Silicone Potting for Batteries - E-bikes, Cars, Drones & Quadcopters
Professional Silicone Potting for Lithium Batteries - E-bikes, Electric Cars, Drones & Quadcopters Lithium batteries in electric bicycles, electric cars, drones, and quadcopters require optimal protection against moisture, vibration, shock, and temperature fluctuations. At Silicones and More, we supply high-quality silicone potting compounds from Wacker and CHT – specially developed...
✔ One component acid-based curing system.
✔ Self-leveling.
✔ Excellent adhesion on various surfaces
✔ Colorless transparent or Black
✔ Good mechanical properties
✔ Heat resistant
✔ Resistant to weather influences and aging
✔ Permeable to gas and water vapor
✔ Self-levelling
✔ Solvent containing
✔ Excellent adhesion on cured silicone rubber
✔ High-tear grade
✔ Recommended service temperature from -45°C to 180°C
✔ Max. recommended short term peak temperature exposure 200°C
✔ Flexible, Crystal Clear
✔ Suitable for potting
✔ Shore A 25 (Medium Hard)
✔ Low shrinkage (<0.1%)
✔ 130 minutes of working time
✔ Mixing ratio (Weight) 100: 100
✔ Food grade
✔ One component acid-based curing system.
✔ Self-leveling.
✔ Excellent adhesion on various surfaces
✔ Colorless transparent
✔ Good mechanical properties
✔ Heat resistant
✔ Resistant to weather influences and aging
✔ Permeable to gas and water vapor
Pourable, addition-curing, two-component silicone rubber that vulcanizes at room temperature.
Main application: Making printing pads, food contact (FDA/ BfR compliant).
✔ Acetoxy-curing RTV-1 silicone
✔Low Shore A hardness
✔ Excellent adhesion without primer on many surfaces
✔ Good heat stability
✔ One component
✔ Immediately ready for use
✔ Also usable for FIPG/ CIPG
Pourable, addition-curing, two-component silicone rubber that vulcanizes at room temperature.
Main application: making molds for concrete castin., food contact (FDA/ BfR compliant).
✔ very good fluidity
✔ high reactivity
✔ fast and shrink-free curing at room temperature
✔ average Shore A hardness (approx. 31)
✔ high tear strength
✔ long-term stability of the hardness
✔ Increases the adhesion between condensation and addition curing silicone and various surfaces
✔ Used for Arresters, Cable Accessories, Insulators
✔Organic solvent, free of toluene and aromatic solvents
✔ High-quality silicone from Wacker
✔ Fast and non-shrink curing at room temperature
✔ Shore A 55
✔ Food safe (FDA / BfR compliant)
✔ High tear strength
✔ Stable mechanical properties
✔ Excellent resistance to casting resins
✔ Very good flowability and self-deaeration
✔ Low Shore A hardness (approx. 25)
✔ Excellent tear strength
✔ High elongation and flexibility
✔ Outstanding chemical resistance to attack by polyester and polyurethane resins, mold life is significantly extended
✔ Foam factor 6
✔ Hardness Shore C 4
✔ Open cell structure
✔ Mixing ratio (Weight) 100:100
✔ Working time 2 minutes
✔ Curing time 2 hours
✔ Density 0.193 g/cm³
✔ Easy to process due to low viscosity
✔ Fast and shrink-free curing at room temperature
✔ Low Shore A hardness (approx. 25)
✔ High elongation, excellent tensile strength
✔ Excellent tear strength
✔ Cured rubber is transparent and colourless
✔ Cartridges for Sulzer Mixpac™ DM 1500-01 Dispenser - 2K mixing system
✔ Consists of a cartridge with a pre-assembled cap and two separate pistons
✔ Made of Polypropylene plastic
✔ Foam factor 7
✔ Spreadable
✔ Hardness Shore C 5-10
✔ Flame retardant UL94-V0
✔ Open cell structure
✔ Mixing ratio (Weight) 100:100
✔ Working time 2 minutes
✔ Curing time 70 min @ 60°C
✔ Density 0.162 g/cm³
✔Antistatic surface
✔Good fluidity
✔High reactivity, even when large amounts of silicone oil are added
✔Fast and shrink-free curing at room temperature
✔Medium hardness (Shore A approx. 31)
✔Excellent mechanical properties
✔ Ideal for processing low to medium viscosity silicone
✔ Valveless and pulseless accurate metering
✔ Powerful 4 HP safe air duplex drive Highest output.
✔Glass clear graduated tanks
✔ Tank Low level audible alarm.
