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Task® 8
| Category: | PUR, Unspecified , Polyurethane |
| Manufacturer: | Smooth-On, Inc |
| Trademark: | Task® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | gITKhw_Task-8.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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TASK® 8 is a heat resistant polyurethane resin system made specifically for prototyping / casting applications which require thermal resistance of up to 263°F /129°C. TASK® 8 offers the convenience of a 1A:1B mix ratio and has a very low viscosity, so it is easy to mix and pour. Plastic cures quickly to a Shore 80D and exhibits good physical and performance properties. Heat curing this material is necessary to attain optimal heat resistance. See "Heat Curing" section for curing schedule details. Applications include making machine housings, thermo-forming and general prototyping / casting. |
| General Information | |
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| Features |
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| Uses |
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| Appearance |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.09 | g/cm³ | ASTM D1475 |
| Specific Volume | 0.918 | cm³/g | ASTM D1475 |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Mixing Ratio | 120A:100B by Weight 1A:1B by volume |
| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Molding Shrinkage - Flow | 1.0 | % | ASTM D2566 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore D) | 80 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 1700 | MPa | ASTM D638 |
| Tensile Strength (Break) | 40.3 | MPa | ASTM D638 |
| Tensile Elongation (Break) | 4.0 | % | ASTM D638 |
| Flexural Modulus | 1870 | MPa | ASTM D790 |
| Flexural Strength | 57.1 | MPa | ASTM D790 |
| Compressive Modulus | 534 | MPa | ASTM D695 |
| Compressive Strength | 60.4 | MPa | ASTM D695 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load | ASTM D648 | ||
| 1.8 MPa, Unannealed 1 | 128 | °C | |
| 1.8 MPa, Unannealed 2 | 90.0 | °C |
| Thermoset | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Pot Life (23°C) | 2.5 | min | ASTM D2471 |
| Thermoset Mix Viscosity | 100 | cP | ASTM D2393 |
| Demold Time 3(23°C) | 10 to 15 | min |
| Note Message | |
|---|---|
| 1 . | After Heat Curing |
| 2 . | After 1 Week At 73°F/23°C |
| 3 . | Cure Time |
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