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RTP Company RTP 1475 L Polyethersulfone (PES) Glass Fiber - Lubricated

Subcategory: Polyethersulfone; Polymer; Thermoplastic

Physical Properties	Original Value		Comments
Specific Gravity	1.47 g/cc		ASTM D792
Water Absorption	0.41 %		24 hrs; 23°C; ASTM D570
Linear Mold Shrinkage	0.003 cm/cm		1/8 in (3.2 mm); ASTM D955
Mechanical Properties
Hardness, Rockwell R	122		ASTM D785
Tensile Strength @ Break	16000 psi		ASTM D638
Elongation at Break	2.5 - 3.5 %		ASTM D638
Tensile Modulus	800000 psi		ASTM D638
Flexural Modulus	800000 psi		ASTM D638
Flexural Yield Strength	24000 psi		ASTM D790
Izod Impact, Unnotched	12 ft-lb/in		1/8 in (3.2 mm); ASTM D4812
Izod Impact, Notched	1.2 ft-lb/in		1/8 in (3.2 mm); ASTM D256
Electrical Properties
Volume Resistivity	Min 1e+012 ohm-cm		ASTM D257
Dielectric Constant	3.9		1 MHz; Dry; ASTM D150
Dielectric Strength	380 V/mil		S/T; in oil; ASTM D149
Dissipation Factor	0.007		1 MHz; Dry; ASTM D150
Thermal Properties
CTE, linear 68°F	20 µin/in-°F		Flow Direction; ASTM E831
Thermal Conductivity	2 BTU-in/hr-ft²-°F		Through Plane; ASTM E1530
Deflection Temperature at 0.46 MPa (66 psi)	420 °F		ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	410 °F		ASTM D648
Flammability, UL94	V-0		1/16 in (1.5 mm)
Processing Properties
Melt Temperature	650 - 710 °F
Mold Temperature	275 - 350 °F
Drying Temperature	300 °F		6 hrs
Moisture Content	0.04 %
Dew Point	-25 °F
Injection Pressure	10000 - 15000 psi