles. They are commonly used in air and liquid filtration applications.

2. Spunbond Process:

The spunbond process begins with extruding polymer resins through spinnerets or nozzles, forming continuous filaments. These filaments are then laid onto a moving belt or drum, followed by bonding through heat, pressure, or adhesive methods. Spunbond nonwoven fabrics have excellent strength and durability, making them suitable for various filtration applications.

3. Needle Punching Process:

The needle punching process involves mechanically interlocking fibers using barbed needles. These needles repeatedly penetrate through the web, entangling the fibers and creating a cohesive fabric structure. Needle punched nonwoven fabrics offer exceptional strength, thickness, and filtration efficiency. They are commonly used in heavy-duty applications where durability is crucial.

4. Other Processes:

Apart from meltblown, spunbond, and needle punching, there are other processes such as wet-laid, thermal bonding, and chemical bonding. Each process has its advantages and is suitable for specific applications. These processes can also be combined to create composite nonwoven filter fabrics with enhanced properties.

Overall, the manufacturing process of nonwoven filter fabric involves carefully selecting fibers, processing them through various techniques, and bonding them together to form a coherent web structure.

The Properties of Nonwoven Filter Fabric

Nonwoven filter fabric possesses several properties that make it an excellent choice for filtration applications. Understanding these properties is crucial in determining the appropriate fabric for specific filtration requirements. Let's explore some of the key properties of nonwoven filter fabric:

1. Filtration Efficiency:

One of the primary properties of nonwoven filter fabric is its filtration efficiency. The fabric's ability to capture and retain particles of different sizes depends on the fiber diameter, web structure, and surface characteristics. Nonwoven filter fabric can effectively filter out contaminants, ranging from large particles to microscopic substances, depending on the specific type and design.

2. Porosity:

Porosity refers to the void spaces or gaps between the fibers in the nonwoven fabric structure. The porosity of nonwoven filter fabric can be controlled during the manufacturing process to achieve the desired filtration performance. Higher porosity allows for increased air or liquid flow, while still retaining the capacity to trap particles efficiently.

3. Strength and Durability:

Nonwoven filter fabric exhibits excellent strength and durability, thanks to the bonding methods used during manufacturing. The fabric's resistance to tearing, puncturing, and abrasion makes it suitable for demanding applications. The choice of fibers and bonding techniques influences the fabric's overall strength and durability.

4. Chemical and Thermal Resistance:

Another important property of nonwoven filter fabric is its resistance to chemicals and high temperatures. Some filtration processes involve harsh chemicals or elevated temperatures, which can deteriorate or damage traditional woven filters. Nonwoven filter fabric can withstand such conditions and maintain its filtration efficiency over an extended period.

5. Versatility:

Nonwoven filter fabric offers versatility in terms of design, thickness, and functionality. Manufacturers can adjust the fabric's characteristics to meet specific filtration requirements, such as different particle sizes, flow rates, and operating conditions. This versatility allows for tailored solutions in various filtration applications.

Applications of Nonwoven Filter Fabric

Nonwoven filter fabric finds applications in various industries and sectors due to its exceptional properties. Some of the common applications include:

1. Air Filtration:

Nonwoven filter fabric is widely used in air filtration systems, including HVAC systems, automotive cabin filters, and industrial air purification units. Its high filtration efficiency, porosity, and strength make it an ideal choice for trapping dust, pollen, allergens, and other airborne contaminants.

2. Liquid Filtration:

In the field of liquid filtration, nonwoven filter fabric plays a vital role in applications such as water treatment, industrial process filtration, and medical fluid purification. Its ability to effectively filter out impurities while maintaining the required flow rate makes it indispensable in these industries.

3. Healthcare and Hygiene:

Nonwoven filter fabric is extensively used in the healthcare and hygiene sectors. It is used in surgical masks, protective clothing, wound care products, and other medical and personal care items. The fabric's ability to provide both filtration and breathability is crucial in these applications.

