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Master Bond adhesives

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Westlake EC 475 Low Density Polyethylene  (discontinued **)
Categories: Polymer; Film; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Molded

Material Notes: Applications
  • Medium and Light Weight Coatings and Laminations
  • Coated on Substrates to Provide Heat Sealability
  • Hot Melt Laminating Adhesive
  • General Purpose Coating
Properties
  • Excellent Adhesion
  • Very Low Neck-in
  • Excellent Heat Sealability
  • Very Good Drawdown
  • Good Moisture Barrier

FDA: This material complies with FDA regulations in 21 CFR, section 177.1520, paragraph C, section 2.1, for use in articles that contact food. Kosher approved

Processing: Westlake Polymers EC 475 is one of the most easily processed polyethylene coatings. Excellent draw down and relatively low viscosity permits high line speeds at weights as low as 4 lbs. / 3,000 sq. ft. Low sensitivity to fluctuations in melt temperature allows Westlake Polymers EC 475 to be easily processed at melt temperatures of 575° to 625°F. For heavy coatings onto cellophane, 570°F is recommended. Neck-in is minimized, odor and smoke is reduced.

Information provided by Westlake Chemical Corporation

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Physical PropertiesOriginal ValueComments
Density 0.917 g/ccASTM D1505
Water Vapor Transmission 15.5 g/m²/day
@Temperature 37.8 °C
ASTM D96(E)
Oxygen Transmission 500 cc-mil/100 in²-24hr-atmASTM D1434
Nitrogen Transmission 200 cc-mil/100 in²-24hr-atmASTM D1434
Carbon Dioxide Transmission 1800 cc-mil/100 in²-24hr-atmASTM D1434
Melt Flow 7.0 g/10 minASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Ultimate 1400 psiASTM D638
Elongation at Break 400 %ASTM D638
Tensile Modulus 16000 psiASTM D1709
 
Thermal PropertiesOriginal ValueComments
Vicat Softening Point 88.0 °CASTM D1525
 
Processing PropertiesOriginal ValueComments
Melt Temperature 575 - 625 °F
 
Compliance PropertiesOriginal ValueComments
FDA Yes

**
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PWESG026 / 72672

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