Westlake LDPE EF378

Category: LDPE , Low Density Polyethylene
Manufacturer: Westlake Chemical Corporation
Trademark: Westlake LDPE
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: srnXbo_Westlake-LDPE-EF378.pdf
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Message
WESTLAKE EF378 is suggested for cast film applications. It has excellent haze and gloss, good strength, good processability, and good heat sealability.

Application/Uses
Diaper liners
General purpose clarity
General Information
Features
  • Highlight
  • Workability, good
  • Good strength
  • Good heat sealability
  • Definition, high
  • General
Uses
  • Lining
  • General
  • Consumer goods application field
Agency Ratings
  • FDA 21 CFR 177.1520
Forms
  • Particle
Processing Method
  • Blow film
  • Extrusion
PhysicalNominal ValueUnitTest Method
Density 0.922g/cm³ASTM D1505
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)4.0g/10 minASTM D1238
FilmsNominal ValueUnitTest Method
Film Thickness - Tested 32µm
secant modulus 1ASTM D882
    1% secant, MD : 32 µm, blown film 172MPaASTM D882
    1% secant, TD : 32 µm, blown film 200MPaASTM D882
Tensile Strength 2ASTM D882
    MD : Broken, 32 µm, blown film 24.1MPaASTM D882
    TD : Broken, 32 µm, blown film 18.6MPaASTM D882
Tensile Elongation 3ASTM 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)80gASTM D1709
OpticalNominal ValueUnitTest Method
Gloss (45°, 31.8 µm, Blown Film)70ASTM D2457
Haze (31.8 µm, Blown Film)5.5%ASTM D1003
Additional Information
Test specimens for blown film: nominal thickness 1.25 mils; blow up ratio 2.5:1, die gap 35 mils.Melt temperatures of 360° F - 390° F are recommended for Westlake Chemical EF378 with blow-up ratios of 1.5:1 or higher.
ExtrusionNominal ValueUnit
Melt Temperature 182 - 199°C
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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