Veradel® 3320GF

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Product Description

Comments & Reviews

Veradel® 3320GF is a 20% glass fiber reinforced grade of polyethersulfone (PESU). Adding glass fiber to polyethersulfone substantially increases the rigidity, tensile strength, creep resistance, dimensional stability and chemical resistance of the material, while maintaining most of its other basic characteristics. The combination of structural properties and cost effectiveness make this resin an attractive alternative to metals in many engineering applications. Veradel® 3320GF is an opaque, grayish material in its natural form and can be readily colored. This grade was formerly marketed as Gafone™ PESU.

Technical data sheet

Physical Properties

Property	Typical Value	Unit	Test Method
Density / Specific Gravity	1.49	--	ASTM D792
Molding Shrinkage - Flow	0.30%	%	ASTM D955
Water Absorption (24 hr)	0.50%	%	ASTM D570

Mechanical Properties

Property	Typical Value	Unit	Test Method
Tensile Modulus	7000 MPa	MPa	ASTM D638
Tensile Strength	120 MPa	MPa	ASTM D638
Tensile Elongation (Break)	2.8%	%	ASTM D638
Flexural Modulus	6500 MPa	MPa	ASTM D790
Flexural Strength	170 MPa	MPa	ASTM D790

Impact Properties

Property	Typical Value	Unit	Test Method
Notched Izod Impact	70 J/m	J/m	ASTM D256

Thermal Properties

Property	Typical Value	Unit	Test Method
Deflection Temperature Under Load (1.8 MPa, Annealed)	210°C	°C	ASTM D648
Continuous Use Temperature	190°C	°C	ASTM D794
CLTE - Flow	2.5E-5 cm/cm/°C	cm/cm/°C	ASTM D696

Electrical Properties

Property	Typical Value	Unit	Test Method
Surface Resistivity	1.0E+14 ohms	ohms	ASTM D257
Volume Resistivity	1.0E+16 ohms-cm	ohms-cm	ASTM D257
Dielectric Strength	20 kV/mm	kV/mm	ASTM D149
Arc Resistance	110 sec	sec	ASTM D495
Comparative Tracking Index (CTI)	150 V	V	UL 746A

Flammability Properties

Property	Typical Value	Unit	Test Method
Flame Rating (0.8 mm)	V-0	--	UL 94
Oxygen Index	42%	%	ASTM D2863

Injection Properties

Property	Typical Value	Unit	Test Method
Drying Temperature	150°C	°C	--
Drying Time	3.0 hr	hr	--
Processing (Melt) Temp	340 to 380°C	°C	--
Mold Temperature	120 to 160°C	°C	--
Screw Speed	20 to 50 rpm	rpm	--

Extrusion Properties

Property	Typical Value	Unit	Test Method
Die Temperature	300 to 320°C	°C	--

Product Functions

Good Color Stability
Paintability
High Gloss
Colorable
Good Surface Finish
Bromine Free
Low VOC
High ESCR (Stress Crack Resist.)
Good Dimensional Stability
Alkali Resistant
Acid Resistant
Alcohol Resistant
Mineral/Synthetic Oil Resistant
Detergent Resistant
Hydrolysis Resistant
Low Moisture Absorption
Good Impact Resistant
Low CLTE
Radiotranslucent
Transparency
Laser Weldable
Low Warpage
Good Processing Stability
Heat Sterilizable
Good Thermal Stability
High Heat Resistant

Applications of Veradel® 3320GF

Healthcare

Segments	Applications
Medical Devices	Non Invasive Devices