Effect of Number of Web Layers on Properties of Needle-Punched Polyester Nonwoven Fabric

This examination is planned to build up a comprehension of the impact of the number of web layers on the qualities of needle-punched polyester nonwoven fabric. Three diverse needle-punched nonwoven fabric tests were fabricated by fluctuating number of layers viz. 6, 8, and 10 with the end goal that the resultant areal density of fabric stays steady. Needle punched nonwoven fabric was fabricated from polyester staple fiber of length 80 mm. Other machine parameters like punch density (180 punches/cm2) and depth of penetration (8mm) were kept consistent. Exploratory outcomes demonstrate that with an expansion in the number of layers there is bit by bit increment in fabric thickness yet the porosity and air permeability diminishes. Be that as it may, fiber orientation turns out to be more arbitrary which is fundamental for powerful filtration execution of the fabric. There is no impact of an adjustment in the number of layers on the mechanical properties of the fabric. An example of having 10 layers has a superior filtration trademark that shows ideal thickness with wanted porosity and permeability with the same areal density as that of different examples.