Non Woven Filter Fabric

Polypropylene (PP) spunbond non-woven filter fabric is widely used in filtration due to its excellent chemical resistance, hydrophobic nature, and durability. This fabric is created from polypropylene, a thermoplastic polymer, through the spunbond or meltblown process, resulting in a non-woven material ideal for capturing fine particles in both air and liquid filtration.

Key Features of PP Non-Woven Filter Fabric

  • High Filtration Efficiency: Known for its ability to filter fine particles and contaminants, especially when made with meltblown techniques.

  • Chemical and Moisture Resistance: PP is resistant to many chemicals and does not absorb moisture, which is valuable in the filtration of both liquids and gases.

  • Lightweight but Strong: The fabric’s structure provides strength without adding significant weight.
  • Cost-Effective: Polypropylene is generally affordable, making it a cost-effective option for large-scale filtration applications.
  • High Porosity: It has a porous structure that allows for efficient airflow or fluid flow.
  • Good Filtration Efficiency: It can effectively capture particles of various sizes, depending on the fabric’s weight and density.
  • High Tensile Strength: It’s strong and durable, ensuring long-lasting performance.
  • Chemical Resistance: It’s resistant to many chemicals, making it suitable for various filtration applications.

  • Thermal Resistance: It can withstand high temperatures, making it suitable for high-temperature filtration processes.

  • High Strength and Durability: The spunbond process produces a strong fabric, making it resistant to tearing and wear, even under mechanical stress.
  • Water Resistance: PP is naturally hydrophobic, providing moisture resistance, which is beneficial in certain filtration applications.
  • Durability: Non-woven filter fabrics are known for their durability, making them suitable for various applications, from air and liquid filtration to medical and industrial uses.
  • Strength: Non-woven filter fabrics are designed to provide exceptional strength, making them a reliable choice for various filtration needs. Their key attributes are High Tensile Strength, Tear Resistance, Puncture Resistance, Load-Bearing Capacity, and elastic Recovery.
  • Flexibility: Non-woven filter fabrics are not only strong but also remarkably flexible, making them adaptable to a wide range of applications. This flexibility stems from their unique manufacturing processes and fiber properties.

  • Ease of Installation: Non-woven filter fabrics are valued not only for their durability and strength but also for their ease of installation. This user-friendly aspect simplifies their application in various industries, reducing labor and time while enhancing efficiency.

Common Applications

Air Filtration:

Air Filters for HVAC Systems: Used to remove dust, pollen, and other airborne particles.

Industrial Air Filtration: Used in various industrial processes to filter out harmful contaminants.

Liquid Filtration:

Water Filtration: Used in water treatment processes to remove impurities and sediments.

Chemical Filtration: Used to filter chemicals and solvents in various industries.

Medical Filtration:

Surgical Masks: Used to filter out bacteria and viruses.

Medical Gowns: Used to protect healthcare workers from contamination.

Household Applications: Found in items like vacuum bags and disposable wipes where filtration and absorbency are required.

Agriculture and Horticulture: Applied as protective crop covers, it shields plants from insects and extreme weather while allowing airflow.

Key Benefits of Non-Woven Filter Fabric

Non-woven filter fabrics offer several benefits, making them widely used in filtration applications across various industries. Here are the key benefits:

  1. High Durability and Strength

The spunbond process creates a strong fabric with excellent tensile strength, resistant to tearing and wear.

This durability makes it suitable for applications that require repeated use or exposure to mechanical stress.

  1. Lightweight and Comfortable

PP spunbond fabric is lightweight, making it comfortable for use in wearables like masks and protective clothing.

The material doesn’t add bulk, making it easy to handle and apply in various settings.

  1. Effective Filtration Capabilities

Its uniform structure allows for efficient trapping of particles, making it suitable for filtering dust, pollen, bacteria, and other contaminants.

While it’s breathable, it can achieve a good balance between filtration efficiency and airflow.

