| Category | Polymer , Adhesive , Thermoset , Epoxy |
| Manufacturer | Tra-Con, Inc. |
| Trade Name | Tra-Cast |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Tra-Con Tra-Cast 3108 General Purpose Epoxy Casting Compound.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.70 g/cc | 1.70 g/cc | Mixed |
| Solids Content | 100 % | 100 % | Reactive Solids Content |
| Volatile Organic Compounds (VOC) Content | 4.27 g/l | 4.27 g/l | |
| Water Absorption | 0.080 % | 0.080 % | After 24 hours |
| Viscosity | 4000 cP @Temperature 25.0 °C |
4000 cP @Temperature 77.0 °F |
Mixed (10 rpm) |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Shore D | 92 | 92 | |
| Adhesive Bond Strength | 8.62 MPa | 1250 psi | Lap shear, alum to alum, 24 hrs @ 25°C |
| 20.3 MPa | 2950 psi | Lap shear, alum to alum, 2 hrs @ 65°C |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 35.0 µm/m-°C @Temperature 20.0 °C |
19.4 µin/in-°F @Temperature 68.0 °F |
|
| Maximum Service Temperature, Air | 145 °C | 293 °F | |
| Minimum Service Temperature, Air | -60.0 °C | -76.0 °F | |
| Glass Transition Temp, Tg | 76.0 °C | 169 °F | Ultimate Tg |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | 4.00e+16 ohm-cm | 4.00e+16 ohm-cm | |
| 4.00e+14 ohm-cm @Temperature 100 °C |
4.00e+14 ohm-cm @Temperature 212 °F |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Cure Time | 60.0 - 120 min @Temperature 65.0 °C |
1.00 - 2.00 hour @Temperature 149 °F |
|
| 1440 min @Temperature 25.0 °C |
24.0 hour @Temperature 77.0 °F |
||
| Pot Life | 30 min | 30 min |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | Gray | |
| Heat Distortion Temperature °C | 102 | |
| Mix Ratio, parts by weight | 100/12 | Resin/Hardener |
| Outgassing, NASA, %CVCM | 0.01 | 2 hrs @ 65°C |
| Outgassing, NASA, %TWL | 0.13 | 2 hrs @ 65°C |
| Thixotropic Index | 1.6 | 6 rpm/60 rpm |