Semitron Static Dissipative Acetal…

MechanicalASTM Test MethodValueUnits
Strength to Weight Ratio-4.1ksi
Specific Gravity @73 FD7921.33-
Tensile Strength @73 F, (ult)/(yld)D6385,400 (ult)psi
Tensile Modulus of Elasticity @73 FD638200,000psi
Tensile Elongation at Break @73 FD63815%
Flexural Strength @73 FD7907,300psi
Flexural Modulus of Elasticity @73 FD790220,000psi
Shear Strength @73 FD732-psi
Comprehensive Strength, (% Deformation) @73 FD6958,000 (10)psi
Comprehensive Modulus of Elasticity @73 FD695175,000psi
Hardness, Rockwell, Scale as noted @73 FD785M50 (R108)-
Hardness, Durometer, Shore D @73 FD2240--
Izod Impact, (Notched) @73 FD256 Type A1.5ft-lb/in of notch
Coefficient of Friction, (Dry vs Steel) Dynamic-0.29-
Limiting PV, (with 4 to 1 factor of safety applied)-2,200psi-ft/min
ThermalASTM Test MethodValueUnits
Coefficient of Linear Thermal Expansion @73 FE-831 (TMA)9.3 E-05in/in/F
Heat Deflection Temperature @264 psiD648225F
Tg-Glass transition termperature, (Amorphous)D3418-F
Melting Point, (VS=Vicat Softening Temp.)D3418320F
Continuous Service Temperature in Air, (Max.)-180F
Thermal Conductivity--BTU-in/hr-ft2-F
ElectricASTM Test MethodValueUnits
Dielectric Strength, Short TermD149-Volts/mil
Volume ResistivityD2571E11 - 1E12ohm-cm
Dielectric Constant @10E6 HzD150--
Dissipation Factor @10E6 HzD150--
Flammability @3.1 mm unless notedUL94HB-
H2OASTM Test MethodValueUnits
Water Absorption, Immersion, 24 hoursD570(7)2.0% by weight
Water Absorption, SaturationD570(7)7.20% by weight