ISO 9001:2015 Certified | Cage Code: 7L0f6

TYPICAL PROPERTIES of VESPEL® SP-3

ASTM or UL test Property SP-3
Filler Material 15% Moly
PHYSICAL
D792 Density (lb/in³)
(g/cm³)
0.058
1.60
D570 Water Absorption, 24 hrs @ 73°F (%)
48 hrs @ 122°F (%)
0.23
0.65
MECHANICAL
D638 Tensile Strength, Ultimate @ 73°F (psi)
@ 500°F (psi)
8,200
D638 Tensile Modulus (psi)
D638 Tensile Elongation, Ultimate @ 73°F (%)
@ 500°F (%)
4.0
D790 Flexural Strength, Ultimate @ 73°F (psi)
@ 500°F (psi)
11,000
5,500
D790 Flexural Modulus @ 73°F (psi)
@ 500°F (psi)
475,000
270,000
D695 Compressive Strength, 10% strain @ 73°F (psi) 18,500
D695 Compressive Modulus (psi) 350,000
D785 Hardness, Rockwell E40-55
D256 IZOD Notched Impact (ft-lb/in) 0.4
Poisson’s Ratio
THERMAL
D696 Coefficient of Linear Thermal Expansion
(x 10-5 in./in./°F)
2.9
D648 Heat Deflection Temp (°F / °C)
at 264 psi
Max Continuous Operating Temp (°F / °C) 500 / 260
C177 Thermal Conductivity
(BTU-in/ft²-hr-°F)
(x 10-4 cal/cm-sec-°C)
3.2
11.0
UL94 Flammability Rating V-0
ELECTRICAL
D149 Dielectric Strength (V/mil) short time, 1/8″ thick
D150 Dielectric Constant at 1 MHz
D150 Dissipation Factor at 1 MHz
D257 Volume Resistivity (ohm-cm)at 50% RH