eFunda Polymers: Properties of Polypropylene {copolymer, 10 - 40% talc filled}
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Polypropylene		  
List of Suppliers
State: copolymer
Additives: 10 - 40% talc filled
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Flexural Modulus (MPa)   1104 - 2760   23 ºC   D790
Tensile Strength (MPa)   21 - 27 at break   D638
  20 - 29 at yield   D638
Flexural Strength (MPa)
at yield or break		   32 - 36     D790
Elongation at break (%)   20 - 50     D638
Hardness   83 - 88  Rockwell R   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   0.3 - 2.1     D256A

 Thermal Properties Conditions
Pressure State ASTM
Deflection Temperature (ºC)   91 - 127   0.46 MPa   D648
  38 - 74   1.82 MPa   D648

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  0.97 - 1.24   D792
Water Absorption (% weight increase)  0.02  after 24 hrs D570

 Processing Properties Conditions
Type ASTM
Melt Flow (gm/10 min)  0.1 - 30   D1238
Processing Temperature (ºC)  177 - 244  injection molding  
 219 - 247  extrusion  
Molding Pressure (MPa)   104 - 138    
Compression Ratio  2 - 2.5    
Linear Mold Shrinkage (cm/cm)  0.009 - 0.017   D955

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Suppliers
A. Schulman Akron, OH  800-662-7203
Adell Plastics, Inc. Baltimore, MD  800-638-5218
Albis Corp. Rosenburg, TX  800-231-5911
Bamberger Polymers, Inc. Jericho, NY   
DSM Engineering Plastic Products, Inc. Reading, PA  800-729-0101
Federal Plastics Corp. Cranford, NJ  800-541-4424
Ferro Corp. Cleveland, OH   
LG Chemical America, Inc. Englewood Cliffs, NJ   
M.A. Industries, Inc. Peachtree City, GA  800-241-8250
Montell North America Wilmington, DE   
Polifil Corp. Rockaway, NJ   
RTP Co. Winona, MN  800-433-4787
Solvay Engineered Polymers Auburn Hills, MI  800-207-6959
Spartech Polycom Washington, PA  800-538-3149
Spartech Polycom Washington, PA  800-538-3149

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