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
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Message
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
Features
  • Kosher certification
  • Highlight
  • Copolymer
  • Impact resistance, high
  • Good heat sealability
  • Low temperature resistance
  • Definition, high
Uses
  • Packaging
Agency Ratings
  • FDA 21 CFR 177.1350
Processing Method
  • Blow film
  • Extrusion
PhysicalNominal ValueUnitTest Method
Density 0.927g/cm³ASTM D1505
Melt Mass-Flow Rate (MFR) 1.4g/10 minASTM D1238
Vinyl Acetate Content 4.0wt%
FilmsNominal ValueUnitTest Method
Film Thickness - Tested 32µm
secant modulus 1ASTM D882
    1% secant, MD : 32 µm, blown film 145MPaASTM D882
    1% secant, TD : 32 µm, blown film 179MPaASTM D882
Tensile Strength 2ASTM D882
    MD : Broken, 32 µm, blown film 27.6MPaASTM D882
    TD : Broken, 32 µm, blown film 21.4MPaASTM D882
Tensile Elongation 3ASTM 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)250gASTM D1709
OpticalNominal ValueUnitTest Method
Gloss (45°, 31.8 µm, Blown Film)72ASTM D2457
Haze (31.8 µm, Blown Film)4.4%ASTM D1003
Additional Information
Test specimens for blown film: nominal thickness 1.25 mils; blow up ratio 2.5:1, die gap 35 mils.
ExtrusionNominal ValueUnit
Melt Temperature 182 - 199°C
Extrusion instructions
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
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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