| About |
|---|
| DuPont™ Surlyn® 8920 is an ionomer of ethylene acid copolymer. This polymeric material can be processed in conventional extrusion and injection equipment designed to process polyethylene and ethylene copolymer type resins, to create various shapes and sheeting.&& |
| Product Description | |
|---|---|
| Supplier | DOW |
| Generic | EMA |
| Material Status | Commercial: Active |
| Features | Copolymer |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.950 | g/cm³ | ASTM D792 |
| Density | 0.950 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 0.90 | g/10min | ASTM D1238 |
| 190℃，2.16kg | 0.90 | g/10min | ISO 1133 |
| Ion Type | Sodium | ||
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 66 | ISO 868 | |
| Shaw’s D | 66 | ASTM D2240 | |
| tensile strength | |||
| Fracture, 23 ℃ | 37.2 | MPa | ISO 527-2 |
| Fracture, 23 ℃ | 37.2 | MPa | ASTM D638 |
| Yield, 23 ℃, molded | 15.2 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 350 | % | ISO 527-2 |
| Fracture, 23 ℃ | 350 | % | ASTM D638 |
| Bending modulus | ASTM D790 | ||
| -20℃ | 670 | MPa | ASTM D790 |
| 23℃ | 380 | MPa | ASTM D790 |
| abrasion resistance | |||
| NBS Index | 640 | ASTM D1630 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 12 | J/m | ASTM D256 |
| Tensile impact strength | ASTM D1822 | ||
| -40℃ | 345 | kJ/m² | ASTM D1822 |
| 23℃ | 410 | kJ/m² | ASTM D1822 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Vicat Softening Temp | 58.0 | ℃ | ASTM D1525 |
| Vicat Softening Temp | 58.0 | ℃ | ISO 306 |
| Melting peak temperature | 88.0 | ℃ | ASTM D3418 |
| Melting temperature | |||
| DSC | 88.0 | ℃ | ISO 3146 |
| freezing point | |||
| — | 48 | ℃ | ASTM D3418 |
| — | 48 | ℃ | ISO 3146 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Haze | |||
| 6350 µm | 4.0 | % | ASTM D1003 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Type IV, 2.0 in/min |
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