| About |
|---|
| Network Polymers SAN 278 is a Styrene Acrylonitrile (SAN) product. It can be processed by injection molding and is available in North America. Typical application: Food Contact Applications.&& |
| Product Description | |
|---|---|
| Generic | SAN |
| Material Status | Commercial: Active |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.08 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 230℃，3.80kg | 7.5 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 0.30 to 0.70 | % | ASTM D955 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，3.2mm | 21 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 3.2 mm | 88.9 | ℃ | ASTM D648 |
| Vicat Softening Temp | 110 | ℃ | ASTM D1525 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 71.7 | MPa | ASTM D638 |
| Tensile strain | |||
| yield | 4.0 | % | ASTM D638 |
| Bending modulus | |||
| tangent | 3630 | MPa | ASTM D790 |
| bending strength | |||
| yield | 106 | MPa | ASTM D790 |
| Rockwell hardness | |||
| R-level | 76 | ASTM D785 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 80 | °C | |
| Drying time | 2.0 to 4.0 | hr | |
| Barrel rear temperature | 220 to 260 | °C | |
| Barrel middle temperature | 220 to 260 | °C | |
| Barrel front temperature | 220 to 260 | °C | |
| Mold temperature | 40 to 70 | °C | |
| Injection pressure | 68.6 to 196 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 in/min |
| 3. 0.050 in/min |
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