The core differences of PP spunbond nonwoven fabric with different weight are concentrated in three dimensions: physical properties, applicable scenarios, and procurement costs. Based on your previous selection needs, the specific differences are as follows:
1、 Core performance differences
1. Low weight (9-30g/㎡): The fabric is lightweight, highly breathable, with low tensile strength, overall soft feel, light weight per unit area, and almost no stiffness.
2. Medium weight (30-80g/㎡): Balanced performance, balancing breathability and tensile strength, flat and uniform fabric surface, with basic stiffness, making it the most widely used mainstream range in the market.
3. High weight (80-150g/㎡): The fabric surface is thick, with high tensile and tear strength, strong load-bearing capacity, and good stiffness. Some high weight products have a harder hand feel and are more difficult to fold and store.
2、 Differences in applicable scenarios
1.9-30g/㎡: Communication cable core wrapping, disposable mask surface, agricultural ultra-thin seedling covering cloth, only suitable for extremely lightweight wrapping and protective scenarios.
2.30-80g/㎡: ordinary shopping bags, medical isolation gowns, diaper surface, home bed sheets, are the main selection range for daily civilian and conventional sanitary materials.
3.80-150g/㎡: Suitable for industrial scenarios that require high load-bearing and wear resistance, including load-bearing shopping bags, geotextiles, automotive interiors, and engineering protective materials.
3、 Cost and processing differences
The higher the weight, the more raw materials are consumed per square meter, and the purchasing unit price increases synchronously. Although the ton price of 120g/㎡ products is close to that of low weight products, the cost per square meter is six times that of 20g/㎡ products.
2. Fabrics with excessive weight (>120g/㎡) will become harder, and the heat sealed edges are prone to brittleness and cracking, requiring higher adaptability for downstream bag making and laminating equipment.
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