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| Customization: | Available |
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| Material: | Organic Silicone |
| Application: | Household, Medical, Industrial, Agricultural |
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With the rapid advancement of the electronics industry, there is increasing demand for the stability, safety, and reliability of electronic products. Silicone potting compounds play a crucial role in enhancing product performance by providing:
Bonding & Sealing - Protects components from moisture, dust, and contaminants.
Thermal Conductivity - Helps dissipate heat in high-power electronics.
Shock Absorption - Reduces mechanical stress and vibrations.
Electrical Insulation - Prevents short circuits and improves safety.
Silicone potting adhesives are typically classified into two-component (A & B) and single-component systems, with further distinctions based on curing mechanisms:
Addition-Cure Type
Cures via platinum-catalyzed hydrosilylation (vinyl & Si-H crosslinking).
Advantages:
No byproducts, minimal shrinkage.
Excellent adhesion to substrates.
Suitable for deep potting applications.
Commonly used in high-performance electronics.
Condensation-Cure Type
Cures by reacting with moisture (from air or additives), releasing small molecules (alcohols, acids, or oximes).
Limitations:
Higher shrinkage.
Weaker adhesion compared to addition-cure types.
Typically used for shallow potting.
Condensation-Cure (RTV - Room Temperature Vulcanizing)
Cures upon exposure to air moisture (max depth ~10mm).
Simple application but limited to thin-layer encapsulation.
Addition-Cure (Heat-Activated)
Requires refrigeration before use.
Cures upon heating after application.
Provides deeper curing than condensation types.
Consumer Electronics - Waterproofing and shock resistance for smartphones, wearables.
Automotive Electronics - Protection against vibrations and thermal stress.
LED Lighting - Thermal management and insulation.
Power Modules & Batteries - Prevents moisture ingress and enhances durability.
Silicone potting compounds are essential for modern electronics, offering thermal stability, waterproofing, and mechanical protection. The choice between addition-cure and condensation-cure depends on the application requirements, curing depth, and environmental conditions.
Superior Durability - Excellent anti-aging and weather resistance, ensuring long-term protection.
Wide Temperature Range - Performs reliably from -65°C to +250°C (peaking at 300°C) without cracking.
Waterproof & Moisture-Resistant - Forms a tight seal against humidity, dust, and chemicals.
Shock & Vibration Absorption - Maintains flexibility, reducing mechanical stress on components.
Electrical Insulation - High dielectric strength prevents short circuits, enhancing safety.
Non-Corrosive & Safe - Does not damage copper or sensitive electronic parts.
Easy Repairability - Allows for quick removal and replacement of sealed components.
Chemical Resistance - Resists oils, acids, and solvents, ensuring long-term stability.
Consumer Electronics - Waterproofing for smartphones, wearables, and smart devices.
Automotive Electronics - Protects ECUs, sensors, and battery systems from heat and vibration.
LED Lighting - Enhances thermal management and insulation.
Power Electronics - Safeguards inverters, transformers, and high-voltage modules.
Aerospace & Defense - Used in avionics and military-grade electronics for extreme conditions.
Industrial Equipment - Seals motors, controllers, and sensors against harsh environments.
Silicone potting compounds provide exceptional thermal stability, waterproofing, and shock resistance, making them ideal for demanding electronic applications. While they may be costlier than other potting materials, their flexibility, repairability, and long-term reliability justify their use in high-performance industries.
| 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) |
| 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.
Thanks to their exceptional durability, weather resistance, hydrophobicity, and environmental friendliness, silicone-based coatings have become indispensable across a wide range of industries. Below are the key application areas:
Weather Resistance: Shields surfaces from UV radiation, rain, and extreme temperatures.
Anti-Pollution: Hydrophobic properties inhibit dirt, algae, and mold growth.
Color Retention: Preserves aesthetic appeal and resists fading over time.
Crack Bridging: Flexibility prevents cracks in concrete and masonry.
Low VOC & Non-Toxic: Safe for sensitive spaces such as homes, hospitals, and schools.
Mold & Mildew Resistance: Ideal for humid areas like bathrooms and kitchens.
Washability: Durable surfaces that can be cleaned easily without damage.
Waterproofing: Elastomeric coatings effectively seal flat roofs against leaks.
Solar Reflectivity: Reflective coatings reduce cooling costs by lowering roof temperatures.
Thermal Stability: Withstands high heat without degradation.
Chemical Resistance: Protects metal structures-such as bridges, pipelines, and tanks-from acids, alkalis, and saltwater.
High-Temperature Tolerance: Suitable for chimneys, exhaust systems, and industrial machinery.
