DOWSIL™ TC-2035 CV: Thermally conductive adhesive for electronic assembly dedicated to the automotive market.
The new DOWSIL™ TC-2035 CV adhesive is a high thermally-conductive adhesive capable of low-temperature fast curing and outstanding room-temperature shelf-life stability for automotive electronic assembly applications. This new technology is helping to power the next generation of low-carbon mobility.
This high-performance adhesive offers a combination of exceptional properties including a high thermal conductivity of 3.3 W/m.K for efficient heat transfer, low bond line thickness of ~50% for minimal impact on component dimensions, high elongation at break of ~50% for flexibility and resilience, and easy dispensing for convenient application.
DOWSIL™ TC-2035 CV also offers rapid bonding through temperature curing at 115°C/15 minutes, primerless adhesion (on selected substrates) for simplified assembly, a long shelf life of 12 at or below 35°C for extended storage, and low volatile content of <100 ppm ensuring environmental safety.
DOWSIL TC-2035 excels in diverse automotive applications, including :
- ADAS (Advanced Driver Assistance Systems)
- ECU Assembly
- Power electronics
- Converter/inverter
- OBC
New technology for low-carbon mobility
The new DOWSIL™ TC-2035 CV adhesive is a high-performance thermally conductive adhesive capable of rapid curing at low temperatures and offering exceptional stability at room temperature for automotive electronic assembly applications. This new technology contributes to powering the next generation of low-carbon mobility.
Comparison between DOWSIL™ TC-2035 CV and DOWSIL™ TC-2035:
| Property | TC-2035 CV Adhesive | TC-2035 Adhesive | Benefits |
|---|---|---|---|
| Color | Reddish brown | Reddish brown | |
| Thermal Conductivity (W/mK) | 3.3 | 3.0 | High thermal conductivity |
| Specific Gravity – Cured | 3.00 | 03.07 | |
| Initial Extrusion Rate (g/min) | Part A: 33 | Part A: 43 | High dispense rate – higher throughput |
| Part B: 52 | Part B: 58 | ||
| Shelf Life (Months) | 12 | 6 | Lower scrap |
| Storage Condition | ≤ 35°C | ≤ 25°C | Lower scrap and energy consumption |
| Pot Life (Hour) | 3.5 | 5 | Easier processing |
| Durometer (Shore D) | 33 | 38 | |
| Tensile Strength (MPa) | 3.7 | 3.1 | Higher reliability |
| Elongation (%) | 50 | 55 | Flexible joints, less material needed |
| Adhesion Failure Mode (%) | ≥90% Cohesive | ≥90% Cohesive | |
| *Al – A5052P, Anodized | *Al – A1050P | Good primerless adhesion | |
| Lap Shear Adhesion (MPa) | 2.9; *Al – A5052P, Anodized | 2.6; *Al – A1050P | Stronger adhesion |
| Cure Condition | 15 minutes at 115°C | 30 minutes at 125°C | Faster processing, lower energy consumption |
Key points of DOWSIL™ TC-4525 CV:
- New Technology: The DOWSIL™ TC-2035 CV adhesive is a new technology that offers improved performance compared to traditional thermally conductive adhesives.
- Low Carbon Mobility: The DOWSIL™ TC-2035 CV adhesive contributes to powering the next generation of low-carbon mobility by helping dissipate heat from electronic components.
- Key Features: The DOWSIL™ TC-2035 CV adhesive offers high thermal conductivity, primerless adhesion, low joint thickness, stable performance at high temperatures, and excellent thermal performance at various Bond Line Thickness (BLT).
- Benefits: The DOWSIL™ TC-2035 CV adhesive offers fast polymerization, long shelf life, and low volatile substance content.
- Applications: The DOWSIL™ TC-2035 CV adhesive is used in a variety of automotive electronic assembly applications, including assembly of electronic components, sealing of thermal joints, and protection of components against shocks and vibrations.
Conclusion : The DOWSIL™ TC-2035 CV adhesive is an innovative solution that offers a unique combination of performance, ease of use, and safety. It is ideal for automotive electronic assembly applications, especially electric and hybrid vehicles.
