PFA C403

Get to know Everflon™ PFA C403.

Everflon+™ PFA C-403 (perfluoroalkoxy) fluoropolymer resins combine the chemical and high temperature resistance of Everflon+™ PFA with anti-static levels of electrical conductivity.

Properly processed products made from Everflon+™ PFA C-403 resins provide the superior properties typical of fluoropolymers: Retention of properties after service estimated at 250 °C (482 °F); Useful properties at –196 °C (–321 °F); And chemical inertness to nearly all industrial chemicals and solvents.

Molded products have moderate stiffness, excellent toughness, low coefficient of friction, non-stick characteristics, resistance to creep at high service temperatures, and excellent weather resistance.

These resins can be processed by traditional melt extrusion and molding processes. They have high melt strength and thermal stability at high processing temperatures.

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Data List

General Property Data for Everflon™ PFA C403

Properties	Test Method&Unit	Typical Value
Melt Flow Rate at 372 °C (702 °F)/5.0 kg weight	ISO 12086 ASTM D3307	3
Melting Point	D4591	300
Specific Gravity	D792	2.15
Critical Shear Rate, 372 °C (702 °F)	1/s	12
Tensile Strength	ISO 12086 ASTM D3307	36 (5200)
Elongation	ISO 12086 ASTM D3307	300
Volume Resistivity	ASTM D257 / ohm·cm	0.1
Weather and Chemical Resistance		Excellent

Typical Applications

Anti-static linings of components used in the chemical processing industries;industrial film; articles requiring superior electrical, chemical, and thermal properties.

Processing Guide

Everflon+™ PFA C-403 fluoropolymer resins can be processed by conventional thermoplastic techniques: melt extrusion and compression, transfer, and blow molding processes. Drying at 100 °C (212 °F) for 4 hours is suggested to remove any absorbed moisture. Corrosion-resistant metals should be used in contact with molten resin. Extruder barrel should be long, L/D ratio 20:1 to 25:1, to provide residence time for heating the resin to approximately 390 °C (734 °F).

Precaution

Before using Everflon+™ PFA C-403 resin, refer to the Safety Data Sheet and the latest edition of “The Guide to the Safe Handling of Fluoropolymer Resins”

Open and use containers only in well-ventilated areas using local exhaust ventilation (LEV). Vapors and fumes liberated during hot processing of Everflon+™ PFA C-403 should be exhausted completely from the work area. Contamination of tobacco with these polymers must be avoided. Vapors and fumes liberated during hot processing that are not properly exhausted, or from smoking tobacco or cigarettes contaminated with Everflon+™ PFA C-403 , may cause flu-like symptoms, such as chills, fever, and sore throat. This may not occur until several hours after exposure and will typically pass within about 24 hours. Mixtures with some finely divided metals, such as magnesium or aluminum, can be flammable or explosive under some conditions.

Package and Handling

The properties of Everflon™ PFA resin are not affected by storage time. Ambient storage conditions should be designed to avoid airborne contamination and water condensation on the resin when it is removed from containers.

Everflon™ PFA is supplied as pellets and is available in 25-kg multilayer bags with an integral polyethylene liner.

Food Contact Compliance

Properly processed products made from Everflon^ultra™ PFA GC403 resin can qualify for use in contact with food in compliance with FDA 21 CFR177.1550 and European Regulation (EU) No. 10/2011.


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