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RTP Company RTP 1475 Polyethersulfone (PES) Glass Fiber

Subcategory: Polyethersulfone; Polymer; Thermoplastic

Physical Properties	Metric	English	Comments
Specific Gravity	1.47 g/cc	0.0531 lb/in³	ASTM D792
Water Absorption	0.41 %	0.41 %	24 hrs; 23°C; ASTM D570
Linear Mold Shrinkage	0.003 cm/cm	0.003 in/in	1/8 in (3.2 mm); ASTM D955
Mechanical Properties
Hardness, Rockwell R	122	122	ASTM D785
Tensile Strength @ Break	128 MPa	18500 psi	ASTM D638
Elongation at Break	3 - 4 %	3 - 4 %	ASTM D638
Tensile Modulus	5.86 GPa	850 ksi	ASTM D638
Flexural Modulus	5.52 GPa	800 ksi	ASTM D638
Flexural Yield Strength	186 MPa	27000 psi	ASTM D790
Compressive Yield Strength	131 MPa	19000 psi	ASTM D695
Izod Impact, Unnotched	6.94 J/cm	13 ft-lb/in	1/8 in (3.2 mm); ASTM D4812
Izod Impact, Notched	0.641 J/cm	1.2 ft-lb/in	1/8 in (3.2 mm); ASTM D256
Electrical Properties
Volume Resistivity	Min 1e+012 ohm-cm	Min 1e+012 ohm-cm	ASTM D257
Dielectric Constant	3.9	3.9	1 MHz; Dry; ASTM D150
Dielectric Strength	15 kV/mm	380 V/mil	S/T; in oil; ASTM D149
Dissipation Factor	0.007	0.007	1 MHz; Dry; ASTM D150
Thermal Properties
CTE, linear 68°F	36 µm/m-°C	20 µin/in-°F	Flow Direction; ASTM E831
Thermal Conductivity	0.288 W/m-K	2 BTU-in/hr-ft²-°F	Through Plane; ASTM E1530
Deflection Temperature at 0.46 MPa (66 psi)	216 °C	420 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	210 °C	410 °F	ASTM D648
Flammability, UL94	V-0	V-0	1/16 in (1.5 mm)
Processing Properties
Melt Temperature	343 - 377 °C	650 - 710 °F
Mold Temperature	135 - 177 °C	275 - 350 °F
Drying Temperature	149 °C	300 °F	6 hrs
Moisture Content	0.04 %	0.04 %
Dew Point	-31.7 °C	-25 °F
Injection Pressure	68.9 - 103 MPa	10000 - 15000 psi