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| OEM | OEM Services Provided |
| Feature | Easy to Use Eco-friendly |
| Classification | PTFE Micronized Powder |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
Fluorinated organic electret powder, fluorinated organic electret materials are widely used in the field of high-efficiency and low-resistance air filtration materials. Electret air filtration materials require high density of material charge storage, long life and high stability. The raw materials used as electrets require excellent dielectric properties, such as high volume resistance and surface resistance, high dielectric breakdown strength, low moisture absorption and air permeability. Electret materials can be divided into inorganic electrets, organic electrets and bio-electrets.
White powder
The main electrostatic electret methods for air filtration materials are corona discharge, friction electrification, electrospinning, thermal polarization and low-energy electron beam bombardment.
The charge storage function of fluorinated materials is very excellent, with good dielectric properties, uniform micropore distribution, increased PP electrostatic adsorption capacity, and can effectively extend the charge storage time, suitable for 95 and 99 levels.
| Category | Details |
|---|---|
| Composition | – Base: Perfluoropolyether (PFPE) backbone with polar functional groups |
| – Additives: Charge-stabilizing nanoparticles (1–5% by weight) | |
| Physical Properties | – Appearance: Clear viscous liquid |
| – Density: 1.9 g/cm³ (25°C) | |
| – Viscosity: 500–1.500 cP (25°C) | |
| Key Features | – Charge Stability: >95% retention after 1.000 hours (85°C/85% RH) |
| – Dielectric Strength: 50 kV/mm (ASTM D149) | |
| – Thermal Stability: -50°C to +220°C | |
| Applications | – Air Filtration: HEPA/ULPA filter media and respirator masks |
| – Energy Storage: Electret capacitors and dielectric elastomers | |
| – Sensors: Pressure-sensitive diaphragms and acoustic devices | |
| Recommended Dosage | – Nonwovens: 0.5–2% owf (on weight of fiber) |
| – Polymers: 1–5% by weight (e.g., PTFE, PVDF) | |
| Storage | – Conditions: Sealed container, <30°C; shelf life 12 months |
| Packaging | – Formats: 1L/5L HDPE bottles, 20L plastic drums (nitrogen-purged) |
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