Westlake LDPE EC 478 Westlake Chem Polyethylene, Low Density

General

Material Status

Availability

Features

Uses

Agency Ratings

Forms

Processing Method

Physical	Nominal Value	Unit	Test Method
Density		g/cm³	ASTM D1505
Melt Mass-Flow Rate (MFR) (190°C/2.16 kg)		g/10 min	ASTM D1238
Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus		psi	ASTM D1709
Tensile Strength (Break)		psi	ASTM D638
Tensile Elongation (Break)		%	ASTM D638
Films	Nominal Value	Unit	Test Method
Carbon Dioxide Transmission Rate (73°F)		cm³/100 in²/24 hr	ASTM D1434
Nitrogen Transmission Rate (73°F)		cm³/100 in²/24 hr	ASTM D1434
Oxygen Permeability (73°F)		cm³/100 in²/24 hr	ASTM D1434
Water Vapor Transmission^2, 3		g/100 in²/24 hr	ASTM E96
Thermal	Nominal Value	Unit	Test Method
Vicat Softening Temperature		°F	ASTM D1525
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Westlake LDPE EC 478, Westlake LDPE , WestlakeLDPEEC478, WestlakeLDPE, LDPEEC 478, LDPE, LDPEEC478, EC 478, EC478, Polyethylene, Low Density, Polyethylene Low Density, Polyethylene, PE, Westlake Chem, PolyethyleneLowDensity, 478EC, 478LDPEEC
Features
Features may also be described by the following terms: Moisture Barrier, Good Heat Seal, Good Drawdown, Good draw down, Good Adhesion.
Uses
Uses may also be described by the following terms: Food Containers, Food Container.
Agency Ratings
This plastic material has 1 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): FDA (1).

Extrusion	Nominal Value	Unit
Melt Temperature		°F
Extrusion Notes
The very good flow properties of Westlake Polymers' EC 478 permit high-speed coatings at weights from 4 lbs. / 3,000 sq. ft. and up. Suggested melt temperature range for extrusion coating EC 478 is 575° to 625°F.

Notes

¹Typical properties: these are not to be construed as specifications.

²Procedure E

³37.8°C

Westlake LDPE EC 478