| About |
|---|
| Surlyn® 8940-E is a sodium ionomer thermoplasic resin. It is available for use in conventional extrusion and injection equipment, to create various sheets or shape. Surlyn® 8940-E thermoplastic resin is an advanced ethylene/methacrylic acid (E/MAA) copolymer, in which the MAA acid groups have been partially neutralized with sodium ions.&& |
| Product Description | |
|---|---|
| Supplier | DOW |
| Generic | 离聚物 |
| Material Status | Commercial: Active |
| Features | Food contact compliance |
| Availabilitys | Europe |
| Process Methods | Extrusion |
| 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 | 2.8 | g/10min | ASTM D1238 |
| 190℃，2.16kg | 2.8 | g/10min | ISO 1133 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 65 | ASTM D2240 | |
| Shaw’s D | 65 | ISO 868 | |
| tensile strength | |||
| Fracture, 23 ℃ | 33.0 | MPa | ISO 527-2 |
| Fracture, 23 ℃ | 33.0 | MPa | ASTM D638 |
| Yield, 23 ℃ | 15.0 | MPa | ASTM D638 |
| Yield, 23 ℃ | 15.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| Fracture, 23 ℃ | 470 | % | ISO 527-2 |
| Fracture, 23 ℃ | 470 | % | ASTM D638 |
| Bending modulus | ASTM D790 | ||
| -20℃ | 717 | MPa | ASTM D790 |
| 23℃ | 350 | MPa | ASTM D790 |
| abrasion resistance | |||
| NBS Index | 370 | ASTM D1630 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tear strength | |||
| 23℃ | 1.48 | kN/m | ASTM D624 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 1000 | J/m | ASTM D256 |
| Tensile impact strength | ASTM D1822 | ||
| -40℃ | 757 | kJ/m² | ASTM D1822 |
| 23℃ | 1020 | kJ/m² | ASTM D1822 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | -106 | ℃ | ASTM D746 |
| Vicat Softening Temp | 63.0 | ℃ | ASTM D1525 |
| Vicat Softening Temp | 63.0 | ℃ | ISO 306 |
| Melting peak temperature | 94.0 | ℃ | ASTM D3418 |
| Melting temperature | |||
| DSC | 94.0 | ℃ | ISO 3146 |
| freezing point | 59 | ℃ | ASTM D3418 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Haze | |||
| 6350 µm | 5.0 | % | ASTM D1003 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Processing (melt) temperature | 185 to 285 | °C | |
| Melt temperature | 185 to 285 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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