| About |
|---|
| The 50-2369FR Potting and Encapsulating Compound has been formulated to meet the stringent non-burning requirements of UL94 V-0. 50-2369 FR Urethane is listed with Underwriter’s Laboratory for passing UL94 V-0. This system offers excellent heat transfer, low exotherm, and excellent electrical properties. This system is a good choice for potting applications containing surface mount components or any application requiring low stress, thermal conductivity and flame retardancy. 50-2369 FR is suitable for outdoor use. Features: Low viscosity Low stress on sensitive components Excellent electrical insulation Excellent water resistance Low shrinkage Thermal shock resistance Thermally conductive Flame retardant (UL 94 V-O Listed)&& |
| Product Description | |
|---|---|
| Generic | PUR |
| Material Status | Commercial: Active |
| Features | Low or no water absorption,Low Exotherm,Low Viscosity,Low contractility,Flame Characteristics,Good thermal shock resistance,Thermal conductivity,Insulation,V-0 |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Shrinkage rate | |||
| MD | 0.20 | % | |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Linear coefficient of thermal expansion | |||
| MD | 1.6E-4 | 1/℃ | |
| Thermal conductivity coefficient | 1.2 | W/m/K |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 6.0E+17 | ohms |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | V-0 | UL 94 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| working temperature | -65.0 to 135 | ℃ | |
| Thermal Shock Test | |||
| -60 to 130 ℃ | Pass |
| Uncured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| colour | Grey | ||
| Weight Mix Ratio (PBW) | |||
| Part A | 100 | ||
| Part B | 20 | ||
| Volume Mixing Ratio (PBV) | |||
| Part A | 100 | ||
| Part B | 26 | ||
| Density | |||
| 25℃ | 1.21 | g/cm³ | |
| 25℃ | 1.57 | g/cm³ | |
| viscosity | |||
| — | 0.15 | Pa·s | |
| — | 15 | Pa·s | |
| Curing time | |||
| 100℃ | 0.33 to 0.50 | hr | |
| 60℃ | 2.0 | hr | |
| 25℃ | 24 | hr | |
| Storage period | 12 | month |
| Cured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| Water absorption rate | |||
| — | 0.074 | % | |
| — | 0.18 | % | |
| Shore hardness | |||
| Shaw’s D | 75 | ||
| tensile strength | 241 | MPa | |
| Tensile strain | |||
| fracture | 20 | % | |
| Electrical strength | 21 | kV/mm | |
| Relative permittivity | |||
| 100 Hz | 4.30 | ||
| Volume resistivity | 2.1E+14 | ohms·cm |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Part B |
| 3. Part A |
| 4. 24 hours immersion |
| 5. 7 days immersion |
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