eFunda Polymers: Properties of Vinyl polymers and copolymers {chlorinated poly(vinyl-chloride), molding and extrusion compounds}
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Vinyl polymers and copolymers		  
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State: chlorinated poly(vinyl-chloride)
Application: molding and extrusion compounds
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)   1463 - 4140  compressive   D638
  2250 - 3278  tensile   D638
Flexural Modulus (MPa)   2305 - 3105   23 ºC   D790
Tensile Strength (MPa)   45 - 63 at break   D638
  42 - 57 at yield   D638
Compressive Strength (MPa)
at yield or break		   63 - 152     D695
Flexural Strength (MPa)
at yield or break		   80 - 118     D790
Elongation at break (%)   4 - 100     D638
Hardness  109 - 117  Rockwell R   D638
  82 - 88  Shore   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   0.5 - 5.3     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   52 - 78     D696
Deflection Temperature (ºC)  102 - 120   0.46 MPa   D648
  90 - 113   1.82 MPa   D648
Thermal Conductivity (W/m-ºC)  0.138     C177

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.39 - 1.58   D792
Water Absorption (% weight increase)  0.02 - 0.16  after 24 hrs D570
Dielectric Strength (V/mil);
1/8" thick specimen unless noted		   600 - 625   D149

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)  110 - 127  Tg, amorphous  
Processing Temperature (ºC)  177 - 205  compression molding  
 202 - 227  injection molding  
 183 - 222  extrusion  
Molding Pressure (MPa)   104 - 276    
Compression Ratio  1.5 - 2.8    
Linear Mold Shrinkage (cm/cm)  0.003 - 0.007   D955

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Suppliers
BF Goodrich Co. Twinsburg, OH  800-425-1634
Elf Atochem North America, Inc. Philadelphia, PA  800-225-7788
Georgia Gulf Corp. Atlanta, GA   

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