| About |
|---|
| OC-7086 is a water-clear, rigid polyurethane formulated for room temperature hand-batch or vacuum assisted casting methods. Excellent physical properties can be obtained with a room temperature cure without the utilization of mercury, MOCA, or TDI. The unique chemistry allows for excellent optical clarity as well as U.V. protection. Mixed material can be cast into either tin or platinum silicone molds.&& |
| Product Description | |
|---|---|
| Generic | TSU |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Weather resistance is good,Good Clarity |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | |||
| Hardener | 1.10 | g/cm³ | |
| Curing treatment | 1.10 | g/cm³ | |
| Matrix resin | 1.13 | g/cm³ | |
| Shrinkage rate | |||
| MD | 0.10 to 0.50 | % | ASTM D2566 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Bending modulus | 2380 | MPa | ASTM D790 |
| bending strength | 110 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 59 | J/m | ASTM D256 |
| Uncured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| viscosity | |||
| 25℃ | 0.45 | Pa·s | |
| 25℃ | 0.65 | Pa·s | |
| 25℃ | 1.3 | Pa·s | |
| Curing time | 28 | hr | |
| Gelation time | 15 to 20 | min |
| Cured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 75 to 85 | ASTM D2240 | |
| Tensile modulus | 1830 | MPa | ASTM D638 |
| tensile strength | 72.4 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 8.0 | % | ASTM D638 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed | 95.0 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed | 91.0 | ℃ | ASTM D648 |
| Thermosetting components | |||
| resin | 按重量计算的混合比: 100 按容量计算的混合比: 100 | ||
| Hardening method | 按重量计算的混合比: 57 按容量计算的混合比: 59 | ||
| stripping time | 120 to 240 | min |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Resin |
| 3. Mixed |
| 4. Hardener |
| 5. 24 hours at 77°F + 4 hours at 150°F |
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