Teflon™ PFA 940HP Plus
Molding and Extrusion Resin

Product Information
For inventory control purposes, product name may be followed by an X.
Products labeled PFA 940HP Plus and PFA 940HP Plus X are equivalent,
and all information in this document is applicable to both.
Typical Applications
With a typical MIT folding endurance of 300,000* cycles, Teflon™ PFA
940HP Plus is designed to withstand repeated flexing and aggressive
chemical stress-cracking agents. Applications for Teflon™ PFA 940HP Plus
include fluid handling components for high-performance chemical deliverysystems, as well as tubing, unsupported pipe linings for the production ofultra-pure chemicals, and semiconductor components where purity in theparts-per-billion range is critical.
Description
Teflon™ PFA 940HP Plus is a premium fluoropolymer resin available inpellet form. Teflon™ PFA 940HP Plus possesses the same exceptional
chemical resistance, high purity, and protection against ioniccontamination as Teflon™ PFA HP grades with the added benefits ofimproved flex life (typical MIT flex of 300,000*) and chemical stresscrack resistance. Teflon™ PFA 940HP Plus meets the increasingly
stringent requirements for ultra-reliable and non-contaminating parts,
as well as unmatched HCl permeation resistance. The improved flex lifeand chemical resistance will reduce the cost of ownership of high purity
fluid handling systems by reducing downtime caused by mechanical orchemical stresses. Additionally, parts molded with Teflon™ PFA 940HP
Plus have improved clarity and a smooth finish, which can further help
prevent buildup of microbial contamination in water handling systems.
Table 1 shows the typical property data for Teflon™ PFA 940HP Plus.
This special purpose resin has a relatively high melt flow rate (typical MFRof 16), which permits higher extrusion speed and easier processing. The
enhanced resistance to environmental stress-cracking makes Teflon™
PFA 940HP Plus a preferred resin when extended service is requiredin hostile environments involving chemical, thermal, and mechanicalstress. Additionally, the enhanced purity of Teflon™ PFA 940HP Plus
makes it suitable for applications that require improved color, lower
extractable fluorides, and freedom from other foreign materials. This
product contains no additives and is designed for hostile chemical
environments where purity in the parts-per-billion range is needed.
Examples are in semiconductor manufacture, fluid handling systems forindustry or life sciences, and instrumentation for precise measurementsof fluid systems. Teflon™ PFA 940HP Plus combines the processing easeof conventional thermoplastics with the properties similar to those ofpolytetrafluoroethylene.
With Teflon™ PFA 940HP Plus, components can last longer under dynamic
loads and resist damage caused by ozonated fluids and fluorosurfactants.
Combined with excellent chemical, permeation, and stress-crackresistance, this durability leads to a reduced cost of ownership. The highpurity and fully fluorinated molecule end groups of Teflon™ PFA 940HP
Plus can reduce contamination to protect process yields.
Properly processed products made from neat Teflon™ PFA 940HP Plus
resin provide the superior properties characteristic of fluoropolymer
resins: chemical inertness, exceptional dielectric properties, heat
resistance, toughness and flexibility, low coefficient of friction, non-stick

characteristics, negligible moisture absorption, low flammability, performanceat temperature extremes and excellent weather resistance.
In a flame situation, products of Teflon™ PFA 940HP Plus resist ignition anddo not promote flame spread. When ignited by flame from other sources, theircontribution of heat is very small and added at a slow rate with very little smoke.
Processing
Teflon™ PFA 940HP Plus can be processed by conventional melt extrusion,and by injection, compression, and transfer molding processes. High melt
strength and heat stability permit the use of relatively large die openings
and high temperature draw-down techniques that increase production rates.
Reciprocating screw injection molding machines are preferred. Corrosionresistant metals should be used in contact with molten fluoropolymer resin.
Extruder barrel should be long, relative to diameter, to provide residence time
for heating the resin to approximately 380 °C (716 °F). For more detailed
processing information, including recommended draw-down ratios, consult yourChemours representative.
Safety Precautions
WARNING! VAPORS CAN BE LIBERATED THAT MAY BE HAZARDOUS IFINHALED.
Before using Teflon™ PFA 940HP Plus resin, refer to the Safety Data
Sheet and the latest edition of “The Guide to the Safe Handling ofFluoropolymer Resins,” published by The Plastics Industry Association(www.plasticsindustry.org) or PlasticsEurope (www.plasticseurope.org).
Open and use containers only in well-ventilated areas using local exhaust
ventilation (LEV). Vapors and fumes liberated during hot processing of Teflon™
PFA 940HP Plus should be exhausted completely from the work area.
Contamination of tobacco with these polymers must be avoided. Vapors andfumes liberated during hot processing that are not properly exhausted, or fromsmoking tobacco or cigarettes contaminated with Teflon™ PFA 940HP Plus,
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 oraluminum, can be flammable or explosive under some conditions.
Food Contact Compliance
Properly processed products made from Teflon™ PFA 940HP Plus resin canqualify for use in contact with food in compliance with FDA Inventory ofEffective Food Contact Substance (FCS) Notification # 948. For details andinformation, please contact your Chemours representative.
Storage and HandlingSpecial product isolation and packaging procedures are used by Chemours toeliminate external contamination of Teflon™
PFA 940HP Plus resin. Processors also must avoid contamination forsuccessful production of high purity products. The properties of Teflon™
PFA 940HP Plus 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.
Freight Classifications
Teflon™ PFA 940HP Plus resin is classified as “Plastics, Materials, Pellets.”
PackagingTeflon™ PFA 940HP Plus is supplied as pellets and is available in 25-kg
multilayer bags with an integral polyethylene liner.