Professional Silicone Potting for Lithium Batteries - E-bikes, Electric Cars, Drones & Quadcopters
Lithium batteries in electric bicycles, electric cars, drones, and quadcopters require optimal protection against moisture, vibration, shock, and temperature fluctuations. At Silicones and More, we supply high-quality silicone potting compounds from Wacker and CHT – specially developed for encapsulating and protecting battery cells and electronics.
✓ Why Silicone Potting for Batteries?
Silicone potting provides essential protection for battery packs:
Moisture and water tightness - Prevents corrosion and short circuits
Thermal management - Optimal heat dissipation for a longer lifespan
Shock and vibration damping - Protects against mechanical stress
Electrical insulation - Prevents unwanted current flow
Fire retardant - Increased safety in case of thermal runaway
Flexibility - Compensates for thermal expansion
Chemical Resistance - Resistant to electrolytes and solvents
🎯 CHT & Wacker Product Line for Battery Potting
We supply specialized products from CHT and Wacker for professional battery applications:
CHT Silso Series - Industrial Battery Solutions
Silso Lite Foams - Lightweight foam solutions for thermal insulation and gap filling between battery cells
Silso Cool Thermal Pastes - Thermally conductive pastes for optimal heat dissipation to cooling plates and housings
Silso Bond High Performance Bonding - High-performance adhesives for attaching battery cells and BMS components
Silso Protect Gasketing - Professional sealing materials for waterproof battery housings
Wacker Elastosil Series - Premium Potting Compounds
Elastosil RT 620/623/625/629 - Different hardnesses for specific applications
Elastosil M 4600 Series - RTV-2 silicone for large battery packs
Closed Cell Silicone Foams - For gap filling and thermal insulation (2x to 6x foaming)
🎥 Watch the CHT Product Video
Discover the recommended CHT products for battery potting and industrial applications. This video discusses best practices and product recommendations for professional results.
Hardness - Shore A 10-70, depending on application
Operating Temperature - Typically -55°C to +200°C
Flame retardant - UL94 V0 or HB classification
Viscosity - For good penetration between cells (1,000-50,000 mPa·s)
Curing time - From 30 minutes to 24 hours
Mixing ratio - Usually 1:1 or 10:1 for easy processing
🔬 Processing advice for Battery Potting
Step-by-step process:
Preparation - Clean battery cells and housing, remove grease and dust
Primer (optional) - Apply primer for optimal adhesion to metal/plastic
Mixing - Use Sulzer Mixpac dispenser for precise mixing ratios
Bleeding - Remove air bubbles by vacuum or letting it stand
Pouring/Injecting - Apply potting compound between and over the cells
Curing - At room temperature or accelerated at 40-80°C
Testing - Check insulation and thermal properties
Tips for optimal results:
Work at 18-25°C for best flow properties
Use thermally conductive fillers for better heat dissipation
Choose closed cell foam for gap filling (prevents electrolyte absorption)
Always test on a small scale before production
Consider two-step potting: first gap filling, then full encapsulation
🌍 Why Choose Wacker & CHT Silicones?
✓ 70+ years of expertise in silicone technology
✓ Automotive grade quality - Meets strict industry standards
✓ Proven reliability - Used by leading EV manufacturers
✓ Wide temperature range - From -55°C to +200°C
✓ Excellent chemical resistance - Resistant to electrolytes
✓ Long lifespan - Minimal degradation over time
✓ Environmentally friendly - Low VOC emissions
🔒 Safety & Certifications
Our silicone potting materials meet international standards:
UL94 flame retardant classifications
RoHS compliant - Free from hazardous substances
REACH registered
FDA compliant (select products) - 21CFR 177.2600
Automotive specifications (AEC-Q200 compatible)
💡 Frequently Asked Questions
What is the difference between potting and conformal coating? Potting fills the entire space around components, while conformal coating provides a thin protective layer. For batteries, potting is more effective for thermal management and mechanical protection.
Which hardness should I choose? For gap filling: Shore A 10-30 (soft, flexible) For full encapsulation: Shore A 30-50 (medium) For structural support: Shore A 50-70 (hard)
Can I increase thermal conductivity? Yes, by adding thermally conductive fillers such as aluminum oxide or by using Silso Cool Thermal Pastes.
How do I remove silicone potting for repair? Silicone can be removed mechanically by cutting. For easier repair, you can choose softer compounds (Shore A 10-20).
📞 Technical Support
Do you have questions about choosing the right materials for your battery potting project? Our team is happy to help you with:
Product advice based on your specific application
Technical data sheets and safety information
Processing advice and best practices
Sample materials for testing
Support for production scale-up
Contact us for expert advice on silicone potting for your electric vehicle or drone project!
🏷️ Related Applications
Our silicone potting materials are also suitable for:
