ePTFE Filter Membrane

Based on expanded polytetrafluoroethylene technology, ePTFE Filter Membrane provides a high-performance filtration layer for advanced air purification systems. The expansion process creates a distinctive network of interconnected pores, giving the membrane a combination of high filtration capability and effective airflow characteristics. This structure can be engineered for different filtration requirements, making the material suitable for manufacturers producing high-efficiency air filters and specialized filtration assemblies. The naturally hydrophobic character of PTFE also helps the membrane maintain stable filtration behavior in environments where moisture can affect conventional materials. 

Product Introduction

ePTFE Filter Membrane is manufactured by expanding PTFE to create a network of interconnected fibrils and pores. This expanded structure produces a lightweight membrane with a high effective filtration surface and controlled permeability. The material can be laminated to different support layers to provide the mechanical properties required by specific filter designs. ePTFE Filter Membrane combines the characteristics of expanded PTFE with a highly developed porous structure for demanding air filtration applications. Its expanded construction makes it suitable for systems requiring a thin, durable, and chemically resistant filtration layer.

Depending on the intended application, the membrane can be produced in different grades, thicknesses, and configurations. It offers filter manufacturers a versatile material platform for developing reliable filtration products used in controlled, commercial, and technically demanding air treatment environments.

Product Parameters

Filter classH11H12H13H14U15U16

Basic weight

(g/㎡)

80±580±580±580±580±580±5
Thickness(mm)0.30±0.050.30±0.050.30±0.050.30±0.050.30±0.050.30±0.05
Efficiency(≥%)9599.599.9599.99599.999599.99995
Resistance(Pa)40±2095±20120±30150±30220±30250±30
Material saferyThe material itself is odorless and will not release B, P elements or other anions and cations during use.

Product Advantages

ePTFE Filter Membrane offers a combination of fine filtration, moisture resistance, and material stability. Its low surface energy can help limit dust adhesion, while the expanded structure provides useful permeability. The membrane can also be engineered with different backing configurations.

Advantages include:

  • Expanded PTFE microstructure

  • High effective filtration surface

  • Strong moisture resistance

  • Good chemical compatibility

  • Flexible composite construction

Product Applications

ePTFE Filter Membrane is suitable for industrial air cleaning, dust collection, ventilation systems, process air treatment, and specialized filtration equipment. Its hydrophobic filter membrane characteristics are valuable in environments where moisture exposure may affect conventional filtration materials. ePTFE Filter Membrane provides a material focused option for advanced air filtration products.

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