The Difference Between Polyester Non-woven Fabrics And Polypropylene Non-woven Fabrics

The difference between polyester non-woven fabrics and polypropylene non-woven fabrics mainly has the following points: relative density: the relative density of polyester is 1.38, and the relative density of polypropylene is 0.91, which is 40% lighter than cotton and 34% lighter than polyester. It is one of the lighter types of fiber taken. Hygroscopicity: polyester has little hygroscopicity, polypropylene is very small, and the moisture regain rate under general atmospheric conditions is close to zero. Heat resistance: polyester heat setting is good, its melting point is generally 250~280 °C, the glass transition temperature is 185 °C, and the processing temperature range is 120~250 °C. Light fastness: polyester has good light resistance, and it is exposed to the sun for 10 hours, and the intensity and color are almost unchanged. Corrosion resistance: polyester is resistant to acid and alkali corrosion, and does not absorb. Mechanical properties: polyester has high strength, good elasticity, fatigue resistance, wear resistance and pressure resistance, wrinkle resistance, suitable for clothing fabrics. The mechanical properties of polypropylene are poor, and it is not suitable for clothing fabrics. In general, polyester non-woven fabrics and polypropylene non-woven fabrics have obvious differences in density, moisture absorption, heat resistance, light resistance, corrosion resistance and mechanical properties. According to the specific application scenarios and needs, the appropriate non-woven material can be selected.