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Task® 18
| Category: | PUR, Unspecified , Polyurethane |
| Manufacturer: | Smooth-On, Inc |
| Trademark: | Task® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | 0rw0Fh_Task-18.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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TASK® 18 is a relatively low viscosity aluminum filled urethane casting resin that was developed specifically for making short run vacuum forming molds. When Parts A and B are mixed in proper proportion, TASK® 18 cures overnight at room temperature with negligible shrinkage to a very hard plastic that has a very high compressive and flexural strength. Cured TASK® 18 can be polished, machined, drilled, painted, etc. TASK® 18 is also used to make industrial production parts, prototype parts and tracing patterns. (Formerly C-1508) |
| General Information | |
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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 | 1.57 | g/cm³ | ASTM D1475 |
| Specific Volume | 0.636 | cm³/g | ASTM D1475 |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Mixing Ratio | 26A:100B by weight |
| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Molding Shrinkage - Flow | 0.060 | % | ASTM D2566 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore D) | 88 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 3540 | MPa | ASTM D638 |
| Tensile Strength (Break) | 22.4 | MPa | ASTM D638 |
| Tensile Elongation (Break) | 1.0 | % | ASTM D638 |
| Flexural Modulus | 593 | MPa | ASTM D790 |
| Flexural Strength | 73.8 | MPa | ASTM D790 |
| Compressive Modulus | 671 | MPa | ASTM D695 |
| Compressive Strength | 58.1 | MPa | ASTM D695 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load (1.8 MPa, Unannealed) | 65.0 | °C | ASTM D648 |
| Thermoset | Nominal Value | Unit | Test Method |
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| Pot Life (23°C) | 20 | min | ASTM D2471 |
| Thermoset Mix Viscosity | 4400 | cP | ASTM D2393 |
| Demold Time 1(23°C) | 960 | min |
| Note Message | |
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| 1 . | Cure Time |
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