Air filters are made from a variety of materials, each designed for specific filtration purposes, such as removing dust, particles, allergens, odors, and gases. The materials used in air filters vary based on the type of filter and its intended application (e.g., HVAC systems, air purifiers, cleanrooms, industrial applications). Here’s a breakdown of common air filter materials:

Common Air Filter Materials

1. Fiberglass

   • Use: Widely used in HEPA filters and pleated filters.
   • Properties: Lightweight, durable, and efficient at trapping small particles.
   • Application: Common in residential, commercial, and industrial air filtration systems, including HVAC systems.

2. Polyester (Synthetic Fibers)

   • Use: Often used in pleated filters and media filters.
   • Properties: Durable, cost-effective, and resistant to moisture.
   • Application: Found in residential and industrial air filters, as well as HVAC systems.

3. Cellulose (Paper)

   • Use: Typically used in pleated filters and panel filters.
   • Properties: Relatively inexpensive but less durable than synthetic or fiberglass materials.
   • Application: Used in low to medium-efficiency filters in HVAC systems and some air purifiers.

4. Activated Carbon (Charcoal)

   • Use: Common in gas-phase filters and carbon filters.
   • Properties: Adsorbs odors, gases, and volatile organic compounds (VOCs).
   • Application: Used for air purification in environments where odor control or chemical filtration is needed (e.g., kitchens, industrial settings, or hospitals).

5. Electrostatic Media

   • Use: Used in electrostatic filters and ionic filters.
   • Properties: Uses an electrostatic charge to attract and trap particles, improving the efficiency of the filter.
   • Application: Found in both residential and commercial air purifiers, often used to capture fine dust, smoke, and allergens.

6. Polyurethane Foam

   • Use: Used in foam filters.
   • Properties: Soft, flexible, and capable of trapping larger particles.
   • Application: Common in HVAC filters, industrial filtration, and applications requiring easy-to-clean filters.

7. Metal Mesh

   • Use: Used in washable filters and coarse filters.
   • Properties: Durable and washable, suitable for capturing larger particles like dust and debris.
   • Application: Common in industrial, automotive, and commercial air filtration systems.

8. HEPA (High-Efficiency Particulate Air) Materials

   • Use: Typically uses fiberglass or synthetic fibers woven into a dense mat to form a highly efficient filter.
   • Properties: Extremely effective at trapping particles as small as 0.3 microns (99.97% efficiency).
   • Application: Used in cleanrooms, hospitals, laboratories, and high-precision environments where contaminant control is critical.

9. ULPA (Ultra Low Particulate Air) Materials

   • Use: Similar to HEPA filters but with a higher efficiency.
   • Properties: Made from highly dense fiberglass or synthetic fibers to trap even smaller particles (down to 0.12 microns).
   • Application: Used in highly sensitive environments like semiconductor manufacturing, biotechnology, and pharmaceutical production.

10. Wire Mesh

    • Use: Used in dust collectors and coarse filters.
    • Properties: Made from metals like stainless steel, this material is strong, durable, and used to filter large particles.
    • Application: Common in industrial and HVAC applications where coarse particle removal is required.

11. Melt-Blown Polypropylene

    • Use: Used in high-efficiency filters and pre-filters.
    • Properties: Offers excellent particle filtration, often used in combination with other materials for multi-stage filtration.
    • Application: Common in industrial filtration, cleanrooms, and certain air purifiers.

12. Pleated Paper

    • Use: Common in HVAC filters.
    • Properties: Provides a large surface area for filtering and is cost-effective.
    • Application: Found in residential HVAC systems and light industrial filtration.

Specialty Air Filter Materials

1. Silica Gel

   • Use: Used in desiccant filters for moisture control.
   • Properties: Absorbs moisture from the air, commonly used in environments where humidity control is crucial.
   • Application: Used in cleanrooms, food processing, and pharmaceutical environments.

2. Ceramic Filters

   • Use: Used in high-temperature filtration applications.
   • Properties: High resistance to heat, capable of filtering at high temperatures.
   • Application: Industrial applications, especially in processes that involve high heat, like power plants and chemical processing.

Shenzhen ZhongJian South Environment Co., Ltd was founded in 2003.

Which is the only high-tech technology company in Southern China with CNAS certification

We are mainly engaged in Designing Manufacturing, Testing & Verification, Manufacturing Processes and Quality Control, Engineering & Installation and After-Sale Service of clean room and devotes to control and treatment of air PM2.5, formaldehyde, benzene, VOC and other toxic and hazardous substances.

Our main clean room products and equipment include air filter, air shower/cargo shower room, high efficiency air outlet, FFU, AMC chemical filter.

We serve chip microelectronics, data centers, chemical laboratories, new energy, medical devices, pharmaceutical manufacturing, food and beverage, cosmetics, biotechnology, precision instruments, aerospace and other industries. The business fields involve clean room products and equipment, air micro-pollution services, clean design and installation, including household fields, commercial fields, industrial fields and animal husbandry fields.

We won good reputation in this industry. Products and services are highly acknowledged and recommended by customers, we hold strong influence and competitiveness in the market as well. With the mission of being the leading enterprise in Control and Treatment of Air Micro-Pollution, We strive for the leapfrog development of products, technologies and services in Spirit of The Pioneering, Innovative, Combatant and Progressive. We would constantly bring forth new ideas in the innovation and development with protection and sustainable China's environment.