4. Automotive:

The automotive industry relies on nonwoven filter fabric for applications such as engine air intake filters, cabin air filters, and fuel filtration. These filters prevent the entry of harmful particles into the engine, ensure clean air circulation within the vehicle, and protect sensitive components from contamination.

5. Environmental:

Nonwoven filter fabric is employed in various environmental applications, including water and air pollution control, waste management, and oil spill cleanup. Its ability to efficiently capture and retain pollutants contributes to a cleaner and healthier environment.

The Benefits of Nonwoven Filter Fabric

Nonwoven filter fabric offers numerous benefits over traditional woven filters, making it a preferred choice in many industries. Some of the key benefits include:

1. Enhanced Filtration Efficiency:

Nonwoven filter fabric provides excellent filtration efficiency, capturing a wide range of particle sizes. Its fine fiber diameter and controlled porosity contribute to high filtration performance, ensuring cleaner air or liquid streams.

2. Lower Pressure Drop:

Pressure drop refers to the resistance encountered by the fluid as it flows through a filter. Nonwoven filter fabric offers lower pressure drop compared to some traditional filters, allowing for increased energy efficiency in filtration systems.

3. Cost-Effectiveness:

Nonwoven filter fabric offers a cost-effective solution for filtration needs. Its efficient manufacturing process, durability, and extended service life result in reduced maintenance and replacement costs. Additionally, its versatility allows for tailored solutions, optimizing filtration performance while minimizing expenses.

4. Environmental Sustainability:

Nonwoven filter fabric is considered environmentally friendly due to its recyclability and reduced energy consumption during manufacturing. The fabric can be repurposed or transformed into other products, minimizing waste and contributing to a circular economy.

5. Improved Performance in Challenging Conditions:

Nonwoven filter fabric exhibits excellent performance even in challenging operating conditions. Its resistance to chemicals, high temperatures, and mechanical stress ensures reliable filtration performance, maintaining product quality and process efficiency.

In summary, nonwoven filter fabric is a versatile and efficient material that offers numerous advantages for filtration applications. Its unique manufacturing process, properties, and wide-ranging applications make it a preferred choice in industries such as automotive, healthcare, environmental, and more. As technology and research continue to advance, nonwoven filter fabric is expected to evolve, offering even better filtration performance and addressing the growing demands of various sectors.

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have three basic components.

Introduction:

SMS nonwoven fabric has gained significant popularity in various industries due to its exceptional properties and versatility. This article aims to delve into the details of SMS nonwoven fabric, exploring its composition, manufacturing process, applications, advantages, and more. Whether you are a professional in the textile industry or simply interested in understanding this innovative fabric, this article will provide valuable insights into the world of SMS nonwoven fabric.

What is SMS Nonwoven Fabric?

SMS stands for 'Spunbond Meltblown Spunbond,' which refers to the unique structure of this nonwoven fabric. It is composed of three layers, combining the remarkable features of spunbond and meltblown fabrics. The outer layers consist of spunbond polypropylene (PP) fibers, providing strength and stability to the fabric, while the inner layer contains meltblown PP fibers, offering excellent filtration properties. This combination results in a lightweight, durable, and highly functional fabric suitable for a wide range of applications.

Composition and Manufacturing Process:

SMS nonwoven fabric is primarily composed of polypropylene (PP), a thermoplastic polymer known for its exceptional properties. The manufacturing process of SMS fabric involves several steps to create the desired structure and properties:

1. Spinning: In the first step, PP granules are melted and extruded through spinnerets to create continuous filaments. These filaments are then collected on a moving belt to form a web-like layer.

2. Cooling and Consolidation: The hot filaments are rapidly cooled to solidify them, and then consolidated using heat and pressure to form a cohesive web.

3. Meltblowing: The middle layer of SMS fabric is created through a meltblowing process. Meltblown PP fibers are generated by extruding molten PP through fine nozzles, which are then blown by hot air, resulting in ultrafine fibers. These fibers are randomly collected onto a belt, forming a highly porous structure.

