3.5W/mK Thermally Conductive Silicone Adhesive Potting Compound for LED Lighting - 160°C Operating Temperature
TIS™680-35AB is a two-component, high thermal conductivity silicone adhesive potting compound designed for LED lighting applications. This thermally conductive material features excellent high temperature resistance up to 160°C and provides superior heat dissipation for electronic components.
- High thermal conductivity: 3.5W/mK for efficient heat transfer
- Excellent insulation properties with smooth surface finish
- Low shrinkage during curing process
- Low viscosity for easy application and air release
- Excellent solvent resistance and waterproof performance
- Extended service life for long-term reliability
- Superior thermal shock efficiency and impact resistance
- Fire resistant with UL 94 V-0 rating
- LED lighting heat spreader and power driver potting
- Ferrite cements and tip-type LED applications
- Relay sealants with excellent adhesion to rubber, ceramics, PCB, and plastics
- Power transformers, coils, and capacitor potting
- Small electrical device encapsulation
- LCD and substrate adhesion applications
- Coating and sealant for optical/medical components
- IGBTs and transformer fire retardant applications
| Typical Uncured Material Properties | |
|---|---|
| TIS™680-35A (Hardener) | TIS™680-35B (Resin) |
| Color: Gray | Color: Blue |
| Viscosity @25°C: 38,000 mPa.s | Viscosity @25°C: 38,000 mPa.s |
| Specific Gravity: 3.1 g/cm³ | Specific Gravity: 3.1 g/cm³ |
| Shelf Life: 12 months | Shelf Life: 12 months |
| Mixing & Curing | |
| Mixing Ratio (by weight): A:B = 100:100 | |
| Mixture Color: Blue | |
| Cure @25°C: 120-240 minutes | Cure @120°C: 2-5 minutes |
| Cured Properties | |
| Hardness: 55 Shore 00 | Operating Temperature: -40°C to 160°C |
| Elongation: 1.50% | Thermal Conductivity: 3.5W/m-K |
| Expansion Coefficient: 3.0×10⁻⁵ | Thermal Impedance: 0.52°C·in²/W |
| Dielectric Breakdown Voltage: 10KV | Volume Resistivity: 3.0×10¹² ohm-cm |
| Dielectric Constant @1MHz: 5 | Moisture Absorption: |
- 1KG/A and 1KG/B sets
- 5KG/A and 5KG/B sets
- 25KG/A and 25KG/B sets
Delivery Schedule:
1-200 pieces: 3-5 working days
>200 pieces: Custom delivery arrangements available
Ziitek Electronic Material and Technology Ltd. specializes in developing composite thermal solutions and manufacturing superior thermal interface materials. With extensive experience in thermal engineering, we provide customized products, comprehensive product lines, and flexible production capabilities to meet diverse customer requirements.
- 12-hour online service with fast inquiry response
- Business hours: 8:00 AM - 5:30 PM, Monday to Saturday (UTC+8)
- Experienced English-speaking technical support staff
- Standard export packaging or custom labeling available
- Free samples provided for evaluation
- Comprehensive after-sales service and technical support
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.