| About |
|---|
| Loctite® EA E-40EXP™ is a two component, self-leveling epoxy designed for potting electric motors. Once mixed, the two component epoxy cures at room temperature. It can be potted into horizontal volumes and will flow to fill the voids. Typical applications include the potting of wire conduits to isolate the electrical motor from the surrounding environment.&& |
| Product Description | |
|---|---|
| Supplier | Henkel |
| Generic | 环氧树脂 |
| Material Status | Commercial: Active |
| Features | Room Temperature Cure |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Water absorption rate | |||
| 23℃，24hr | 0.23 | % | ISO 62 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Glass transition temperature | 52.0 | ℃ | ASTM E1640 |
| Linear coefficient of thermal expansion | |||
| MD | |||
| < 52℃ | 2.6E-5 | cm/cm/℃ | |
| > 52℃ | 1.5E-4 | cm/cm/℃ | |
| Thermal conductivity coefficient | 0.25 | W/m/K | ASTM E1530 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Dielectric strength | 38 | kV/mm | IEC 60243-1 |
| Dielectric constant | |||
| 1 kHz | 2.90 | ||
| 10 kHz | 3.40 | ||
| 100 kHz | 3.40 | ||
| 1 MHz | 3.30 | ||
| Dissipation factor | |||
| 1 kHz | 0.025 | ||
| 10 kHz | 0.013 | ||
| 100 kHz | 0.018 | ||
| 1 MHz | 0.024 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume contraction | 2.7 | % | ISO 1675 |
| Uncured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| colour | |||
| — | Black | ||
| — | White | ||
| Weight Mix Ratio (PBW) | |||
| Resin | 100 | ||
| Hardener | 46 | ||
| Volume Mixing Ratio (PBV) | |||
| Resin | 2.0 | ||
| Hardener | 1.0 | ||
| Density | |||
| 25℃ | 1.10 | g/cm³ | |
| 25℃ | 1.20 | g/cm³ | |
| viscosity | |||
| 25°C, Brookfield RVT 5 | 6.4 | Pa·s | |
| Brookfield, 25 ℃ | 21 | Pa·s | |
| Gelation time | |||
| 22℃ | < 45 | min | |
| Tack Free Time | < 75 | min |
| Cured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| lap shear strength | > 17.0 | MPa | ISO 4587 |
| Linear Shrinkage | 0.90 | % | ISO 1675 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | > 80 | ISO 868 | |
| Tensile modulus | 2750 | MPa | ISO 527-2 |
| tensile strength | 66.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | 4.0 | % | ISO 527-2 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Hardener |
| 3. Resin |
| 4. Mixed |
| 5. Hardener, Spindle 14, speed 10 rpm |
| 6. Resin, Spindle 14, speed 10 rpm |
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