Products

Three platforms. Infinite specifications.

Every SELENE product is available as a stock specification or a fully custom engineered solution — tuned to your program's exact acoustic, thermal, chemical and mechanical envelope.

Platform 01

Micro Electronic Vents Membrane

Ultra-thin ePTFE membranes engineered for pressure equalization, waterproofing and acoustic transparency across the world's most demanding consumer, automotive and industrial electronics.

Acoustic Vents — Mic
SEL-AV

Acoustic Vents — Mic

Precision-tuned acoustic membranes protecting MEMS microphones while preserving full-spectrum sound transparency.

Key features
  • ·Ultra-low insertion loss (<1.5 dB)
  • ·IP67 / IP68 water & dust protection
  • ·Oleophobic anti-contamination surface
Applications
  • Smartphones
  • TWS earbuds
  • Wearables
  • Smart speakers
Thickness
18–35 µm
Airflow
0.4–3.0 L/hr/cm²
Water entry
≥ 3.0 m
Automotive Vents
SEL-AT

Automotive Vents

OEM-qualified pressure equalization for headlamps, ECUs, sensors and EV battery packs — validated across full automotive temperature and vibration envelopes.

Key features
  • ·AEC-Q qualified constructions
  • ·−40 °C to +125 °C operating range
  • ·Chemical resistance to fuels & fluids
Applications
  • EV battery packs
  • ECU / BMS enclosures
  • Headlamps
  • ADAS sensors
Airflow
50–1500 mL/min
Burst pressure
≥ 200 kPa
Lifetime
15+ years
MEMS Protective
SEL-MP

MEMS Protective

Sub-25 micron protective membranes for MEMS sensors — barometric, gas, humidity and pressure — with class-leading gas transmission.

Key features
  • ·High gas & vapor transmission
  • ·Solvent & particulate barrier
  • ·Reflow-compatible constructions
Applications
  • Barometric sensors
  • Gas sensors
  • Humidity sensors
  • Wearable health
Pore size
0.2–1.0 µm
Response time
< 3 s
Temp
−40 to +150 °C
Press Vents for Portable Electronics
SEL-PV

Press Vents for Portable Electronics

Adhesive-backed press-fit vents engineered for high-volume assembly of sealed portable devices — no welding, no thermoforming.

Key features
  • ·Peel-and-place assembly
  • ·PSA options for polymer & metal
  • ·Consistent airflow lot-to-lot
Applications
  • Smartphones
  • Tablets
  • Action cameras
  • Handheld medical
Diameter
3–15 mm
Adhesion
> 15 N/25 mm
IP rating
IP67 / IP68
Humanoid
SEL-HM

Humanoid

Vent, membrane and skin-composite solutions engineered for humanoid robotics — actuator breathing, tactile sensing and IP-rated joint sealing.

Key features
  • ·Actuator pressure equalization
  • ·Tactile-transparent membranes
  • ·Sealed joint & servo protection
Applications
  • Humanoid actuators
  • Robotic hands
  • Servo housings
  • Sensor arrays
Compression
20–60 %
Flex cycles
> 1M
Temp
−20 to +90 °C
Platform 02

Hydrogen Mobility Proton Exchange Membrane

Reinforced perfluorosulfonic acid (PFSA) membranes engineered for automotive PEM fuel cell stacks — delivering exceptional proton conductivity, mechanical durability and long stack lifetime.

PEM — Automotive Stack
SEL-PEM

PEM — Automotive Stack

Ultra-thin reinforced PEM designed for high-power-density automotive fuel cell stacks with best-in-class hydrogen crossover and chemical stability.

Key features
  • ·Reinforced ePTFE composite backbone
  • ·Ultra-low hydrogen crossover
  • ·Extended chemical & mechanical durability
Applications
  • Fuel cell vehicles
  • Heavy-duty trucks
  • Buses
  • Stationary power
Thickness
8–20 µm
Conductivity
> 0.1 S/cm
Durability
> 30,000 h
Catalyst Coated Membrane (CCM)
SEL-CCM

Catalyst Coated Membrane (CCM)

Precision-coated CCM assemblies with tunable Pt loading and integrated subgaskets, ready for MEA integration at scale.

Key features
  • ·Low & ultra-low Pt loadings
  • ·Integrated subgasket options
  • ·High-yield roll-to-roll production
Applications
  • MEA manufacturing
  • Automotive stacks
  • Portable fuel cells
Pt loading
0.05–0.4 mg/cm²
Active area
up to 500 cm²
Uniformity
±3 %
Platform 03

Microgen Filtration Membrane

Expanded PTFE filtration membranes with tunable porosity from 0.02 to 20 microns — trusted for pharmaceutical, semiconductor, industrial venting and life-science filtration.

Microgen Liquid Filtration
SEL-MGL

Microgen Liquid Filtration

Hydrophilic and hydrophobic ePTFE membranes engineered for pharmaceutical, semiconductor and biotech liquid filtration.

Key features
  • ·Chemically inert across pH 0–14
  • ·Low protein binding
  • ·Sterilizable by autoclave & gamma
Applications
  • Pharmaceuticals
  • Semiconductor chemicals
  • Bio-processing
  • Ultrapure water
Pore size
0.05–1.0 µm
Bubble point
> 350 kPa
Temp
up to +180 °C
Microgen Gas & Sterile Vent
SEL-MGV

Microgen Gas & Sterile Vent

Sterile vent membranes for tank breathing, bioreactor vents and pharmaceutical process gases — hydrophobic, autoclavable, high flow.

Key features
  • ·0.2 µm sterile-grade retention
  • ·High airflow, low pressure drop
  • ·Hydrophobic barrier to liquids
Applications
  • Bioreactor vents
  • Tank breathing
  • Sterile packaging
  • Pharma process
Pore size
0.1–0.45 µm
Airflow
> 25 L/min/cm²
WEP
> 1200 mbar