Exploring the Fire Resistance of Polyester Fiber Nonwoven Fabrics for Electrical SystemsIndustry Background and Market DemandThe demand for fire-resistant materials in electrical systems has surged due to stringent safety regulations and the growing complexity of power distribution networks. Polyest...

Key Benefits of Using Polyester Fiber Nonwoven Fabric for Electrical InsulationIndustry Background and Market DemandThe demand for reliable electrical insulation materials continues to grow as industries such as power generation, automotive, aerospace, and consumer electronics require higher efficie...

Polyester Fiber Nonwoven Fabric: Essential for Protecting Electrical ComponentsIntroductionPolyester fiber nonwoven fabric has become an indispensable material in the electronics industry, particularly for protecting sensitive electrical components. Its unique properties, including durability, therm...

Optimizing the porosity of flame-retardant nonwoven fabrics requires systematic control from three dimensions: fiber characteristics, web-forming process, and consolidation method. Fiber fineness and length are fundamental factors affecting porosity. Finer fibers form a denser network structure, reducing the average pore size; while longer fibers increase pore connectivity through entanglement. By adjusting the fiber crimp and cross-sectional shape (e.g., hollow or irregular cross-sections), the spatial arrangement of fibers during stacking can be altered, thereby precisely controlling the porosity distribution. Mixing fibers with different properties (e.g., coarse-fine blends or long-short fiber composites) can achieve a tiered pore distribution, meeting the requirements of specific applications for air permeability and filtration accuracy.

The flame-retardant mechanism of flame-retardant nonwoven fabrics for electrical applications is mainly based on the synergistic effect of chemical and physical flame retardancy. Chemical flame retardancy is achieved by adding flame retardants to polyester fibers. Common flame retardants include phosphorus-based, nitrogen-based, and halogen-based compounds.