NEVSil™
Specialty Elastomers for
New Energy Vehicles
Silicones Enabling New Energy Vehicle Advancements by Momentive
The future of mobility is being redefined with the paradigm shift from traditional internal combustion technology to the steadily growing and continually evolving New Energy Vehicle (NEV) market. As a global leader Momentive is providing solutions to the New Energy vehicle market, we offer a comprehensive portfolio of silicone candidates for a wide variety of NEV applications!
NEVSil™ - Specialty Elastomers for New Energy Vehicles
Momentive's LSR and HCR based material technologies are engineering enablers, providing the ability to meet and exceed demanding application performance requirements NEV's today as well as tomorrow.
Potential Applications
NEVSil™ - Focus on UL94 V0 Applications
Flame retardant Liquid silicone rubber and heat cured silicone rubber technology offerings specifically developed and formulated to provide performance equivalent to UL94 V0.
Momentive's LSR and HCR based material technologies are engineering enablers, providing the ability to meet and exceed the demanding application requirements of today's NEV market.
Key Features and Benefits
- UL94 V0 flammability requirements (1mm thickness)
- Good mechanical properties
- Excellent heat resistance
- Low compression set
- Long pot life at ambient temperature
- UV Curable
- Self-lubricating technology available
NEVSil™ - Focus on Fuel Cell Sealing
NEVSil LSR technology portfolio developed for fuel cell sealing applications includes materials applicable for direct sealing on both the bipolar plate and MEA layer, depending on the particular fuel cell construction.
Key Features and Benefits
- Non post-cure
- Low Viscosity
- High reactivity
- Fast curing
- Low compression set
- Long pot life at ambient temperature
NEV Sealing Application Videos
NEVSil Portfolio Applications
NEVSil Fuel Sealing Application
NEVSil SLFRx0 Series: Self-ubricating UL94 V0 Flame resistant technology
NEVSil SLHRx0 Series: Self-lubricating High temp/Heat performance / Qualified in T5 (1008hr) Applications
Key Features and Benefits
- Self-lubricating
- Offerings meeting UL94 Vo
- Offerings qualified in T5 applications (1008hr)
- Low Viscosity
- High reactivity
- Fast curing
- Low compression set
Potential Applications
Multi-terminal or Mat-seals
Gaskets, seals, o-rings
Connectors
NEVSil™ - Focus on High Heat/High Temperature Performance
Specialized NEVSil HCR technology for use in stringent high temperature environments in which resistance to 300° C is required when catalyzed properly. The NEVSil "HTHR" series offers high temperature silicone rubber compounds in shore A hardness, ranging from 30 to 80 durometer.
Key Features and Benefits
- Outstanding mechanical properties
- Excellent heat resistance
- Low compression set
- Easily blendable to achieve varied durometers
Potential Applications
Boots
Gaskets, seals, o-rings
Battery Sealing
Molded Components
NEVSil™ - Focus on Thermally Conductive LSR
Specialized NEVSil LSR thermally conductive technology
The NEVSil "TC" series offers thermally conductive two-component LSR technology for injection molding. The series has been developed to be utilized in a convenient 1:1 mixing ratio and exhibits a high thermal conductivity.
Key Features and Benefits
- Excellent thermal conductivity
- Good processability
- High reactivity
- High stability and flexibility at low temperatures
- Low compression set
Potential Applications
Heat Transfer Pads
Heat Transfer Pads
Battery Sealing
Typical New Energy Vehicle (NEV) Applications
Battery Sealing
- Critical battery sealing applications
- EV battery cushioning
- UL94 V0 / Flammability Requirements
- EV battery Housing Sealing/Gasketing
-
Put-in-place
-
Overmolded W/washer
-
Foldable gasket
Fuel Cell Sealing Applications
- Sealing Bipolar plates (BPP)
- Sealing membrane electrode
- assembly (MEA)
Gaskets, seals, o-rings
- High temperature silicone rubber parts
- O-rings and gaskets
- Molded components
- Critical seals
- Applications requiring superior compression set and long-term heat stability performance
Other Momentive Brands used in Automotive
Silopren™ Liquid Silicone Rubber (LSR)
The Silopren LSR product family is a versatile class of liquid silicone rubbers.Silopren LSR is a two-component addition cured and pumpable silicone elastomer that can be molded and cured with fast cycle times. Key technology families housed under the Silopren tradename include:
- Silopren 3xxx Series: Self-Lubricating LSR technologies for Seals & Connectors
- Silopren LSR 27xx Series: Self-bonding technologies
- Silopren LSR 2xxx and 26xx Series: General Purpose LSR echnologies
- Silopren LSR 25xx Series: Low Viscosity LSR technologies
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New Energy Vehicle Trends
Electric Vehicles
Steady Adoption and growth of the EV sector
- Federal EV tax credits and subsidies
- New Attractive EV Models
- High gas/fuel prices
- Environmental benefits / Eco-friendly
- Increased public awareness
- Urbanization
Hydrogen Vehicles
Growing demand for clean power generation
- Green/Renewable energy
- High gas/fuel prices
- Environmental benefits / Eco-friendly
- Increased public awareness
- Stringent carbon emissions requirements Urbanization
Lithium-ion Battery Technology Advancement
Steady advancements in EV battery design
- Advancements in Li-ion battery technology
- Extended ranges >300 miles
- Cost reductions
- Solutions to temperature and heat buildup/dissipation
- Improved safety and reliability
- Rapid Charging
Regulatory
Regulatory
- Tightening emission regulations
- Environmental Impact
- Reduced Co2 Emissions
Innovation
Innovative designs
- 2-Component designs, reducing weight and incorporating sealing functionality
- Innovative material advancements
- Increased high and low temperature performance, increased flammability requirements and resistance
NEVSil Portfolio
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