Kynar 740
Kynar 2850
 
 
 
Units
ASTM Test Method
Extruded Polyvinylidene Fluoride
Extruded Polyvinylidene Fluoride
MECHANICAL
1
Strength to Weight Ratio
ksi
-
 
 
2
Specific Gravity @73 F
-
D792
1.77-1.79
1.76-1.78
3
Tensile Strength @73 F, (ult)/(yld)
psi
D638
7000 (yld)
5000 (yld)
4
Tensile Modulus of Elasticity @ 73 F
psi
D638
250000
125000
5
Tensile Elongation at Break @ 73 F
%
D638
50-250
300-400
6
Flexural Strength @ 73 F
psi
D790
8000
-
7
Flexural Modulus of Elasticity @ 73 F
psi
D790
250000
170000
8
Shear Strength @ 73 F
psi
D732
-
-
9
Compressive Strength, (% Deformation) @73 F
psi
D695
10000 (10)
-
10
Compressive Modulus of Elasticity @73 F
psi
D695
-
-
11
Hardness, Rockwell, Scale as noted @73 F
-
D785
-
-
12
Hardness, Durometer, Shore D @73 F
-
D2240
D78
D70
13
Izod Impact, (Notched) @73 F
ft-lb/in of notch
D256 TypeA
3.0
6-10
14
Coefficient of Friction, (Dry vs. Steel) Dynamic
-
-
-
-
15
Limiting PV, (with 4 to 1 factor of safety applied)
psi-ft/min
-
-
-
THERMAL
16
Coefficient of Linear Thermal Expansion @73 F
in/in/F
E-831 (TMA)
6.6E-05
7.8E-05
17
Heat Deflection Temperature @ 264 psi
F
D648
221
104
18
Tg-Glass transition temperature, (Amorphous)
F
D3418
-
-
19
Melting Point, (VS=Vicat Softening Temp.)
F
D3418
-
-
20
Continuous Service Temperature in Air, (Max.)
F
-
-
-
21
Thermal Conductivity
BTU-in/hr-ft2-F
-
1.18
1.11
ELECTRICAL
22
Dielectric Strength, Short Term
Volts/mil
D149
-
-
23
Volume Resistivity
ohm-cm
D257
2.0E+14
2.0E+14
24
Dielectric Constant @ 10E6 Hz
-
D150
-
-
25
Dissipation Factor @ 10E6 Hz
-
D150
-
-
26
Flammability @ 3.1 mm unless noted
-
UL94
-
-
H2O
27
Water Absorbtion, Immersion, 24 Hrs
% by wt.
D570(7)
0.03
0.04
28
Water Absorbtion, Saturation
% by wt.
D570(7)
-
-

 

 

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