| About |
|---|
| CONATHANE EN-2523 is a two-part filled polyurethane casting system. It consists of two low viscosity liquids that have low vapor pressure and good handling properties at room temperature. CONATHANE EN-2523 can be cured at room or elevated temperatures without the formation of voids. Low exotherm, low stress build-up during cure, low shrinkage, and excellent electrical properties are other outstanding features of this system. CONATHANE EN-2523 is recommended for potting electrical and electronic devices that are subjected to conditions of extreme thermal shock and exposure to adverse environments. The low viscosity of the system permits thorough impregnation of electrical and electronic assemblies.&& |
| Product Description | |
|---|---|
| Supplier | Cytec Industries |
| Generic | PUR |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Good Electrical Properties,Low Exotherm,Antimicrobial properties,Low contractility,Good thermal shock resistance,HB |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | |||
| — | 1.24 | g/cm³ | |
| — | 1.44 | g/cm³ | |
| — | 1.46 | g/cm³ | |
| Water absorption rate | |||
| 25 ℃, 24 hours, in water | 0.14 | % | |
| 25℃，60days | 0.83 | % | |
| 7days | 0.45 | % | |
| Solid content | |||
| — | 100 | % | |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | |||
| — | 1.5E+13 | ohms | |
| — | 1.3E+12 | ohms | |
| — | 1.1E+11 | ohms | |
| Volume resistivity | |||
| 25 ℃ | 3.4E+13 | ohms·cm | |
| 60 ℃ | 3.7E+12 | ohms·cm | |
| 90 ℃ | 3.4E+11 | ohms·cm | |
| Dielectric strength | |||
| 1.59 mm | 25 | kV/mm | |
| 3.18 mm | > 16 | kV/mm | |
| Dielectric constant | |||
| 25 ℃，100 Hz | 4.60 | ||
| 25 ℃，1 MHz | 3.50 | ||
| 60 ℃，100 Hz | 6.70 | ||
| 60 ℃，1 MHz | 3.70 | ||
| 90 ℃，100 Hz | 7.70 | ||
| 90 ℃，1 MHz | 4.10 | ||
| Dissipation factor | |||
| 25℃，100 Hz | 0.088 | ||
| 25℃，1 kHz | 0.049 | ||
| 25℃，1 MHz | 0.012 | ||
| 60℃，100 Hz | 0.064 | ||
| 60℃，1 kHz | 0.079 | ||
| 60℃，1 MHz | 0.047 | ||
| 90℃，100 Hz | 0.069 | ||
| 90℃，1 kHz | 0.080 | ||
| 90℃，1 MHz | 0.094 | ||
| Arc resistance | 130 | sec | |
| insulation resistance | |||
| 25℃ | 2.6E+12 | ohms | |
| 90℃ | 6.8E+10 | ohms |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| Thermosetting mixed viscosity | Nominal value | Unit | Test method |
|---|---|---|---|
| 25℃ | 200 | cP | |
| 25℃ | 5000 | cP | |
| 25℃ | 2800 | cP | |
| 60℃ | 400 | cP | |
| stripping time | |||
| 25℃ | 480 to 600 | min |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Isocyanate Content | 30 to 32 | % | |
| Cold and hot shock test -10 cycles, -65 ℃ to 130 ℃ | passes | ||
| Work term -1 lb. mass | |||
| 25℃ | 50.0 | min | |
| 60℃ | 10.0 | min | |
| Antifungal activity | Non-nutrient |
| Cured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| Linear Shrinkage | 0.59 | % |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 50 | ||
| tensile strength | 11.0 | MPa | |
| Tensile strain | |||
| fracture | 50 | % |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Linear coefficient of thermal expansion | |||
| MD | 1.5E-4 | 1/℃ | |
| Thermal conductivity coefficient | 0.19 | W/m/K | |
| thermal stability | |||
| % Wt. Loss after 7 days @ 130℃ | 0.19 | % | |
| % Wt. Loss after 7 days @ 155℃ | 0.52 | % | |
| Thermosetting components | |||
| resin | 按重量计算的混合比: 20 | ||
| 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. Mix |
| 4. Hardener |
| 5. 90°C |
| 6. 60°C |
| 7. 25°C |
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