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RTP Company RTP 1403 Polyethersulfone (PES) Glass Fiber


Subcategory: Polyethersulfone; Polymer; Thermoplastic

Physical PropertiesMetricEnglishComments
Specific Gravity1.51 g/cc0.0546 lb/in³ ASTM D792
Filler Content20 %20 % Primary Additive
Water Absorption0.4 %0.4 % 24 hrs; 23°C; ASTM D570
Linear Mold Shrinkage0.004 cm/cm0.004 in/in 1/8 in (3.2 mm); ASTM D955

Mechanical Properties
Hardness, Rockwell R122122 ASTM D785
Tensile Strength @ Break131 MPa19000 psi ASTM D638
Elongation at Break2.9 %2.9 % ASTM D638
Tensile Modulus6.89 GPa1000 ksi ASTM D638
Flexural Modulus6.21 GPa900 ksi ASTM D638
Flexural Yield Strength193 MPa28000 psi ASTM D790
Izod Impact, Unnotched5.87 J/cm11 ft-lb/in 1/8 in (3.2 mm); ASTM D4812
Izod Impact, Notched0.747 J/cm1.4 ft-lb/in 1/8 in (3.2 mm); ASTM D256

Electrical Properties
Volume ResistivityMin 1e+012 ohm-cmMin 1e+012 ohm-cm ASTM D257
Dielectric Constant3.93.9 1 MHz; Dry; ASTM D150
Dielectric Strength14.8 kV/mm375 V/mil S/T; in oil; ASTM D149
Dissipation Factor0.0070.007 1 MHz; Dry; ASTM D150
Arc Resistance70 sec70 sec ASTM D495

Thermal Properties
CTE, linear 68°F34.2 µm/m-°C19 µin/in-°F Flow Direction; ASTM E831
Thermal Conductivity0.303 W/m-K2.1 BTU-in/hr-ft²-°F Through Plane; ASTM E1530
Deflection Temperature at 0.46 MPa (66 psi)221 °C430 °F ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)216 °C420 °F ASTM D648
Flammability, UL94V-0V-0 1/16 in (1.5 mm)

Processing Properties
Melt Temperature343 - 377 °C650 - 710 °F 
Mold Temperature135 - 177 °C275 - 350 °F 
Drying Temperature149 °C300 °F 6 hrs
Moisture Content0.04 %0.04 % 
Dew Point-31.7 °C-25 °F 
Injection Pressure68.9 - 103 MPa10000 - 15000 psi 

 


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