Molding and Extrusion Resin

Teflon™ PFA 940HP Plus

Table 1: Typical Property Data for Teflon™ PFA 940HP Plus

Property

Test Method

Unit

Typical Value

GENERAL
Melt Flow Rate

ISO 20568

ASTM D3307

g/10 min16

Melting Point—ASTM D4591°C (°F)

290 (554)

Specific Gravity—

ASTM D792—

2.15

Critical Shear Rate, 372 °C (702 °F)

——1/s

56

ISO 12086a

ASTM D3307

MPa (psi)

MECHANICALTensile Strength
23 °C (73 °F)

28 (4,100)

200 °C (392 °F)

11 (1,600)

Ultimate Elongation

ISO 12086a

ASTM D3307%

23 °C (73 °F)

310

200 °C (392 °F)

450

Flexural Modulus

ISO 178

ASTM D790

MPa (psi)

23 °C (73 °F)

650 (94,000)

200 °C (392 °F)

60 (8,700)—

ASTM D2176c

Cycles300,000b

ISO 868

ASTM D2240—

D55

Dielectric Strength, Short Time, 0.25 mm (0.010 in)

IEC 243

ASTM D149

kV/mm (V/mil)

80 (2,000)

Dielectric Constant, 1 MHz (106 Hz)

IEC 250

ASTM D150—

2.03

MIT Folding Endurance (0.20 mm, 8 mil film)
Hardness Durometer
ELECTRICAL

Dissipation Factor, 1 MHz (10 Hz)

IEC 250

ASTM D150—<0.0002

Volume Resistivity

ISO 1325

ASTM D257

ohm·cm1018—

ASTM D570%<0.036OTHER
Water Absorption, 24 hr
Weather and Chemical Resistance
Limiting Oxygen Index
Flammability Classificationad———

Outstanding

ISO 4589

ASTM D2863

%>95

—

UL 94

—

V-0

ISO 12086 is a retired standard.

bDepending on fabrication conditions

cHistorical standardd

These results are based on laboratory tests under controlled conditions and do not reflect performance under actual fire conditions; current rating is a typical theoretical value.

Note: Teflon™ PFA 940HP Plus meets the requirements of ASTM D3307, Type IV
Typical properties are not suitable for specification purposes.
Statements or data regarding behavior in a flame situation are not intended to reflect hazards presented by this or any other material when under actual fire conditions.

HOW TO USE THE TEFLON™ BRAND NAME WITH YOUR PRODUCT
Teflon™ is a registered trademark of Chemours for its brand of fluoropolymer resins, coatings, films, and dispersions. The Teflon™ brand name is licensed by Chemours in association with approved applications. Withouta trademark license, customers may not identify their product with the Teflon™ brand name, as Chemours does not sell such offerings with the Teflon™ trademark. Unlicensed customers may refer to the Chemours
product offering with only the Chemours name and product code number descriptor as Chemours sells its product offerings. There are no fair use rights or exhaustion of rights to use the Teflon™ trademark from buying
from Chemours, a Chemours customer, or a distributor without a trademark license from Chemours.
If you are interested in applying for a trademark licensing agreement for the Teflon™ brand, please visit www.teflon.com/license
CAUTION: Do not use or resell Chemours materials in medical applications involving implantation in the human body or contact with internal bodily fluids or tissues unless agreed to by Seller in a written agreement covering suchuse. For further information, please contact your Chemours representative. For medical emergencies, spills, or other critical situations, call (866) 595-1473 within the United States. For those outside of the United States, call(302) 773-2000.
The information set forth herein is furnished free of charge and based on technical data that Chemours believes to be reliable. It is intended for use by persons having technical skill, at their own discretion and risk. The handlingprecaution information contained herein is given with the understanding that those using it will satisfy themselves that their particular conditions of use present no health or safety hazards. Because conditions of product use areoutside our control, Chemours makes no warranties, express or implied, and assumes no liability in connection with any use of this information. As with any material, evaluation of any compound under end-use conditions prior tospecification is essential. Nothing herein is to be taken as a license to operate under or a recommendation to infringe any patents.
NO PART OF THIS MATERIAL MAY BE REPRODUCED, STORED IN A RETRIEVAL SYSTEM OR TRANSMITTED IN ANY FORM OR BY ANY MEANS ELECTRONIC, MECHANICAL, PHOTOCOPYING, RECORDING OR OTHERWISE WITHOUT THE PRIOR WRITTENPERMISSION OF CHEMOURS.

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