| About |
|---|
| VA-1815 is a 80 shore A polyurethane elastomer formulated for hand-batch processing, vacuum assisted processing or meter mix dispensed. Excellent physical properties can be obtained with a room temperature cure without the utilization of mercury. MOCA, or TDI. VA-1815 has excellent green strength for quick demold times.&& |
| Product Description | |
|---|---|
| Generic | TSU |
| Material Status | Commercial: Active |
| Features | Good Green Strength |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | |||
| Curing treatment | 1.12 | g/cm³ | |
| Hardener | 1.14 | g/cm³ | |
| Matrix resin | 1.21 | g/cm³ | |
| Shrinkage rate | |||
| MD | 0.20 to 0.50 | % | ASTM D2566 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Thermosetting components | |||
| resin | 按重量计算的混合比: 80 按容量计算的混合比: 72 | ||
| Hardening method | 按重量计算的混合比: 100 按容量计算的混合比: 100 | ||
| stripping time | 60 to 120 | min |
| Uncured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| viscosity | |||
| 25℃ | 0.55 | Pa·s | |
| 25℃ | 1.8 | Pa·s | |
| 25℃ | 4.5 | Pa·s | |
| Curing time | 25 | hr | |
| Gelation time | 8.0 to 12 | min |
| Cured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 70 to 80 | ASTM D2240 | |
| tensile strength | 6.21 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 100 | % | ASTM D638 |
| tear strength | 14.0 | kN/m | ASTM D624 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Hardener |
| 3. Mixed |
| 4. Resin |
| 5. 24 hours at 77°F + 1 hour at 150°F |
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