eFunda Polymers: Properties of Liquid Crystal Polymer {unfilled, medium melting point}
engineering fundamentals Polymer Material Properties
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Math
 
Liquid Crystal Polymer		  
List of Suppliers
Additives: unfilled
Application: medium melting point
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)   9660 - 19320  tensile   D638
  2760 - 6210  compressive   D638
Flexural Modulus (MPa)  12213 - 18630   23 ºC   D790
 10350 - 11730   94 ºC   D790
  8970 - 10350  122 ºC   D790
  8280 - 10005  149 ºC   D790
Tensile Strength (MPa)  110 - 187 at break   D638
Compressive Strength (MPa)
at yield or break		   43 - 132     D695
Flexural Strength (MPa)
at yield or break		  132 - 245     D790
Elongation at break (%)   2 - 5     D638
Hardness   76  Rockwell M   D638
  60 - 66  Rockwell R   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   0.9 - 5.3     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   5 - 7     D696
Deflection Temperature (ºC)  180 - 355   1.82 MPa   D648
Thermal Conductivity (W/m-ºC)  0.084     C177

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.35 - 1.84   D792
Water Absorption (% weight increase)  0 - 0.1  saturated D570
 0 - 0.1  after 24 hrs D570
Dielectric Strength (V/mil);
1/8" thick specimen unless noted		   800 - 980   D149

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)  280 - 421  Tm, crystalline  
Processing Temperature (ºC)  283 - 410  injection molding  
Molding Pressure (MPa)   7 - 111    
Compression Ratio  2.5 - 4    
Linear Mold Shrinkage (cm/cm)  0.001 - 0.006   D955

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