eFunda Polymers: Properties of Polyamide {nylon (PA 66), unreinforced, toughened}
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Polyamide		  
List of Suppliers
State: nylon (PA 66)
Additives: unreinforced, toughened
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)   2001  tensile  dry (0.2% water content) D638
  849  tensile  50% relative humidity D638
Flexural Modulus (MPa)   1553 - 2622   23 ºC  dry (0.2% water content) D790
  863 - 1035   23 ºC  50% relative humidity D790
Tensile Strength (MPa)   49 - 76 at break  dry (0.2% water content) D638
  41 at break  50% relative humidity D638
  51 - 52 at yield  dry (0.2% water content) D638
  38 at yield  50% relative humidity D638
Flexural Strength (MPa)
at yield or break		   59 - 101  dry (0.2% water content)   D790
Flexural Strength (MPa)
at yield or break		   28  50% relative humidity   D790
Elongation at break (%)   4 - 200    dry (0.2% water content) D638
  150 - 300    50% relative humidity D638
Hardness   60  Rockwell M  dry (0.2% water content) D638
 100  Rockwell R  dry (0.2% water content) D638
 107  Rockwell R  dry (0.2% water content) D638
 113  Rockwell R   D638
 114 - 115  Rockwell R  dry (0.2% water content) D638
  50  Rockwell M  50% relative humidity D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   1.6 - 0    dry (0.2% water content) D256A
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   0.7 - 0    50% relative humidity D256A

 Thermal Properties Conditions
Pressure State ASTM
Coef of Thermal Expansion (10-6/ºC)   80     D696
Deflection Temperature (ºC)  197 - 228   0.46 MPa  dry (0.2% water content) D648
  60 - 80   1.82 MPa  dry (0.2% water content) D648

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.06 - 1.11   D792
Water Absorption (% weight increase)  7.2  saturated D570
 0.8 - 2.3  after 24 hrs D570

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)  240 - 265  Tm, crystalline  
Processing Temperature (ºC)  272 - 305  injection molding  
Molding Pressure (MPa)   7 - 138    
Linear Mold Shrinkage (cm/cm)  0.012 - 0.018   D955

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Suppliers
A. Schulman Akron, OH  800-662-7203
Adell Plastics, Inc. Baltimore, MD  800-638-5218
ALM Corp. Wayne, NJ   
Ashley Polymers Brooklyn, NY   
Bamberger Polymers, Inc. Jericho, NY   
BASF Corp. Mount Olive, NJ  800-BC-RESIN
ComAlloy International Co. Nashville, TN   
DSM Engineering Plastic Products, Inc. Reading, PA  800-729-0101
DuPont Co., Polymers Wilmington, DE  800-438-7225
Ferro Corp. Cleveland, OH   
LNP Engineering Plastics, Inc. Exton, PA  800-854-8774
M.A. Hanna Engineered Materials Norcross, GA   
MRC Polymers, Inc. Chicago, IL   
Network Polymers, Inc. Akron, OH  888-437-4674
Nyltech NA Co., Inc. Manchester, NH   
Polymers International, Inc. Spartanburg, SC   
RTP Co. Winona, MN  800-433-4787
Solutia, Inc. St Louis, MO   
Ticona Summit, NJ  800-526-4960
Wellman, Inc. Johnsonville, SC   

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