eFunda Polymers: Properties of Polypropylene {homopolymer, 10 - 30% glass fiber reinforced}
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Polypropylene		  
List of Suppliers
State: homopolymer
Additives: 10 - 30% glass fiber reinforced
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)   4830 - 6900  tensile   D638
Flexural Modulus (MPa)   2139 - 5382   23 ºC   D790
Tensile Strength (MPa)   45 - 90 at break   D638
  49 - 69 at yield   D638
Compressive Strength (MPa)
at yield or break		   45 - 58     D695
Flexural Strength (MPa)
at yield or break		   49 - 138     D790
Elongation at break (%)   2 - 7     D638
Hardness   92 - 115  Rockwell R   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   0.5 - 1.2     D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   21 - 62     D696
Deflection Temperature (ºC)  144 - 160   0.46 MPa   D648
 123 - 143   1.82 MPa   D648
Thermal Conductivity (W/m-ºC)  0.230 - 0.259     C177

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  0.97 - 1.14   D792
Water Absorption (% weight increase)  0.01 - 0.05  after 24 hrs D570

 Processing Properties Conditions
Type ASTM
Melt Flow (gm/10 min)  1 - 20   D1238
Melting Temperature (ºC)  168  Tm, crystalline  
Processing Temperature (ºC)  219 - 247  injection molding  
Linear Mold Shrinkage (cm/cm)  0.002 - 0.008   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   
ComAlloy International Co. Nashville, TN   
DSM Engineering Plastic Products, Inc. Reading, PA  800-729-0101
Federal Plastics Corp. Cranford, NJ  800-541-4424
Ferro Corp. Cleveland, OH   
LNP Engineering Plastics, Inc. Exton, PA  800-854-8774
Montell North America Wilmington, DE   
MRC Polymers, Inc. Chicago, IL   
Network Polymers, Inc. Akron, OH  888-437-4674
Polifil Corp. Rockaway, NJ   
R.S.G. Polymers Corp. Stony Brook, NY   
RTP Co. Winona, MN  800-433-4787
Solvay Advanced Polymers, L.L.C. Alpharetta, GA  800-621-4557
Spartech Polycom Washington, PA  800-538-3149
Thermofil, Inc. Brighton, MI  800-444-4408
Washington Penn Plastic Co. Washington, PA   

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