Advanced 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

• Withstands lithium-ion battery electrolytes (LiPF6, LiTFSI)

• Resists acid/alkali solutions (pH 1-14)

• Compatible with coolant fluids (glycol-based)

✔ Extreme Environment Durability

• Temperature range: -40°C to +200°C (-40°F to +392°F)

• Voltage resistance: Up to 1000V DC applications

• Compression set: <15% @ 150°C after 1000h

✔ Material Superiority

• FKM (Viton®): Cost-effective balance for most EV applications

• FFKM (Perfluoroelastomer): Ultimate protection for extreme conditions

✔ Precision Engineering

• Complies with AS568, ISO 3601, DIN 3771 standards

• Available in standard and custom profiles

• Cleanroom packaged for contamination-sensitive applications

Industry-Proven Applications

Electric Vehicles:

• Battery module sealing

• Charging port connectors

• Motor cooling systems

Energy Storage (BESS):

• Power conversion equipment

• Battery rack enclosures

• Thermal management systems

New Energy Infrastructure:

• Charging station components

• Solar power storage

• 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:

• Low gas permeability requirements

• Ultra-low temperature flexibility

• Reduced friction coefficients

DZK seal Established in 2015, Xiamen De Zheng Kai Sealing Technology Co., Ltd. is a professional manufacturer of high-quality precision sealing components.Specializing in the production of various hydraulic and pneumatic sealing products. Its quality system certification has passed ISO 9001:2015, and the materials used comply with REACH and RoHS regulations. Accept customization and OEM production.