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What is non-woven filter media?

  • Author:GUIDE TEXTILE
  • Source:GUIDE TEXTILE
  • Release on:2020-11-06
The filtration of air and water is essential to our health and safety. Filters come in various shapes and sizes, and can be made of woven or non-woven fabrics.

Woven fabrics are made by weaving single strands of materials such as monofilaments or fibrillated yarns on a loom. The production process of non-woven fabrics(China Filter Material Vendor) is to first bond fibers together in a sequential or random manner, and then bond The layers of the non-woven fabric(Non-woven Filter Material Factory) are bonded with the polymer to form a porous material suitable for filtration

Filtration Nonwovens Company, Non-woven Filter Material Factory, China Filter Material VendorFiltration Nonwovens Company, Non-woven Filter Material Factory, China Filter Material Vendor

SIX different methods of producing filter media

The method of manufacturing filter media mainly depends on the type of filtration required. There are six main methods, as follows:

1, carding method

The filter media of the carding machine is traditionally used for masks and filtering edible oil, coolant oil, and milk. Usually resin or thermal bonding is used, and this method is in some cases replaced by other methods described below.

2, wet method

Wet and wet filter media are used in swimming pool filters, coffee filters and high-efficiency particulate air filters. Their production process is similar to that of papermaking. On standard papermaking equipment, a mixture of man-made, natural or glass fiber short fibers forms a paper-like medium.

3. Melt blown method

Melt blown filter(Filtration Nonwovens Company) media is ideal for filtering particulates such as dust, asbestos, and smoke. This is a common type of filter in respirators and is easy to mass produce. It is formed without the use of fibers: instead, molten polymer is blown into a microporous mesh.

4. Spunbond method

Spunbond filter media is lightweight and can be used for air and liquid filtration. Just like melt-blown media, they do not need to use fibers, but are spun together from nylon, polyester or polypropylene. In addition, they are light weight and heat resistant.

5. Acupuncture

The manufacture of needle punched filter media is a mechanical process that involves the use of barbed felt needles to locate and interlock the fibers in the spunbond or carded web. The three-dimensional structure of the pinhole filter media is an ideal filter for capturing particles on the surface and inside. This is a commonly used type of filtration to clean, for example, influent and sewage.

6, compound method

Non-woven composite is a process of bonding multiple layers of non-woven materials and polymers into a composite material that combines the properties of each layer using different technologies. In the process of manufacturing filter media, stratification is ideal for heating, cooling, and ventilating homes, buildings, and automobiles.