Victrex Peek Data Sheet 450G

Physical Properties	Metric	English	Comments
Density	1.3 g/cc	0.047 lb/in³	ASTM D792
Water Absorption	0.5 %	0.5 %	24 hrs; ASTM D570
Moisture Absorption at Equilibrium	0.5 %	0.5 %
Moisture Vapor Transmission	6.5 cc-mm/m²-24hr-atm	16.5 cc-mil/100 in²-24hr-atm	g/m^2/atm/24 hr measured on a 0.1mm sample
Oxygen Transmission	55 cc-mm/m²-24hr-atm	140 cc-mil/100 in²-24hr-atm	cc/m^2/atm/24 hr measured on a 0.1mm sample
Linear Mold Shrinkage	0.007 cm/cm	0.007 in/in
Linear Mold Shrinkage, Transverse	0.012 cm/cm	0.012 in/in
Melt Flow	4 g/10 min	4 g/10 min	400°C/2.16 kg
Spiral Flow	11 cm	4.33 in	1 mm thickness, recommended processing conditions
Mechanical Properties
Hardness, Rockwell M	99	99
Hardness, Rockwell R	126	126
Tensile Strength, Yield	97 MPa	14100 psi
Elongation at Break	Min 60 %	Min 60 %
Elongation at Yield	5 %	5 %
Modulus of Elasticity	3.5 GPa	508 ksi
Flexural Modulus	4.1 GPa	595 ksi
Flexural Yield Strength	170 MPa	24700 psi
Compressive Yield Strength	118 MPa	17100 psi
Poisson's Ratio	0.4	0.4
Shear Modulus	1.3 GPa	189 ksi
Shear Strength	53 MPa	7690 psi
Izod Impact, Notched	0.63 J/cm	1.18 ft-lb/in
Izod Impact, Unnotched	NB	NB
Charpy Impact, Notched	3.4 J/cm²	16.2 ft-lb/in²
Coefficient of Friction	0.34	0.34	Dynamic
Electrical Properties
Electrical Resistivity	4.9e+016 ohm-cm	4.9e+016 ohm-cm
Dielectric Constant	3.3	3.3	1 MHz
Dielectric Constant, Low Frequency	2.8	2.8	1 KHz
Dissipation Factor	0.004	0.004	1 MHz
Dissipation Factor, Low Frequency	0.001	0.001	1 KHz
Comparative Tracking Index	150 V	150 V
Thermal Properties
CTE, linear 20°C	47 µm/m-°C	26.1 µin/in-°F
CTE, linear 100°C	47 µm/m-°C	26.1 µin/in-°F
CTE, linear 250°C	94 µm/m-°C	52.2 µin/in-°F
Heat Capacity	2.16 J/g-°C	0.516 BTU/lb-°F
Thermal Conductivity	0.25 W/m-K	1.74 BTU-in/hr-ft²-°F
Melting Point	340 °C	644 °F
Maximum Service Temperature, Air	315 °C	599 °F
Deflection Temperature at 1.8 MPa (264 psi)	160 °C	320 °F
Brittleness Temperature	-65 °C	-85 °F
Glass Temperature	143 °C	289 °F
UL RTI, Electrical	260 °C	500 °F
UL RTI, Mechanical with Impact	180 °C	356 °F
UL RTI, Mechanical without Impact	240 °C	464 °F
Flammability, UL94	V-0	V-0
Oxygen Index	35 %	35 %

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