4. Bonding: The spunbond and meltblown layers are bonded together using heat and pressure to create a strong, uniform SMS fabric. This bonding process ensures the integrity and durability of the fabric.

5. Finishing: After the fabrication process, SMS nonwoven fabric may undergo additional treatments such as calendaring, coating, or printing to enhance its aesthetic appeal or specific functionalities.

Main Characteristics and Advantages of SMS Nonwoven Fabric:

SMS nonwoven fabric possesses a myriad of exceptional characteristics, making it highly desirable in various industries. Here are some key features and advantages of SMS nonwoven fabric:

1. Strength and Durability: The combination of spunbond and meltblown layers imparts remarkable strength and durability to SMS fabric. It exhibits excellent tear and tensile strength, ensuring its sustainability in demanding applications.

2. Fluid Resistance: The hydrophobic nature of PP fibers used in SMS fabric makes it resistant to water and other liquids. It acts as an effective barrier against liquid penetration, providing protection in medical, industrial, and hygiene applications.

3. Filtration Efficiency: The meltblown layer in SMS fabric contributes to its exceptional filtration properties. It can capture and trap small particles, bacteria, and viruses, making it suitable for medical masks, surgical gowns, and air filtration systems.

4. Breathability: Despite its fluid resistance, SMS fabric allows air to pass through, ensuring breathability and comfort. This feature is vital in medical and personal care products, where users need protection without compromising comfort.

5. Lightweight and Softness: SMS fabric is incredibly lightweight, making it comfortable for prolonged use. Its soft texture enhances user experience, especially in applications that require direct contact with the skin.

6. Chemical Resistance: SMS nonwoven fabric exhibits resistance to various chemicals, making it suitable for industrial applications where exposure to hazardous substances is expected.

7. Cost-Effective: Compared to traditional woven fabrics, SMS nonwoven fabric offers cost advantages due to its efficient manufacturing process and minimal waste generation.

Applications of SMS Nonwoven Fabric:

SMS nonwoven fabric finds widespread applications across diverse industries owing to its unique combination of properties. Some prominent applications include:

1. Medical and Healthcare: SMS fabric is extensively used in medical and healthcare settings for its superior barrier properties. It is utilized in surgical gowns, drapes, masks, bedding, disposable clothing, and hospital accessories. The hydrophobic and filtration capabilities make it an ideal choice for personal protective equipment (PPE) and sanitary products.

2. Hygiene Products: SMS fabric is a key component in the production of diapers, feminine hygiene products, and adult incontinence products. It provides excellent fluid resistance, comfort, and breathability necessary for such applications.

3. Automotive Industry: SMS nonwoven fabric is utilized in the automotive industry for various purposes. It is commonly found in car seat covers, car interiors, door panels, and headliners. The lightweight nature and durability of SMS fabric make it an excellent choice for these applications.

4. Agriculture and Landscaping: In agriculture, SMS fabric is used as a protective covering for plants, protecting them from insects, pests, and harsh weather conditions. Additionally, it is employed in landscaping applications for weed control and erosion prevention.

5. Industrial and Construction: SMS fabric serves multiple purposes in the industrial and construction sectors. It finds application in protective clothing, insulation materials, packaging, geotextiles, and filtration systems. The strength, resistance to chemicals, and filtration capabilities make it a versatile choice in these industries.

Conclusion:

SMS nonwoven fabric is a remarkable innovation in the textile industry, offering a unique combination of strength, durability, fluid resistance, filtration efficiency, and breathability. Its diverse range of applications in medical, hygiene, automotive, agriculture, and industrial sectors showcases its versatility and functionality. With constant advancements in technology and growing demand for sustainable materials, SMS fabric is poised to play a vital role in shaping the future of the textile industry. By understanding the composition, manufacturing process, and advantages of SMS nonwoven fabric, professionals and enthusiasts can fully appreciate its significance and contribute to its continued growth and development.

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