TIE 280-25AB Thermally Conductive Epoxy Potting Compound 2.5 W/m-K for -40℃ to +130℃ Applications
Price:
0.1-100USD/KG
MOQ:
2KG/LOT
Delivery Time:
2-3 work day
Brand:
Ziitek
Product Description
TIE™ 280-25AB Thermally Conductive Epoxy Potting Compound
Product Overview
TIE™ 280-25AB is a two-component, high thermal conductivity epoxy encapsulant compound featuring low temperature curing, extended pot life, and fire-resistant properties. Specifically engineered for potting capacitors and electrical devices with operating temperatures from -40℃ to +130℃.
Key Features & Benefits
- High thermal conductivity: 2.5 W/m-K for efficient heat dissipation
- Excellent electrical insulation properties with smooth surface finish
- Low shrinkage during curing process
- Low viscosity formulation facilitates air bubble release
- Superior resistance to solvents and waterproof performance
- Extended service life and durability
- Excellent thermal shock efficiency and impact resistance
- UL 94 V-0 fire resistance rating
Primary Applications
- Automotive starters potting and thermal detector potting
- Ferrite adhesion and TIP type LED applications
- Relay sealant with excellent adhesion to rubber, ceramics, PCB and plastics
- Power transformers and coils encapsulation
- Potting capacitors and small electrical devices
- Adhesion to metal, glass, and plastic substrates
- LCD & substrate adhesion, coating and sealant applications
- Coil, IGBT, and transformer potting solutions
- Optical and medical component adhesive requirements
Material Specifications
Uncured Material Properties
| Component | Property | Value |
|---|---|---|
| TIE™ 280-25A (Resin) | Color | Black |
| Viscosity @25℃ Brookfield | 3,000 cPs | |
| Specific Gravity | 2.1 g/cc | |
| Shelf life @25℃ in sealed container | 12 months | |
| TIE™ 280-25B (Hardener) | Color | Black |
| Viscosity @25℃ Brookfield | 5,000 cPs | |
| Shelf life @25℃ in sealed container | 12 months |
Mixing & Curing Parameters
| Parameter | Value |
|---|---|
| Mix Ratio (By weight) | TIE™ 280-25A : TIE™ 280-25B = 100 : 100 |
| Viscosity @25℃ | 4,000 cPs |
| Working pot life (250 g @25℃) | 45 minutes |
| Specific Gravity | 2.1 g/cc |
| Cure Schedule | 12 hours at 25℃ or 30 minutes at 70℃ |
Cured Material Properties
| Property | Value |
|---|---|
| Hardness @25℃ | 85 Shore D |
| Service temperature | -40℃ to +130℃ |
| Glass transition temperature Tg | 92℃ |
| Elongation | 0.10% |
| Coefficient of thermal expansion | 3.0 × 10⁻⁵ /℃ |
| Fire resistance UL | Meet 94 V-0 |
| Moisture absorption % wt gain (24h water immersion @25℃) | 0.1 |
Thermal & Electrical Properties
| Category | Property | Value |
|---|---|---|
| Thermal | Thermal Conductivity | 2.5 W/m-K |
| Thermal Impedance @10psi | 0.31 ℃-in²/W | |
| Electrical | Dielectric Strength | 300 volts / mil |
| Dielectric Constant | 4.2 MHz | |
| Dissipation factor | 0.029 MHz | |
| Volume resistivity, ohm-cm @ 25℃ | 3.0 × 10¹² |
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dongguan Ziitek Electronic Materials & Technology Ltd.
Location
No.12 Xiju Road,, Hengli Township, 523465 Dongguan City
Contact Person
Dana Dai