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 |
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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 Electronical Material and Technology Co., Ltd
Location
No.12 Xiju Road, Hengli Township, 523465 Dongguan City
Contact Person
Dana Dai