| About |
|---|
| DuPont™ Vamac® GLS is a terpolymer of ethylene, methyl acrylate, and a cure site monomer cured using a diamine-based vulcanization system. Compared with Vamac® G, Vamac® GLS offers significantly improved resistance to oil swell and chemicals such as diesel fuel. Vamac® GLS elastomer contains a small amount of processing aid and has a nominal specific gravity of 1.06. It has a mild acrylic odor. Storage stability is excellent.&& |
| Product Description | |
|---|---|
| Supplier | DuPont |
| Generic | AEM |
| Material Status | Commercial: Active |
| Features | Grease resistance,Solvent resistance,Terpolymer |
| Availabilitys | North America,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Mooney viscosity | ASTM D1646 | ||
| ML 1+4，100℃ | 19 | MU | |
| MS 1，121℃ | > 15 | MU | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 68 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 16.1 | MPa | ASTM D412 |
| 100% strain | 6.40 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | 270 | % | ASTM D412 |
| tear strength | |||
| 23℃ | 33.3 | kN/m | ASTM D624 |
| Compression deformation | ASTM D395 | ||
| 150℃，70 hr | 20 | % | |
| 150℃，168 hr | 28 | % |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| The rate of change in tensile strength in air | ASTM D573 | ||
| 150℃，168 hr | -3.0 | % | |
| 100% strain, 150 ℃, 168 hr | 5.0 | % | |
| 175℃，336 hr | -5.0 | % | |
| 100% strain, 175 ℃, 336 hr | 47 | % | |
| The rate of change in ultimate elongation in air | ASTM D573 | ||
| 150℃，168 hr | 2.0 | % | |
| 175℃，336 hr | -29 | % | |
| The rate of change in hardness of a hardness tester in the air | ASTM D573 | ||
| Support A, 150 ℃, 168 hr | 4.0 | ||
| Support A, 175 ℃, 336 hr | 18 | ||
| Volume change | |||
| 150 ℃, 70 hr, in IRM 903 oil | 27 | % | ASTM D471 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Glass transition temperature | -30.0 | ℃ | ASTM D3418 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Mooney Scorch（Time to 10unit rise，121℃） | 10.1 | min | ASTM D1646 |
| volatility | wt% | Internal Method |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die C |
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