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Ionomer		  
List of Suppliers
Additives: glass and rubber modified
Application: molding and extrusion
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Flexural Modulus (MPa)   56 - 4830   23 ºC   D790
Tensile Strength (MPa)   25 - 55 at break   D638
  9 - 32 at yield   D638
Elongation at break (%)   5 - 200     D638
Hardness   43 - 70  Shore D   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   1.0 - 1.3     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   50 - 100     D696
Deflection Temperature (ºC)   55 - 205   0.46 MPa   D648

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  0.95 - 1.2   D792
Water Absorption (% weight increase)  0.1 - 0.5  after 24 hrs D570

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)   81 - 220  Tm, crystalline  
Processing Temperature (ºC)  149 - 205  compression molding  
 149 - 288  injection molding  
 177 - 274  extrusion  
Molding Pressure (MPa)   14 - 138    
Compression Ratio  3    
Linear Mold Shrinkage (cm/cm)  0.002 - 0.008   D955

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Suppliers
A. Schulman Akron, OH  800-662-7203
DuPont Co., Polymers Wilmington, DE  800-438-7225
Network Polymers, Inc. Akron, OH  888-437-4674

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