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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	Original Value		Comments
Density	1.37 g/cc		ISO 1183
Moisture Absorption at Equilibrium	0.4 %		ISO 62
Linear Mold Shrinkage	0.005 cm/cm		ASTM D955
Melt Flow	26 - 40 g/10 min		380°C, 2.16 kg, 6 mins; ASTM D1238
Mechanical Properties
Tensile Strength at Break	90 MPa		ISO 527
Elongation at Break	6 %		ISO 527
Tensile Modulus	2.8 GPa		ISO 527
Flexural Modulus	2.6 GPa		ISO 178
Flexural Strength	120 MPa		ISO 178
Izod Impact, Notched (ISO)	5 kJ/m˛		ISO 180/1A
Electrical Properties
Volume Resistivity	Min 1e+016 ohm-cm		IEC 93
Surface Resistance	Min 1e+014 ohm		IEC 93
Dielectric Strength	16 kV/mm		IEC 243/1
Arc Resistance	80 sec		ASTM D495
Comparative Tracking Index	150 V		IEC 112
Thermal Properties
Maximum Service Temperature, Air	185 °C		Continuous use
Deflection Temperature at 1.8 MPa (264 psi)	205 °C		ISO 75
Glass Temperature	225 °C		DSC
Flammability, UL94	V-0
Oxygen Index	38 %		ISO 4589