| Customization: | Available |
|---|---|
| Material: | Organic Silicone |
| Application: | Household, Medical, Industrial, Agricultural |
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Introducing Potting Sealant Silicone - Reliable Protection, Flexible Power
In the dynamic realm of electronics, the integrity and longevity of components are critical to ensuring reliable performance. With electronic devices' increasing complexity and diverse environmental challenges, manufacturers and engineers constantly search for practical solutions to protect sensitive components. One of the most reliable methods is the use of silicone potting compounds. These materials provide an exceptional barrier against moisture, dust, chemicals, and mechanical stresses, enhancing the durability and reliability of electronic assemblies.
Silicone potting compounds are specialized materials that encapsulate and protect electronic components and assemblies. Made from silicone polymers, these compounds are often used in potting or encapsulation, where the compound is poured or injected around components to form a solid, protective layer. The result is a highly effective insulator shielding electronic parts from environmental factors, mechanical stress, and thermal fluctuations.
Thermal Stability
Withstands -65°C to +250°C (peak up to +300°C), ideal for extreme environments.
Chemical & Moisture Resistance
Resists oils, acids, solvents, and humidity, ensuring long-term protection.
Flexibility & Mechanical Stress Absorption
Remains pliable at low temperatures, preventing cracks under vibration/shock.
Superior Electrical Insulation
High dielectric strength prevents short circuits and enhances device safety.
Waterproof & Weatherproof - Forms a tight seal against moisture, dust, and environmental exposure.
Non-Corrosive & Non-Conductive - Safe for copper and sensitive components.
Platinum-Catalyzed Base - High purity, flexibility, and long-term durability.
Easy Application - Low shrinkage, odorless, and pourable for intricate designs.
Reliability: Protects electronics in harsh, high-humidity, or outdoor settings.
Versatility: Compatible with automotive, aerospace, marine, and industrial applications.
Safety: Meets stringent requirements for thermal, electrical, and mechanical stability.
| Parameter | Typical Value | Description |
| Type | Two-Part RTV Silicone (Platinum-Catalyzed) | Room temperature vulcanizing (RTV), non-corrosive, odorless |
| Mixing Ratio (by volume) | 1:1 (Part A: Resin / Part B: Hardener) | Simple and consistent for manual or machine mixing |
| Viscosity (Mixed) | 1,000 - 4,000 cP | Low viscosity for deep pouring and gap-filling |
| Pot Life (Working Time) | 30 - 60 minutes (at 25°C) | Time available before mixture begins to set |
| Cure Time (Initial) | 4 - 6 hours (at 25°C) | Touch-dry surface formation |
| Full Cure Time | 24 - 48 hours (at 25°C) | Time to complete mechanical and electrical cure |
| Hardness (Shore A) | 40 - 60 Shore A | Firm yet flexible, similar to an eraser |
| Dielectric Strength | ≥ 20 kV/mm | Excellent electrical insulation properties |
| Volume Resistivity | ≥ 1×10¹4 Ω·cm | High electrical resistance for circuit protection |
| Thermal Conductivity | 0.2 - 0.4 W/m·K | Helps dissipate heat from electronic components |
| Operating Temperature Range | -65°C to +250°C (peak to 300°C) | Wide stability for harsh industrial environments |
| Shrinkage (Linear) | < 0.2% | Minimal shrinkage ensures form retention and seal integrity |
| Flame Retardancy | UL 94 V-0 (optional grade) | Available in flame-retardant formulations upon request |
| Color (Cured) | Opaque / Translucent / Custom | Visual inspection or cosmetic matching |
| Adhesion | Good adhesion to metals, plastics, ceramics | No primers required for many substrates |
| Storage Conditions | Cool, dry place (5-25°C), sealed container | Shelf life: 6-12 months (unopened) |
Dachuang Kehua's advanced production workflow ensures superior quality and performance in every batch of potting adhesive.
Base Components: High-purity silicone resins, curing agents, and performance-enhancing additives (flame retardants, stabilizers, pigments)
Precision Formulation: Materials are weighed and mixed in exact ratios to achieve target properties:
Optimal viscosity
Temperature resistance (-50°C to 250°C)
Electrical insulation
Uniform Blending: High-shear mixing under controlled temperature/pressure
Additive Integration: Custom pigments, thickeners, or specialty fillers added as required
Bubble Elimination: Vacuum processing ensures defect-free consistency
Vacuum Chamber Treatment: Removes 99%+ of trapped air to prevent:
Electrical voids
Thermal hotspots
Mechanical weaknesses
| Method | Use Case | Key Benefit |
|---|---|---|
| Molding | Complex parts (sensors, auto parts) | Perfect dimensional accuracy |
| Automated Dispensing | High-volume electronic components | Precise control to millimeter level |
Room Temperature Cure: 24-72 hour process for stress-free hardening
Heat Accelerated Cure: 60-150°C oven curing (30min-4hr) for rapid turnaround
Dual-Cure Systems: UV-initiated + thermal completion for hybrid applications
Performance Enhancement: Secondary heat treatment improves:
30% greater tensile strength
Enhanced chemical resistance
Superior thermal stability
Electrical Testing: 100% dielectric strength verification
Thermal Analysis: DSC/TGA for temperature resistance validation
Mechanical Tests: ASTM D412/D624 compliance checks
Oxygen-Moisture Barrier Bags with desiccant
Precision Dispensing Options:
• Cartridges (50ml-300ml)
• Bulk pails (5kg-20kg)
• Custom pre-mixed dual-component kits
Climate-controlled storage (15-25°C)
Global shipping with real-time temperature monitoring
Why Our Process Matters:
Zero Defect Policy: 100% batch traceability
IATF16949/ISO9001 Certified production
Custom Engineering Support from R&D to delivery
This controlled manufacturing process ensures our potting adhesives deliver:
• 10+ year service life in harsh environments
• UL94 V-0 flame resistance
• IP68 waterproof protection
Dachuang Kehua - Innovative Silicone Solutions for Modern Industry Challenges
At Hangzhou Dachuang Kehua, we pioneer high-performance silicone solutions through cutting-edge R&D and precision manufacturing. Our comprehensive product range addresses the most complex industrial requirements with tailored material science.
