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Tuffalloy™ 4272
| Category: | TP, Unspecified , Thermoplastic |
| Manufacturer: | Hapco Inc. |
| Trademark: | Tuffalloy™ |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | Ydw5iT_Tuffalloy-4272.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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TUFFALLOY 4270 is a series of Liquid Molding Compounds with thermoplastic properties such as high impact, high heat distortion, and low viscosity. This unique chemistry developed by Hapco to meet today's market demands for prototype and low production parts needs. THE TUFFALLOY 4270 Series are available in (4) speeds. The user has the ability to use different speeds of TUFFALLOY 4270, typically using a slower speed initially and increasing to a fast set, 1 minute working life. PROCESSING:
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| General Information | |
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| Appearance |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.13 | g/cm³ | ASTM D4669 |
| Molding Shrinkage - Flow | 0.10 to 0.40 | % | ASTM D2566 |
| Weight - per cubic inch | 19 | g |
| Thermoset | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Gel Time 1(25°C) | 7.0 | min | ASTM D2971 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore D) | 79 to 89 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 2820 | MPa | ASTM D638 |
| Tensile Strength | 84.8 | MPa | ASTM D638 |
| Tensile Elongation (Break) | 7.0 | % | ASTM D638 |
| Flexural Modulus | 2850 | MPa | ASTM D790 |
| Flexural Strength | 98.6 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact | 80 | J/m | ASTM D256 |
| Unnotched Izod Impact | > 110 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load | ASTM D648 | ||
| 0.45 MPa, Unannealed | 90.0 | °C | |
| 1.8 MPa, Unannealed | 81.0 | °C |
| Thermoset | Nominal Value | Unit | Test Method |
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| Thermoset Components | |||
| Part A | Mix Ratio by Weight: 100, Mix Ratio by Volume: 100 | ||
| Part B | Mix Ratio by Weight: 85, Mix Ratio by Volume: 100 | ||
| Thermoset Mix Viscosity 2(25°C) | 250 to 350 | cP | ASTM D4878 |
| Demold Time (21°C) | 90 to 120 | min | Internal Method |
| Note Message | |
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| 1 . | 100 g |
| 2 . | Range: 250 to 350 |
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