| About |
|---|
| CONATHANE EN-2552 is a filled two-component urethane system designed for use as a potting and encapsulating material for electronic components where critical thermal cycling characteristics are a factor. CONATHANE EN-2552 has excellent electrical properties, low shrinkage, low stress buildup, and can be hand-mixed or machine dispensed.&& |
| Product Description | |
|---|---|
| Supplier | Cytec Industries |
| Generic | PUR |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Good Electrical Properties,Low contractility,Good thermal shock resistance,V-0 |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | |||
| — | 1.24 | g/cm³ | |
| — | 1.46 | g/cm³ | |
| — | 1.48 | g/cm³ | |
| Water absorption rate | |||
| 25 ℃, 24 hours, in water | 0.060 | % | |
| 7days | 0.15 | % | |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tear strength | 27.0 | kN/m |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 2.8E+17 | ohms | |
| Volume resistivity | |||
| 25 ℃ | 6.8E+13 | ohms·cm | |
| Dielectric strength | 23 | kV/mm | |
| Dielectric constant | |||
| 25 ℃，1 kHz | 3.99 | ||
| Dissipation factor | |||
| 25℃，100 Hz | 0.18 | ||
| 25℃，1 kHz | 0.053 | ||
| Arc resistance | > 120 | sec | |
| insulation resistance | |||
| 25℃ | 8.6E+12 | ohms |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 6.40 mm | V-0 | UL 94 |
| Thermosetting mixed viscosity | Nominal value | Unit | Test method |
|---|---|---|---|
| 25℃ | 300 | cP | |
| 25℃ | 8500 | cP | |
| 25℃ | 4500 | cP | |
| Gelation time | |||
| 100 gm mass，25℃ | 12.0 to 15.0 | min |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Cure Schedule | |||
| 25℃ | 7.0 | day | |
| 80℃ | 0.7 | day | |
| lap shear strength | |||
| Adhesion to Aluminum | 2.07 | MPa |
| Cured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| Linear Shrinkage | 0.75 | % |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 90 | ||
| tensile strength | 7.07 | MPa | |
| Tensile strain | |||
| fracture | 39 | % |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Linear coefficient of thermal expansion | |||
| MD | 1.2E-4 | 1/℃ | |
| Thermal conductivity coefficient | 0.65 | W/m/K | |
| Thermosetting components | |||
| resin | 按重量计算的混合比: 17 | ||
| Hardening method | 按重量计算的混合比: 100 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Resin |
| 3. Mixed |
| 4. Hardener |
| 5. 25°C |
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