Nylon 6 /Polyamides
Cast
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Copyright 2002 by Roger D. Corneliussen
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Values are from Modern Plastics Encyclopedia 99.
To jump to a particular property, click on the name listed below.
Melt
Flow
Melting
Temperature
Glass
Transition
Processing Molding Pressure
Processing Molding Temperature
Compression
Ratio
Mold
Shrinkage
Tensile
Strength
Elongation
Tensile
Yield Strength
Compressive
Strength
Flexural
Strength
Tensile
Modulus
Flexural
Modulus
Izod
Impact Strength
Hardness
Deflection
Temperature
Thermal
Expansion
Thermal
Conductivity
Specific
Gravity
Dielectric
Strength
Water
Absorption
Note:
The ASTM numbers are linked to
their descriptions on the ASTM website.
To go to the description, simply
click on the ASTM number
Melt
Flow
ASTM D1238
(gm/10 min)
--- gm /10 min
Melting
Temperature degrees C
Tm Crystalline
227 to 238 C
Glass
Transition
(C)
Tg (Amorphous)
--- C
Processing
Temperature
Range Degrees F
Extrusion
--- F for injection molding
Molding
Pressure Range ( PSI) (ksi)
--- psi
--- ksi
--- MPa
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Mold(Linear)
Shrinkage (in/in)
ASTM D955
--- in/in
Tensile
Strength at Break
ASTM D638
12000 to 13500 psi
80 to 90 MPa
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Elongation
at break (%)
ASTM D638
20 to 45 %
Tensile
Yield Strength (psi)
ASTM D638
--- psi
--- MPa
Compressive
Strength (psi)
Rupture or Yield
ASTM
D695
16000 to 18000 psi
107 to 120 MPa
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Flexural
Strength (psi)
Rupture or Yield
ASTM D790
15500 to 17500 psi
103 to 117 MPa
Tensile
Modulus (psi)
ASTM D638
485000 to 550000 psi
3.2 to 3.7 GPa
To go to Modulus Values,
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Modulus
Compressive
Modulus (psi)
ASTM
D695
300000 to 350000 psi
2.0 to 2.3 GPa
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Flexural
Modulus (psi)
ASTM D790
At 73 F
420000 to 440000 psi
2.8 to 2.9 GPa
At 200 F
--- psi
--- GPa
At 250 F
--- psi
--- GPa
At 300 F
--- psi
--- GPa
Izod
Impact (ft-lb/in of notch)
ASTM D256
0.7 to 0.9 ft lb/in of notch
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Hardness
Rockwell ASTM D785
115 to 125
--
Shore D65 ASTM
D2240/D2583
78 to 83
Coefficient
of Linear Thermal Expansion
(10 exp-6 )in/in/C
50
(10 x exp –6) in/in /C
0.000 050 in/in /C
Deflection
Temperature under flexural load (F)
ASTM D648
264 psi ---
330 to 400 F
66 psi ---
400 to 430 F
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Thermal
Conductivity
(10 x exp –4)al cm/sec cm2 C
ASTM C177
--- (10 x exp –4) cal cm/sec cm2
--- cal cm/sec cm2
Specific
Gravity
ASTM D792
1.15 to 1.17
To go to Density /Specific Gravity Values,
click on
Density
Water
Absorption
(1/8 in thick specimen) (%)
ASTM D570
24 hr --- 0.5 to 0.6%
Saturation
5 to 6 %
Dielectric Strength v/mil
(1/8 in thick Specimen; short time)
500 to 600 v/mil
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Copyright 2002 by Roger D.
Corneliussen
No part of this transmission is to be
duplicated, in any manor, or forwarded by
electronic mail without the express written
permission of Roger D. Corneliussen
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