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: | YVBMeh_ELEVATE-EF437.pdf ![]() |
PRICE: | Order Products email sales@su-jiao.com |
Message |
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Westlake EF437 resin is a 2.5% EVA copolymer designed for films that require excellent optical and strength properties. This Kosher compliant resin has excellent heat sealing characteristics and low temperature brittleness properties. Application/Uses: High Clarity Packaging Light and Medium Duty Produce Bags Linear Blend Component for Sealing and Clarity |
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 |
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Density | 0.925 | g/cm³ | ASTM D1505 |
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg) | 2.0 | g/10 min | ASTM D1238 |
Vinyl Acetate Content | 2.5 | wt% |
Films | Nominal Value | Unit | Test Method |
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Film Thickness - Tested | 32 | µm | |
secant modulus 1 | ASTM D882 | ||
1% secant, MD : 32 µm, blown film | 138 | MPa | ASTM D882 |
1% secant, TD : 32 µm, blown film | 152 | MPa | ASTM D882 |
Tensile Strength 2 | ASTM D882 | ||
MD : Broken, 32 µm, blown film | 24.0 | MPa | ASTM D882 |
TD : Broken, 32 µm, blown film | 17.0 | MPa | ASTM D882 |
Tensile Elongation 3 | ASTM D882 | ||
MD : Broken, 32 µm, blown film | 350 | % | ASTM D882 |
TD : Broken, 32 µm, blown film | 700 | % | ASTM D882 |
Dart Drop Impact 4(32 µm, Blown Film) | 150 | g | ASTM D1709A |
Optical | Nominal Value | Unit | Test Method |
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Gloss (45°, 31.8 µm, Blown Film) | 79 | ASTM D2457 | |
Haze (31.8 µm, Blown Film) | 3.3 | % | 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 | |
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Melt Temperature | 182 - 199 | °C |
Extrusion instructions |
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Melt temperatures of 360° F - 390° F are recommended for Westlake Chemical EF437 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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