Short-fiber geotextiles are generally more flexible in slope protection projects, facilitating construction and maintenance with minimal impact on the environment. They are usually applied in dike and waterway projects of large rivers and lakes where there is no wave load.
Today, we will popularize the classification of commonly used masks on the market and the composition of non-woven fabrics in masks. First of all, the commonly used masks on the market are divided into two major categories: flat masks and three-dimensional masks. Below, we will find two actual pictures to show you.
When it comes to flame-retardant nonwoven fabrics, many people are familiar with them. This is because with the development of the nonwoven fabric industry, nonwoven fabrics have become common products in our daily lives. For instance, the thermal insulation covers used in agricultural vegetable greenhouses are mainly made of needle-punched nonwoven fabrics. In winter, greenhouse insulation materials have shifted from straw to thermal insulation covers; however, these covers have a drawback: poor fire resistance. The emergence of flame-retardant nonwoven fabrics has effectively solved the fire hazard problem in vegetable greenhouses and general greenhouses. Below, I will explain the flame-retardant principle of flame-retardant nonwoven fabrics (Note: The original text contained a suspected typo "耐磨性燃烧原理，" which has been corrected to "flame-retardant principle" based on context). Compared with other nonwoven fabrics, flame-retardant nonwoven fabrics have higher high-temperature resistance, a higher melting point, and better sealing performance.
The impregnation method is one of the earliest manufacturing processes for nonwoven fabrics, and most early nonwoven products were produced using this method. Currently, this method is still used for producing some low-grade, low-cost products, such as various disposable finger wipes, adhesive interlining base fabrics for luggage linings, packaging materials, and agricultural thermal insulation materials.
Hydrophilic non-woven fabrics endow non-woven fabrics with a certain degree of hydrophilic (water-absorbing) effect, so they have been widely used. Currently, they are one of the non-woven fabric categories with the broadest applications. Next, we will introduce the four commonly used products for everyone.
As the name suggests, a shopping bag is a bag used for shopping. Currently, the main types of shopping bags available on the market include plastic shopping bags, non-woven shopping bags, paper shopping bags, and cotton-linen shopping bags. The newly released national standard for plastic shopping bags classifies plastic shopping bags into the following three categories:
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