eFunda Polymers: Properties of Polyethylene and ethylene copolymers {ethylene / vinyl acetate, low density copolymer}
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Polyethylene and ethylene copolymers		  
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State: ethylene / vinyl acetate, low density copolymer
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)   49 - 201  tensile   D638
Flexural Modulus (MPa)   54   23 ºC   D790
Tensile Strength (MPa)   16 - 28 at break   D638
  9 - 42 at yield   D638
Elongation at break (%)   200 - 750     D638
Hardness   17 - 45  Shore D   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		  no break     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)  160 - 200     D696

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  0.922 - 0.943   D792
Water Absorption (% weight increase)  0.005 - 0.13  after 24 hrs D570
Dielectric Strength (V/mil);
1/8" thick specimen unless noted		   620 - 760   D149

 Processing Properties Conditions
Type ASTM
Melt Flow (gm/10 min)  1.4 - 2   D1238
Melting Temperature (ºC)  103 - 110  Tm, crystalline  
Processing Temperature (ºC)   94 - 149  compression molding  
 177 - 222  injection molding  
 149 - 194  extrusion  
Molding Pressure (MPa)   7 - 138    
Linear Mold Shrinkage (cm/cm)  0.007 - 0.035   D955

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Suppliers
A. Schulman Akron, OH  800-662-7203
AT Plastics, Inc. Brampton, Ontario, L6W 3G4, Canada  800-788-4073
Chevron Chemical Co. Houston, TX  800-231-3828
DuPont Co., Polymers Wilmington, DE  800-438-7225
Equistar Chemicals LP Houston, TX  888-777-0232
Exxon Chemical Co. Houston, TX  800-231-6633
Federal Plastics Corp. Cranford, NJ  800-541-4424
Huntsman Corp. Salt Lake City, UT  800-421-2411
Mobil Chemical Co. Edison, NJ   
Network Polymers, Inc. Akron, OH  888-437-4674
Union Carbide Corp. Danbury, CT  800-335-8550
Westlake Plastics Co. Lenni, PA  800-999-1700

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