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1. Designed to Repel Immersion
- Primary function – allows air passage while completely blocking liquid water.
- Hydrophobic membrane creates impenetrable barrier under immersion.
- Ensures enclosure remains dry and protected from water ingress.
2. Hydrophobic Membrane Technology
- Microscopic pore size – too small for water molecules to pass due to surface tension.
- Hydrophobic barrier actively repels liquid even under immersion pressure.
- Guarantees zero seepage into internal components.
3. Depth and Duration Ratings
- Specific submersion limits – typically rated for 1 meter of water for 30 minutes.
- Maintains watertight seal indefinitely within specified parameters.
- Ensures reliable performance under rated conditions.
4. Consequences of Exceeding Limits
- Exceeding rated depth/duration – external hydrostatic pressure may overcome membrane surface tension.
- Potential water breach in extreme scenarios.
- Under normal conditions and within limits, vent will never seep water.