Properties

Nylon 6 /Polyamides
Cast

Topics   Index

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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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Compression Ratio
---

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,
click on
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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Topics   Index

**************************************
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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