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ELEVATE™ EF439
| Category: | EVA , Ethylene Vinyl Acetate Copolymer |
| Manufacturer: | Westlake Chemical Corporation |
| Trademark: | ELEVATE™ |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | 4uwcx9_ELEVATE-EF439.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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Westlake EF439 resin is a 4.0% EVA copolymer designed for films that require excellent haze and gloss and impact strength. This Kosher compliant resin also has excellent heat sealing characteristics and low temperature brittleness properties. Application/Uses: High clarity packaging High impact |
| General Information | |
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| Features |
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| Uses |
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| Agency Ratings |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Density | 0.927 | g/cm³ | ASTM D1505 |
| Melt Mass-Flow Rate (MFR) | 1.4 | g/10 min | ASTM D1238 |
| Vinyl Acetate Content | 4.0 | wt% |
| Films | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Film Thickness - Tested | 32 | µm | |
| secant modulus 1 | ASTM D882 | ||
| 1% secant, MD : 32 µm, blown film | 145 | MPa | ASTM D882 |
| 1% secant, TD : 32 µm, blown film | 179 | MPa | ASTM D882 |
| Tensile Strength 2 | ASTM D882 | ||
| MD : Broken, 32 µm, blown film | 27.6 | MPa | ASTM D882 |
| TD : Broken, 32 µm, blown film | 21.4 | MPa | ASTM D882 |
| Tensile Elongation 3 | ASTM D882 | ||
| MD : Broken, 32 µm, blown film | 300 | % | ASTM D882 |
| TD : Broken, 32 µm, blown film | 600 | % | ASTM D882 |
| Dart Drop Impact 4(32 µm, Blown Film) | 250 | g | ASTM D1709 |
| Optical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Gloss (45°, 31.8 µm, Blown Film) | 72 | ASTM D2457 | |
| Haze (31.8 µm, Blown Film) | 4.4 | % | ASTM D1003 |
| Additional Information |
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| Test specimens for blown film: nominal thickness 1.25 mils; blow up ratio 2.5:1, die gap 35 mils. |
| Extrusion | Nominal Value | Unit | |
|---|---|---|---|
| Melt Temperature | 182 - 199 | °C |
| Extrusion instructions |
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| Melt temperatures of 360° F - 390° F are recommended for Westlake Chemical EF439 with blow-up ratios of 1.5:1 or higher. |
| Note Message | |
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| 1 . | Test run at 23°C (73°F) and 50% relative humidity |
| 2 . | Test run at 23°C (73°F) and 50% relative humidity |
| 3 . | Test run at 23°C (73°F) and 50% relative humidity |
| 4 . | Test run at 23°C (73°F) and 50% relative humidity |
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