TECAMID™ 66

About
Nylon was the first engineering resin. It has been used in applications ranging from electronic, marine, and automotive industries to fibers used to make carpet. Nylon has outstanding wear resistance and low frictional properties. It has very good temperature, chemical, and impact properties. However, nylon’s one weakness is a propensity to absorb moisture and thus have poor dimensional stability. TECAMID® has an excellent balance of properties which make it an ideal material for metal replacement in applications such as automotive parts, industrial valves, railway tie insulators, and other industry uses whose design requirements include high strength, toughness, and weight reduction. TECAMID™ 6/6 Type 6/6 general purpose standard grade nylon. Extruded in natural and black. (Weather Resistant Black Grade is also available as a custom.) TECAMID™ 6/12 Type 6/12 nylon. This nylon has lower moisture absorpton rates than nylon 6/6, hence superior dimensional stability. TECAMID™ ST Type 6/6 nylon. Super Tough nylon. Increased impact resistance and toughness over Tecamid™ 6/6. TECAMID™ HS Type 6/6 nylon. Heat Stabilized nylon. Increased ability to withstand the negative effects of heat exposure and increased overall service temperature over Tecamid™ 6/6.&&

Product Description
SupplierEnsinger
GenericPA66
Material StatusCommercial: Active
FeaturesGood Rigidity,Good flexibility,High impact resistance,Low coefficient of friction,Good wear resistance,Solvent resistance,V-2
AvailabilitysNorth America

Technical Data
PHYSICALNominal valueUnitTest method
Density1.14g/cm³ASTM D792
Water absorption rate ASTM D570
23℃,24hr1.2%ASTM D570
Saturation, 23 ℃8.5%ASTM D570

IMPACTNominal valueUnitTest method
Notched impact strength of cantilever beam
23℃59J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature ASTM D648
0.45 MPa, unannealed235ASTM D648
1.8 MPa, unannealed90.0ASTM D648
Melting temperature255ASTM D2133
Linear coefficient of thermal expansion
MD8.1E-51/℃ASTM D696
specific heat1670J/kg/℃
Maximum operating temperature 
Intermittent149
long-term85UL 746B

Electrical performanceNominal valueUnitTest method
Volume resistivity1.0E+15ohms·cmASTM D257
Dielectric strength12 to 16kV/mmASTM D149
Dielectric constant ASTM D150
23 ℃,60 Hz4.00 ASTM D150
23 ℃,1 MHz3.60 ASTM D150
Dissipation factor
23℃,60 Hz0.010 ASTM D150

FLAME CHARACTERISTICSNominal valueUnitTest method
3.00 mmV-2 UL 94

MECHANICALNominal valueUnitTest method
Rockwell hardness ASTM D785
M-level90 ASTM D785
R-level120 ASTM D785
Tensile modulus2410MPaASTM D638
tensile strength
Yield, 23 ℃82.7MPaASTM D638
Tensile strain
Fracture, 23 ℃25%ASTM D638
Bending modulus
23℃3030MPaASTM D790
bending strength
23℃107MPaASTM D790
compressive strength34.5MPaASTM D695
friction coefficient
With oneself – dynamic0.26 ASTM D1894
Wear factor
0.28 MPa,0.25 m/sec40010^-8 mm³/N·mASTM D3702

Notes
1. Typical properties: these are not to be construed as specifications.
2. 40 psi, 50 fpm
3. 50% RH
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