Saltwater Resistance: Shields ships, docks, and offshore platforms from corrosion.
Fouling Resistance: Minimizes buildup of marine organisms as a non-toxic alternative to traditional antifouling paints.
Heat Resistance: Protects engine components, exhaust systems, and aircraft exteriors from high temperatures.
Protective Finishes: Provides scratch-resistant, long-lasting finishes for vehicles.
Self-Cleaning: Reduces dust accumulation and improves energy efficiency.
UV Protection: Extends the operational life of photovoltaic cells.
Dielectric Properties: Provides insulation for circuit boards and electronic components.
Thermal Management: Helps dissipate heat in sensitive electronic systems.
Non-Toxic & FDA-Approved: Safe for use in food processing equipment and packaging.
Hygienic Surfaces: Resists bacterial growth, making it ideal for hospitals and laboratories.
Water & Stain Repellency: Protects outdoor fabrics, footwear, and upholstery.
Breathable Comfort: Repels liquids without compromising airflow.
Preservation: Protects monuments, stonework, and artworks from weathering, pollution, and vandalism.
Smart Coatings: Self-healing, temperature-responsive, or photocatalytic technologies.
Medical Devices: Biocompatible coatings for surgical instruments and implants.
Space & Defense: Resists extreme temperatures and radiation for spacecraft and military applications.
Long-Lasting: Superior durability compared to acrylics and epoxies.
Eco-Friendly: Low-VOC, non-toxic, and sustainable.
Versatile: Adheres to concrete, metal, glass, plastics, and more.
Low Maintenance: Self-cleaning, stain-resistant, and easy to maintain.
Silicone-based coatings are transforming industries by delivering high performance, sustainability, and cost-effectiveness, making them a preferred alternative to traditional coatings.
Standard: ASTM D1056-20
Test Protocol: 1000 thermal cycles (-55°C to 125°C), 50% compression
Results:
DC800-015: 1.1%
DC800-020: 1.3%
DC800-025: 1.6%
DC800-030: 2.3%
DC800-035: 3.1%
DC800-042: 3.4%
DC800-045: 4.2%
DC800-050: 3.9%
DC800-055: 4.0%
Certification Body: SGS
Highlights: Demonstrates outstanding long-term resilience and thermal stability across the full series.
Standard: GB/T 1695-2005
Results:
DC800-035: 3.0 kV/mm
DC800-042: 3.1 kV/mm
DC800-045: 3.1 kV/mm
Certification Body: SGS
Highlights: Ensures excellent insulation properties for high-voltage and sensitive electronic applications.
RoHS: Fully compliant with EU Directive 2011/65/EU and its amendment (EU) 2015/863; all restricted substances within regulatory thresholds.
REACH: No SVHCs (Substances of Very High Concern) detected.
Halogen-Free: Non-detectable levels of fluorine (F), chlorine (Cl), bromine (Br), and iodine (I).
Certification Body: SGS
Highlights: Environmentally friendly and non-toxic; suitable for applications requiring strict material safety.
Standard: ASTM D1056-14
Test Protocol: 180° bend at -55°C for 24 hours
Results: No visible cracking or deformation
Highlights: Maintains flexibility and integrity in extremely low temperatures, ideal for cold-environment applications.
Broad Temperature Resistance
Operational range: -55°C to 125°C
Maintains stable performance across 1000 thermal cycles
Reliable Mechanical Strength
Compression set ≤ 4.2% across all variants
Resilient with minimal long-term fatigue
Superior Electrical Insulation
Dielectric strength ≥ 3.0 kV/mm
Optimized for sensitive electronic insulation needs
Full Environmental Certification
Certified RoHS, REACH, and halogen-free
Suitable for medical, consumer, and food-grade applications
Customizable & Versatile Product Line
Available in grades from DC800-015 to DC800-055
Customizable in thickness, hardness, and functional attributes
Electronics: Shock-absorbing pads, EMI shielding seals
Automotive: Weather seals, vibration dampening components
Medical Devices: Eco-safe materials for sensitive applications
Industrial Equipment: Durable gaskets and sealing systems
All certifications are issued by SGS, a globally recognized third-party testing body.
Traceable test reports include:
Compression Set: SUIN21080062XXMR_CN
Dielectric Strength: SHIN210805363XMR_CN
Environmental Compliance: SHAEC2116203002/4002
With a robust foundation of international certifications and tested performance metrics, Dacchuang Kehua's DC800 foamed silicone series is an ideal material choice for high-reliability and safety-critical applications. We remain committed to delivering innovative, environmentally conscious, and high-performance silicone solutions.
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