High Voltage Resistant O-Rings for EV Batteries - Fluororubber FKM/FFKM Electrolyte Proof,Lithium Battery Sealing O-Rings - Acid/Alkali Resistant for BESS & Electric Vehicles

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xAdvanced Sealing Solutions for Next-Generation Energy Storage Systems
Our high-performance FKM/FFKM O-rings are specifically engineered to meet the extreme demands of electric vehicle batteries and energy storage systems (BESS). These electrolyte-resistant seals provide unmatched protection against high voltage, corrosive chemicals, and thermal stress - ensuring long-term reliability in the most challenging applications.
Critical Performance Features
✔ Ultra-High Chemical Resistance
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Withstands lithium-ion battery electrolytes (LiPF6, LiTFSI)
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Resists acid/alkali solutions (pH 1-14)
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Compatible with coolant fluids (glycol-based)
✔ Extreme Environment Durability
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Temperature range: -40°C to +200°C (-40°F to +392°F)
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Voltage resistance: Up to 1000V DC applications
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Compression set: <15% @ 150°C after 1000h
✔ Material Superiority
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FKM (Viton®): Cost-effective balance for most EV applications
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FFKM (Perfluoroelastomer): Ultimate protection for extreme conditions
✔ Precision Engineering
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Complies with AS568, ISO 3601, DIN 3771 standards
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Available in standard and custom profiles
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Cleanroom packaged for contamination-sensitive applications
Industry-Proven Applications
Electric Vehicles:
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Battery module sealing
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Charging port connectors
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Motor cooling systems
Energy Storage (BESS):
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Power conversion equipment
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Battery rack enclosures
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Thermal management systems
New Energy Infrastructure:
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Charging station components
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Solar power storage
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Hydrogen fuel cell systems
Why Our Seals Outperform?
✅ Third-Party Tested - Validated against UL 94V-0, IEC 60730 safety standards
✅ Traceable Materials - Full RoHS, REACH, IMDS documentation available
✅ Custom Solutions - Tailored formulations for:
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Low gas permeability requirements
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Ultra-low temperature flexibility
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Reduced friction coefficients