**************************************
Copyright 2002 by Roger D. Corneliussen
**************************************
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)
3 to 10 gm /10 min
Melting
Temperature degrees C
Tm Crystalline
--- C
To go back to contents,
click on
Contents
Glass
Transition
(C)
Tg (Amorphous)
150 C
Processing
Temperature
Range Degrees F
Extrusion
560 F for injection molding
Molding
Pressure Range ( PSI) (ksi)
10000 to 20000 psi
10 to 20 ksi
67to 133 MPa
To go back to contents,
click on
Contents
Compression
Ratio
1.74 to 5.5
Mold(Linear)
Shrinkage (in/in)
ASTM D955
0.005 to 0.007 in/in
Tensile
Strength at Break
ASTM D638
9100 to 10500 psi
61 to 70 MPa
To go back to contents,
click on
Contents
Elongation
at break (%)
ASTM D638
110 to 120 %
Tensile
Yield Strength (psi)
ASTM D638
9000 psi
60 MPa
Compressive
Strength (psi)
Rupture or Yield
ASTM
D695
10000 to 12500 psi
67 to 83 MPa
To go back to contents,
click on
Contents
Flexural
Strength (psi)
Rupture or Yield
ASTM D790
12000 to 13500 psi
80 to 90 MPa
Tensile
Modulus (psi)
ASTM D638
345000 psi
2.3 GPa
To go to Modulus Values,
click on
Modulus
Compressive
Modulus (psi)
ASTM
D695
350000 psi
2.3 GPa
To go back to contents,
click on
Contents
Flexural
Modulus (psi)
ASTM D790
At 73 F
330000 to 340000 psi
2.2 to 2.3 GPa
At 200 F
275000 psi
1.8 GPa
At 250 F
245000 psi
1.6 GPa
At 300 F
--- psi
--- GPa
Izod
Impact (ft-lb/in of notch)
ASTM D256
12 to 18 ft lb/in of notch (1/8 in)
2.3 ft lb/in of notch (1/4 in)
To go back to contents,
click on
Contents
Hardness
Rockwell ASTM D785
M70 to M75
--
Shore D65 ASTM
D2240/D2583
D55-65
Coefficient
of Linear Thermal Expansion
68
(10 x exp –6) in/in /C
0.000 068 to 0.000 150 in/in /C
Deflection
Temperature under flexural load (F)
ASTM D648
264 psi ---
250 to 270 F
66 psi ---
280 to 287 F
To go back to contents,
click on
Contents
Thermal
Conductivity
ASTM C177
4.7 (10 x exp –4) cal cm/sec cm2
0.00047 cal cm/sec cm2
Specific
Gravity
ASTM D792
1.2
To go to Density /Specific Gravity Values,
click on
Density
Water
Absorption
(1/8 in thick specimen) (%)
ASTM D570
24 hr --- 0.15%
Saturation
0.32 to 0.35 %
Dielectric Strength v/mil
(1/8 in thick Specimen; short time)
380 to >400 v/mil
**************************************
To go back to contents,
click on
Contents
To
go back to the top of this page, click on
Top
To
go back to Polycarbonates
in the Topic Index,
click on
Polycarbonates
To
go back to Search click on
Search
To
go back to Topic Index click on
Principal
Topics
To
go back to the Home Page click on
Home
**************************************
Number of visits since 4/6/2000: