eFunda Polymers: Properties of Polyethylene and ethylene copolymers {crosslinked, wire and cable grade}
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Polyethylene and ethylene copolymers		  
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State: crosslinked
Application: wire and cable grade
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Flexural Modulus (MPa)   56 - 97   23 ºC   D790
Tensile Strength (MPa)   11 - 22 at break   D638
  9 - 14 at yield   D638
Elongation at break (%)   180 - 600     D638
Hardness   30 - 65  Shore D   D638

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)  100     D696
Deflection Temperature (ºC)   38 - 79   1.82 MPa   D648

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  0.91 - 1.4   D792
Water Absorption (% weight increase)  0.01 - 0.06  after 24 hrs D570
Dielectric Strength (V/mil);
1/8" thick specimen unless noted		   620 - 760   D149

 Processing Properties Conditions
Type ASTM
Processing Temperature (ºC)  122 - 205  extrusion  
Linear Mold Shrinkage (cm/cm)  0.02 - 0.05   D955

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Suppliers
A. Schulman Akron, OH  800-662-7203
AlphaGary Corp. Leominster, MA  800-232-9741
AT Plastics, Inc. Brampton, Ontario, L6W 3G4, Canada  800-788-4073
Equistar Chemicals LP Houston, TX  888-777-0232
Union Carbide Corp. Danbury, CT  800-335-8550

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