eFunda Polymers: Properties of Polyamide {nylon (PA 66), unreinforced, flame-retardant grade}
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Polyamide		  
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State: nylon (PA 66)
Additives: unreinforced
Application: flame-retardant grade
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Elastic Modulus (MPa)   2898  tensile  dry (0.2% water content) D638
Flexural Modulus (MPa)   2760 - 2898   23 ºC  dry (0.2% water content) D790
Tensile Strength (MPa)   59 - 74 at break  dry (0.2% water content) D638
  74 at yield   D638
Compressive Strength (MPa)
at yield or break		  173     D695
Flexural Strength (MPa)
at yield or break		   97 - 104  dry (0.2% water content)   D790
Elongation at break (%)   4 - 10    dry (0.2% water content) D638
Hardness   82  Rockwell M  dry (0.2% water content) D638
 119  Rockwell R   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted		   0.3 - 0.8    dry (0.2% water content) D256A

 Thermal Properties Conditions
Pressure State ASTM
Deflection Temperature (ºC)  210 - 213   0.46 MPa   D648
  77 - 94   1.82 MPa   D648

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.25 - 1.42   D792
Water Absorption (% weight increase)  0.9 - 1.1  after 24 hrs D570
Dielectric Strength (V/mil);
1/8" thick specimen unless noted		   520   D149

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)  249 - 265  Tm, crystalline  
Processing Temperature (ºC)  260 - 294  injection molding  
Linear Mold Shrinkage (cm/cm)  0.01 - 0.016   D955

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Suppliers
Ashley Polymers Brooklyn, 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
EMS-American Grilon, Inc. Sumter, SC   
M.A. Hanna Engineered Materials Norcross, GA   
Nyltech NA Co., Inc. Manchester, NH   
Polymers International, Inc. Spartanburg, SC   
RTP Co. Winona, MN  800-433-4787
Wellman, Inc. Johnsonville, SC   

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