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Gharda Chemicals GAFONE™ 3300 PES, High Viscosity Grade

Subcategory: Polyethersulfone; Polymer; Thermoplastic

Close Analogs: Solvay Advanced Polymers completed its acquisition of Gharda Polymers Division in May 2006. Current product data sheets are available under the Solvay Advanced Polymers name.

Material Notes:
Unreinforced high viscosity grade for injection molding, extrusion molding, blow molding, calendering, etc.

Characteristics:

Very high rigidity
Good dielectric properties
High mechanical strength
Good dimensional stability
Good resistance to hydrolysis and sterilization
Good oxidative stability
Inherent flame retardance

Applications:

Reusable hypodermic syringes
Surgical instruments and components
Printed circuit boards
Circuit breaker components
Oil level indicators
Heat exchanger parts
Engine components
Household appliances
Filter housings
Sanitary and pipe fittings

Information provided by Gharda.

Physical Properties Metric English Comments

Density 1.37 g/cc 0.0495 lb/in³ ISO 1183

Moisture Absorption at Equilibrium 0.4 % 0.4 % ISO 62

Linear Mold Shrinkage 0.005 cm/cm 0.005 in/in ASTM D955

Melt Flow 26 - 40 g/10 min 26 - 40 g/10 min 380°C, 2.16 kg, 6 mins; ASTM D1238

Mechanical Properties

Tensile Strength at Break 90 MPa 13100 psi ISO 527

Elongation at Break 6 % 6 % ISO 527

Tensile Modulus 2.8 GPa 406 ksi ISO 527

Flexural Modulus 2.6 GPa 377 ksi ISO 178

Flexural Strength 120 MPa 17400 psi ISO 178

Izod Impact, Notched (ISO) 5 kJ/m² 2.38 ft-lb/in² ISO 180/1A

Electrical Properties

Volume Resistivity Min 1e+016 ohm-cm Min 1e+016 ohm-cm IEC 93

Surface Resistance Min 1e+014 ohm Min 1e+014 ohm IEC 93

Dielectric Strength 16 kV/mm 406 kV/in IEC 243/1

Arc Resistance 80 sec 80 sec ASTM D495

Comparative Tracking Index 150 V 150 V IEC 112

Thermal Properties

Maximum Service Temperature, Air 185 °C 365 °F Continuous use

Deflection Temperature at 1.8 MPa (264 psi) 205 °C 401 °F ISO 75

Glass Temperature 225 °C 437 °F DSC

Flammability, UL94 V-0 V-0

Oxygen Index 38 % 38 % ISO 4589

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