|
|
|
|
|
|
Virgin
Teflon
|
25%
Glass Reinforced Teflon
|
Fluorosint
207
|
Fluorosint
500
|
Semitron
ESD500
|
|
|
|
|
Units
|
ASTM
Test Method
|
Polytetrafluoro-ethylene
|
25%
Glass Filled Polytetrafluoro-ethylene
|
FDA
Synthetic Mica-Filled PTFE
|
Synthetic
Mica-Filled PTFE
|
Electrostatic
Dissapative PTFE
|
|
MECHANICAL
|
1
|
Strength
to Weight Ratio
|
ksi
|
-
|
|
|
|
|
|
|
2
|
Specific
Gravity @73 F
|
-
|
D792
|
2.16
|
2.22
|
2.30
|
2.32
|
2.30
|
|
3
|
Tensile
Strength @73 F, (ult)/(yld)
|
psi
|
D638
|
4500
(ult)
|
2800
(ult)
|
1500
|
1100
|
1500
|
|
4
|
Tensile
Modulus of Elasticity @ 73 F
|
psi
|
D638
|
-
|
-
|
250000
|
300000
|
250000
|
|
5
|
Tensile
Elongation at Break @ 73 F
|
%
|
D638
|
400
|
325
|
50
|
10
|
50
|
|
6
|
Flexural
Strength @ 73 F
|
psi
|
D790
|
-
|
-
|
2000
|
2200
|
2200
|
|
7
|
Flexural
Modulus of Elasticity @ 73 F
|
psi
|
D790
|
50000-90000
|
-
|
350000
|
500000
|
350000
|
|
8
|
Shear
Strength @ 73 F
|
psi
|
D732
|
-
|
-
|
1700
|
2100
|
1700
|
|
9
|
Compressive
Strength, (% Deformation) @73 F
|
psi
|
D695
|
600
(1)
|
1000
(1)
|
3800
(10)
|
4000
(10)
|
3800
(10)
|
|
10
|
Compressive
Modulus of Elasticity @73 F
|
psi
|
D695
|
-
|
-
|
225000
|
250000
|
225000
|
|
11
|
Hardness,
Rockwell, Scale as noted @73 F
|
-
|
D785
|
-
|
-
|
(R50)
|
(R55)
|
(R50)
|
|
12
|
Hardness, Durometer,
Shore D @73 F
|
-
|
D2240
|
D55
|
D54
|
D65
|
D70
|
D65
|
|
13
|
Izod
Impact, (Notched) @73 F
|
ft-lb/in
of notch
|
D256
TypeA
|
3.0
|
-
|
1.0
|
0.9
|
1.0
|
|
14
|
Coefficient
of Friction, (Dry vs. Steel) Dynamic
|
-
|
-
|
.05-.08
|
.10-.13
|
0.17
|
0.18
|
0.17
|
|
15
|
Limiting
PV, (with 4 to 1 factor of safety applied)
|
psi-ft/min
|
-
|
-
|
-
|
8000
|
8000
|
8000
|
|
THERMAL
|
16
|
Coefficient
of Linear Thermal Expansion @73 F
|
in/in/F
|
E-831
(TMA)
|
7.0E-05
|
3-8E-05
|
5.7E-05
|
2.4E-05
|
5.7E-05
|
|
17
|
Heat
Deflection Temperature @ 264 psi
|
F
|
D648
|
115
|
-
|
210
|
270
|
210
|
|
18
|
Tg-Glass
transition temperature, (Amorphous)
|
F
|
D3418
|
-
|
-
|
-
|
-
|
-
|
|
19
|
Melting
Point, (VS=Vicat Softening Temp.)
|
F
|
D3418
|
621
|
621
|
621
|
621
|
621
|
|
20
|
Continuous
Service Temperature in Air, (Max.)
|
F
|
-
|
500
|
500
|
500
|
500
|
500
|
|
21
|
Thermal
Conductivity
|
BTU-in/hr-ft2-F
|
-
|
1.70
|
2.60
|
-
|
5.30
|
-
|
|
ELECTRICAL
|
22
|
Dielectric
Strength, Short Term
|
Volts/mil
|
D149
|
600
|
-
|
200
|
275
|
-
|
|
23
|
Volume
Resistivity
|
ohm-cm
|
D257
|
>10E+18
|
-
|
>1E13
|
>1E14
|
1E11-1E13
|
|
24
|
Dielectric
Constant @ 10E6 Hz
|
-
|
D150
|
-
|
-
|
2.7
|
2.9
|
-
|
|
25
|
Dissipation
Factor @ 10E6 Hz
|
-
|
D150
|
-
|
-
|
0.008
|
0.008
|
-
|
|
26
|
Flammability @
3.1 mm unless noted
|
-
|
UL94
|
V-0
|
-
|
V-0
|
V-0
|
V-0
|
|
H2O
|
27
|
Water
Absorbtion, Immersion, 24 Hrs
|
%
by wt.
|
D570(7)
|
0.00
|
-
|
0.03
|
0.10
|
0.03
|
|
28
|
Water
Absorbtion, Saturation
|
%
by wt.
|
D570(7)
|
-
|
-
|
2.00
|
3.00
|
2.00
|
