Description

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PTFE HEPA Filter Definition

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PTFE HEPA filter uses hot melt adhesive to replace traditional aluminum partitions, reducing weight and increasing filter area. The V-shaped pleated filter paper has a more uniform flow channel, reducing resistance and improving filtration efficiency. The flow channel is more uniform, reducing resistance and improving filtration efficiency.

Characteristics of PTFE Filter Materials:

Chemical Stability

PTFE is resistant to strong acids, strong alkalis and organic solvents, and is suitable for corrosive environments.

Hydrophobicity

Extremely low surface energy, with good water repellency and moisture resistance, suitable for use in environments with high humidity or possible contact with liquids.

Low Resistance

The microporous structure can reduce the initial pressure difference while ensuring filtration efficiency, thereby extending the service life of the product.

High Temperature Resistance

PTFE can be used for a long time at a high temperature of 260°C.

Product Features

PTFE HEPA Filter Features

Efficiency：
Grade	Filter Particles	Filter Effect	Standards
H13	≥0.3μm	≥99.99%	EN 1822/MERV18
H14	≥0.3μm	≥99.999%	EN 1822/MERV19
(DOP/PAO particle counting method)

PTFE HEPA Filter Application

Industry	Application	PTFE filter media suitability	Glass fiber filter paper applicability
Semiconductor/Chip	Clean room, Photolithography machine ventilation system.	Excellent (no metal precipitation, super high efficiency)	May release sodium/boron impurities (affecting yield)
Biopharmaceuticals	GMP workshop, Sterile filling line, Vaccine production.	High temperature sterilization, hydrophobic and mildew proof	Microorganisms are easy to breed after being damp
Hospital/Lab	Operating room, Negative pressure isolation ward.	Virus filtration (such as COVID-19)	HEPA level general protection
Nuclear Industry	Nuclear power plant, Chemical waste gas treatment (corrosion resistance requirements).	Radiation resistant, chemically stable	Long-term radiation may degrade fibers

PTFE HEPA Filter Application

Parameter Table

PTFE HEPA Filter Model

PTFE HEPA Filter Advantages

More even air distribution

The non-partition structure design reduces the turbulence of the airflow between the partitions, allowing the air to pass through the filter material more evenly, avoiding premature local blockage and extending the service life.

Lightweight

After removing the metal and paper partitions, the overall weight of the filter is greatly reduced, making it easier to install and maintain (especially suitable for ceilings or small spaces).

Stronger environmental adaptability

‌PTFE mini pleat HEPA air filter has no metal parts and is suitable for environments with acids, alkalis or organic solvents such as the chemical and nuclear industries.

Longer service life

The larger effective filtration area and uniform airflow distribution allow the filter to accommodate more particles at the same pressure difference, extending the replacement cycle.

No risk of partition falling off

When traditional baffle filters vibrate or age, the metal baffles may break or fall off, causing particle leakage.

Product Details and Profiles

Production Flow Chart

PTFE HEPA Filter Process

Selection and Maintenance

Selection

1. During the selection process, consider multiple factors, including actual cleanliness requirements, air volume, installation space, and the types of pollutants in the environment.

2. Filters of different specifications and performance parameters are suitable for specific scenarios. Selecting the appropriate product will maximize the filtration efficiency of the PTFE HEPA filter.

Maintenance

1. Regularly check the filter's operating status, including changes in resistance and damage to the filter media. When the resistance reaches the preset final resistance value, the filter should be replaced in time to ensure the filtering effect.

2. At the same time, the environment around the filter must be kept clean to prevent dust accumulation and affect its normal operation.