Thermal Interface Material (TIM)
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WACKER’s ELASTOSIL® and SEMICOSIL® thermally conductive silicone products provide efficient and reliable heat management for numerous applications in automotive, consumer and power electronics. Our silicone-based products are offered in a variety of viscosities, cure speeds and conductivities to meet the requirements of thermal management in electronics for virtually every industry.
Efficient and Reliable Products for Thermal Management.
Wide Product Portfolio in:
- Adhesives
- Gap fillers
- Pastes
- Encapsulants
Benefits:
- Excellent thermal conductivity for heat dissipation (0.5 – 4.8 W/mK)
- Maintains physical property and full performance in extreme temperatures (-45 °C to + 150° C)
- Superb flow and processing properties for dispensing ease
- Conforms and adheres to component shape – good wetting properties
- Low volatile content
- Firm yet flexible mechanical bond that doesn’t require further fixing
Applications:
- Electric vehicle batteries
- Battery management systems (BMS)
- Power electronics
- On-board chargers (OBC)
- Electronic control units (ECUs)
- Sensors
- Consumer electronics
Gap Fillers | Adhesives | Grease / Paste | Encapsulants / Potting | |
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Thermal conductivity (TC) | 1.8 – 4.8 W/mK | 0.85 – 4.2 W/mK | 0.7 – 4.0 W/mK | 0.5 – 4.0 W/mK |
Curing type | Addition | Addition / condensation | Non-cure | Addition |
Viscosity | Non-flowable | Semi-flowable | Non-flowable / pasty | Flowable |
Bond line thickness | 50 – 150 µm | < 150 µm | < 150 µm | < 150 µm |
Processing | Static mixer (2K) | Static mixer (2K) | Static mixer (2K), screen printing (2K) | Static mixer (2K) |
Product Recommendations
Products
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Technical data
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Product properties
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Viscosity, dynamic | Hardness Shore A | Hardness Shore 00 | Tensile strength | Elongation at break | Product Rheology | Crosslinking Property | Vulcanizate | ||
50000 mPa·s[1] 50000 mPa·s[1] | 80[7] 80[7] | - - | 2 N/mm²[9] 2 N/mm²[9] | 20 %[10] 20 %[10] | Flowable | Two-component, Addition Curing | Thermally conductive | ||
130000 mPa·s[2] 130000 mPa·s[2] | - - | 55[11] 55[11] | - - | - - | - | - | - | ||
150000 mPa·s[3] 150000 mPa·s[3] | - - | 50[11] 50[11] | - - | - - | - | - | - | ||
120000 mPa·s[4] 120000 mPa·s[4] | - - | - - | - - | - - | - | - | - | ||
160.000 - 430.000 mPa·s[5] 160.000 - 430.000 mPa·s[5] | - - | 60 - 70[11] 60 - 70[11] | - - | - - | - | - | - | ||
300 Pa.s[6] 300 Pa.s[6] | 80[8] 80[8] | - - | - - | - - | - | - | - |
[1] Viscosity, dynamic | 23 °C | ISO 3219, [2] Viscosity, dynamic Cone-plate-viscosimeter Component A | 23 °C | ISO 3219, D = 10 1/s, [3] Viscosity, dynamic (Cone-plateviscosimeter) | 23 °C | ISO 3219, D = 10 1/s, [4] A-Component | 25 °C | 1 1/s | DIN EN ISO 3219, [5] Viscosity, dynamic | 25 - 25 °C | 10 - 1 1/s | ISO 3219, [6] Viscosity [D= 0.5 sec⁻¹] | 25 °C | DIN EN ISO 3219, [7] Hardness Shore A | DIN ISO 48-4, [8] Hardness Shore A | DIN 53 505 / ISO 868, [9] Tensile strength | ISO 37 type 1, [10] Elongation at break | ISO 37 type 1, [11] Hardness Shore 00 | ASTM D 2240, [] Suited, [] Well suited, [] Ideally suited