  1. Water- and Moisture-Resistant

Polypropylene is naturally hydrophobic, meaning it repels water rather than absorbing it.

This property is ideal for medical and hygiene applications, as it prevents moisture buildup that could compromise hygiene and comfort.

  1. Chemical Resistance

PP has good resistance to many chemicals, ensuring a longer lifespan in harsh or chemically active environments.

It maintains its integrity without breaking down, making it reliable in industrial and commercial filtration applications.

  1. Cost-Effective

Polypropylene is generally affordable, making spunbond non-woven fabric a cost-effective option for large-scale applications.

Its durability and reusability also reduce replacement costs over time.

  1. Eco-Friendly Options

PP spunbond fabric can be made with recyclable polypropylene, allowing for options that reduce environmental impact.

In some cases, it can be reused, or at the end of its lifecycle, recycled, depending on local regulations.

  1. Customizable

PP spunbond fabric can be manufactured in different weights, colors, and densities to meet specific needs.

It’s adaptable to both single-use products (like disposable masks) and long-term applications (like reusable air filters).

FAQs About Non-Woven Filter Fabric

What is Non-Woven Filter Fabric?

Non-woven filter fabric is a type of synthetic fabric made from fibers that are bonded together through chemical, mechanical, or thermal processes, rather than weaving or knitting. It is commonly used in filtration applications due to its porous structure, which allows air, liquid, or gases to pass through while trapping particles.

What are the main uses of Non-Woven Filter Fabric?

Non-woven filter fabric is used in a wide range of filtration applications, including:

Air filtration (e.g., HVAC systems, respirators)

Water filtration (e.g., industrial, municipal water treatment)

Liquid filtration (e.g., oil filtration, food and beverage production)

Dust collection (e.g., industrial processes)

Automotive filters (e.g., cabin air filters, oil filters)

What materials are used in Non-Woven Filter Fabric?

Common materials used in non-woven filter fabric include:

Polypropylene (PP)

Polyester (PET)

How is Non-Woven Filter Fabric made?

Non-woven filter fabric is produced through various methods such as:

Spunbonding: Continuous filament fibers are extruded and laid down in a web pattern.

How long does Non-Woven Filter Fabric last?

The lifespan of non-woven filter fabric depends on the material used, the environment, and the application. Typically, it can last from a few months to several years, but it may need to be replaced when its filtration efficiency drops or when it becomes physically damaged.

Can Non-Woven Filter Fabric be washed or reused?

Some non-woven filter fabrics, especially those made of synthetic materials like polyester, can be cleaned and reused, but they may lose their filtering properties over time. Always follow the manufacturer’s maintenance and cleaning guidelines.

What factors affect the performance of Non-Woven Filter Fabric?

Several factors influence the fabric’s filtration performance, including:

Pore size: Affects the size of particles that can be filtered.

Fiber density: Higher density leads to better filtration but reduced flow.

Material type: Different fibers offer varying degrees of resistance to chemicals and temperature.

Thickness: A thicker fabric can filter more particles but may reduce airflow.

Is Non-Woven Filter Fabric eco-friendly?

Non-woven filter fabrics made from natural fibers or recyclable materials like polypropylene can be eco-friendly. However, some non-woven fabrics made from synthetic materials may not be biodegradable. It’s important to check for recycling options or select biodegradable options when choosing filter fabrics for eco-conscious applications.

Specification of Non-Woven Filter Fabric

Weight (GSM)

10–30 GSM: Lightweight, suitable for wrapping and protective covers.

30–80 GSM: Medium-weight, commonly used for reusable shopping bags and padded envelopes.

80–150 GSM: Heavier nonwoven fabrics for applications requiring more durability, such as insulated packaging and agricultural bags.

Colour

Gray & Custom as per requirement

Width

1.6, 3.2 or as per request

Length

as per requirement

Packaging Type

Roll From

Material

Polyester/Polypropylen