Hot air nonwoven fabric
Hot air non-woven fabric is an advanced textile product that can be produced with stable quality and excellent performance through professional production equipment and technology, meeting the needs of different industries. It is widely used in medical, health, home, agriculture and other fields. This non-woven fabric has excellent properties such as breathability, waterproof, dustproof, and antibacterial, which cannot be compared to traditional textiles.
The production of hot air non-woven fabric mainly involves the following steps
1. Raw material preparation: The main raw material for hot air non-woven fabric is polypropylene fiber. Polypropylene is a thermoplastic polymer with excellent properties such as high strength and wear resistance, suitable for making non-woven fabrics. In addition, a certain proportion of reinforcing agents, preservatives and other auxiliary materials need to be added.
2. Melt extrusion: Heat polypropylene particles to a molten state, and then extrude the molten polypropylene into fibers through an extruder. During the extrusion process, it is necessary to control the extrusion speed and temperature to ensure the uniformity and quality of the fibers.
3. Fiber network formation: The extruded polypropylene fibers are expanded through airflow or mechanical force to form a uniform fiber network. The density and thickness of the fiber mesh can be adjusted as needed to meet different purposes.
4. Hot air shaping: The formed fiber network is shaped by high-temperature hot air, causing the fibers to bond and interweave with each other, forming an integrated non-woven fabric structure. During the shaping process, it is necessary to control the temperature and time to ensure the stability of the internal structure of the fiber mesh.
5. Surface treatment: In order to enhance the performance of hot air non-woven fabric, surface treatment is also necessary. Coating, laminating and other methods can be used to enhance the waterproof and antibacterial properties of non-woven fabrics.
6. Inspection and packaging: Conduct quality inspection on the completed hot air non-woven fabric to ensure compliance with relevant standards and requirements. By winding, cutting and other methods, the non-woven fabric is rolled into rolls or cut into sheets of different specifications and sizes, and then packaged.
How to choose high-quality hot air non-woven fabric?
To choose high-quality hot air non-woven fabric, it is necessary to first understand the characteristics and uses of hot air non-woven fabric, so as to choose the most suitable product according to your own needs. Below, I will introduce how to choose high-quality hot air non-woven fabrics from the aspects of raw material selection, production process, quality standards, and brand reputation.
Firstly, the selection of raw materials is one of the important factors affecting the quality of hot air non-woven fabrics. High quality hot air non-woven fabrics generally use polypropylene (PP) or polyester (PET) as the main raw materials, which have excellent heat resistance, corrosion resistance, and wear resistance, ensuring the service life and stability of hot air non-woven fabrics. In addition, manufacturers also need to strictly control the selection and quality of raw materials to avoid using inferior materials that may lead to substandard product quality.
Secondly, the production process is one of the key factors determining the quality of hot air non-woven fabric. The production process of high-quality hot air non-woven fabric requires the use of advanced non-woven fabric production equipment and processes to ensure the hot melt between fibers and the uniform blowing of hot air, as well as the firmness and softness of the finished product. At the same time, strict control of temperature, pressure, and speed parameters is required during the production process to ensure stable quality and excellent performance of hot air non-woven fabric products.
Thirdly, quality standards are an important basis for evaluating the quality of hot air non-woven fabric products. Excellent hot air non-woven fabric products usually comply with relevant national or industry standards, such as China’s national standard GB/T5456-2017 for non-woven fabrics. These standards include physical performance indicators, chemical performance indicators, environmental friendliness, and other aspects of the product. Consumers can refer to these standards when choosing hot air non-woven fabric products to judge the quality and reliability of the product.
Brand reputation is also an important reference factor for choosing high-quality hot air non-woven fabrics. Famous hot air non-woven fabric brands usually have good product quality and after-sales service. Consumers can understand the brand’s reputation and word-of-mouth by consulting relevant reviews, online store ratings, and user reputation. In addition, consumers can also choose qualified brands and manufacturers to purchase hot air non-woven fabric products, to avoid purchasing inferior products that may result in poor performance.
Overall, with the continuous progress of textile technology, the production process of hot air non-woven fabric is also constantly innovating, bringing new opportunities and challenges to the development and application of the non-woven fabric industry. I hope the above content can be helpful for you to understand the production process of hot air non-woven fabric.
Dongguan Liansheng Nonwoven Fabric Co., Ltd., a manufacturer of non-woven fabrics and non-woven fabrics, is worthy of your trust!
Post time: Jun-16-2024