Basic Information
| Model NO. | WD90200A | Linear Expansion Coefficient | Less Than or Equal to 27 |
| Thermal Conductivity | Greater Than or Equal to 0.75 | Insulation Strength | Greater Than or Equal to 20 |
| Dielectric Constant | Less Than or Equal to 3.8 | Volume Resistivity | Greater Than or Equal to 1.0×1016 |
| Water Absorption | Less Than or Equal to 0.7 | Transport Package | Barrel |
| Specification | 25kg, or customized available | Trademark | SWETE |
| Origin | China | Production Capacity | 50000tons Per Year |
Product Description
Electronic bridge stack, high-end heat dissipation regulator, automobile and motorcycle sensors, and other electronic product packaging. It has good heat dissipation, a small linear expansion coefficient, strong cracking resistance, good insulation performance, excellent surface gloss, and good processability.
Application
Electronic bridge stack, high-end heat dissipation regulator, automobile and motorcycle sensors, and other electronic product packaging.
Characteristics
Good insulation performance, good physical properties, excellent surface gloss, good processability, and good crack resistance. Test data, as bellow:
One-component performance test data:
| Appearance | Main agent A | Black viscous liquid |
| Curing agent B | Brown viscous liquid | |
| Density | Main agent A | 1.84-1.90 |
| Curing agent B | 1.68-1.74 | |
| Viscosity | Main agent A | 40000-80000 |
| Curing agent B | 4500-9500 |
Property after curing (25ºC, 5-6 hours curing)
| Glass Transition Temperature (ºC) | ≥160 |
| Linear Expansion Coefficient(ppm/k, lower than the average of Tg ) | ≤27 |
| Water Absorption(%, 100ºC/24h) | ≤0.7 |
| Thermal Conductivity (W/mK) | ≥0.75 |
| Insulation Strength (KV/mm) | ≥20 |
| Dielectric Constant (50Hz) | ≤3.8 |
| Volume Resistivity (Ω/cm) | ≥1.0×1016 |
Mixing Ratio
100:80-20
Package
Component A: 25kg /barrel
Component B: 5kg /barrel
Storage Conditions
Due to the storage conditions, this product may experience a small amount of precipitation during storage, which is a normal phenomenon. After stirring evenly, it can be used normally.
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