Dowsil TC-4525 Thermally Conductive Gap Filler for Automotive Electronics Cooling
Product Attributes
Dowsil TC-4525 is a two-part, room temperature cure silicone gap filler with thermal conductivity of 2.5 W/m·K, low compression stress, and controlled silicone volatility.
Product Introduction
This material cures to a soft and compressible elastomer designed to dissipate heat from components on printed circuit boards to heat sinks, providing a reliable cooling solution.
Special Attributes
Dowsil TC-4525 offers a working time of 40 minutes and room temperature cure time of 120 minutes, with Shore 00 hardness of 40, volume resistivity of 2.6×10¹⁴ Ω·cm, and dielectric strength of 12 kV/mm.
Typical Properties
| Property | Unit | Value |
| One or Two-part | - | Two |
| Mix Ratio | - | 1:1 |
| Color A/B | - | White/Blue |
| Viscosity, Mixed | Pa·s | 217 |
| Working Time at 25°C | minutes | 40 |
| Cure Time at 25°C | minutes | 120 |
| Thermal Conductivity | W/m·K | 2.5 |
| Hardness, Shore 00 | - | 40 |
| Hardness, Asker C | - | 32 |
| Volume Resistivity | Ω·cm | 2.6E14 |
| Dielectric Strength | kV/mm | 12 |
| Dielectric Constant at 1 MHz | - | 6.2 |
Application scenarios
Dowsil TC-4525 is primarily used for thermal management in automotive engine control units, transmission control units, and power electronics modules, ensuring long-term stability in high-temperature environments.
1. Who are we?
We are Shenzhen Huazhisheng New Material Technology Co., Ltd., a professional industrial adhesives and sealants supplier based in China since 2018. we serve global markets: Mainland China (60%), Southeast Asia (20%), North America (10%), and Europe (10%).
2. What products do you offer?
we supply high-performance adhesives and sealants from global leaders including:
Cemedine, Dow Corning, Shin-Etsu, Araldite, and Momentive,etc.
3. How do you guarantee product quality?
Quality assurance through:
Mandatory pre-production samples approval
Final inspection by QC team before shipment
International certifications: SGS, UL, FDA, RoHS, REACH
4. Why choose us over other suppliers?
Reliable Supply:Authentic products from top manufacturers
Expert Support:Technical guidance for product selection
Global Compliance:Certifications meeting target market standards
Efficient Service:Customized solutions & professional support
5. What services do you provide?
Delivery:EXW/FOB/CIF
Payment:USD/EUR/CNY/HKD via T/T, L/C
Support:Technical consultation & logistics coordination
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Dowsil TC-4525 Thermally Conductive Gap Filler 2.5W/m·K for Automotive Images
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