Lightweight Sealing & Insulation Experts
Self-foaming technology - No external foaming agents required
Closed-cell structure - IP68-rated environmental protection
Flame-retardant variants - UL94 V-0 compliant options
Typical Applications:
▸ EV battery module sealing ▸ Industrial enclosure gaskets ▸ Aerospace vibration damping
Structural Integrity Meets Extreme Resistance
Ceramizing formulations - Withstand >1200°C flame exposure
Enhanced dielectric strength - Up to 25kV/mm insulation
Composite materials - Silicone-PTFE hybrids for unique properties
Typical Applications:
▸ High-voltage busbar insulation ▸ Turbine gaskets ▸ Automotive fire barriers
Precision Potting & Encapsulation Solutions
Self-leveling viscosity - Penetrates complex geometries
RTV cure chemistry - 1:1 ratio for simplified processing
Shock-absorbing formulations - 90% vibration damping efficiency
Typical Applications:
▸ Power electronics potting ▸ IoT sensor protection ▸ Military-grade component encapsulation
Delicate Component Protection Systems
Self-healing properties - Automatic repair of minor penetrations
Optical clarity grades - >92% light transmission
Ultra-low modulus - <0.1MPa for stress-free bonding
Typical Applications:
▸ Display panel cushioning ▸ Medical device interfaces ▸ Optical lens bonding
Application-Specific Formulations - Custom hardness, conductivity, and cure profiles
Industry Certifications - UL, RoHS, REACH, IATF 16949 compliant
Full Technical Support - From prototype to mass production
Engineered Silicone Solutions Powering:
Electric Vehicles | Aerospace Systems | Industrial Automation | Next-Gen Electronics
Let's develop your ideal silicone solution - contact our material engineers today.
Dachuang Kehua - Pioneering Silicone Material Innovations
As a leading high-tech enterprise, we unite elite silicone material experts to drive cutting-edge advancements through integrated R&D, production, and global sales. Our strategic collaborations with top research institutes and universities foster breakthrough innovations via joint laboratories and advanced research platforms.
We specialize in engineered silicone solutions for extreme performance:
Foamed Silicone - Lightweight sealing & cushioning
Thermally Conductive Silicone - Precision heat management
Silicone Potting Compounds - Robust electronic protection
High-Temperature Ceramicized Silicone - Fireproof insulation (1200°C+)
Specialty Silicone Adhesives - Advanced bonding solutions
Certified to IATF 16949 & ISO 9001 standards
UL/CUL UL157 certified with SGS-verified compliance
Meets EU RoHS 2.0 & REACH environmental regulations
Our materials enable innovation across critical sectors:
Transportation
▸ EV Batteries ▸ Charging Stations ▸ Aerospace ▸ High-Speed Rail
Energy & Infrastructure
▸ Energy Storage ▸ 5G Systems ▸ Outdoor Electrical ▸ Power Cabinets
Industrial & Consumer
▸ Drones ▸ Smart Appliances ▸ HVAC ▸ LED Lighting
Designed for demanding environments requiring:
✓ Environmental Sealing - IP68 waterproof/dustproof
✓ Thermal Management - 1-12 W/mK conductivity
✓ Fire Safety - V0 flame retardancy
✓ Durability - UV/chemical/weather resistance
✓ Precision Protection - Vibration damping & EMI shielding
Powering the future of mobility, energy, and connectivity with advanced material science.
Partner with us for:
→ Custom material formulations
→ Application-specific testing
→ Global technical support
Contact our engineering team to solve your most challenging material requirements.
Dachuang Kehua operates with state-of-the-art manufacturing and testing facilities, powered by the latest silicone technology. Our commitment to quality ensures stable, high-performance products-laying the foundation for long-term, win-win cooperation with our global partners.
Dachuang Kehua is IATF 16949 and ISO 9001 certified, with products approved under UL157 and SGS-tested. Fully RoHS 2.0 and REACH compliant, we deliver safe, reliable, and high-performance silicone solutions trusted worldwide.
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