Opteon XL™

©

Refrigerants

Safety of Opteon™ XL
Refrigerants
Chemours Answers Your Questions About the Safe
Handling and Use of Opteon™ XL Refrigerants

Introduction

Opteon™ XL20 (R-454C) and Opteon™ XL40 (R-454A):
These low-GWP replacements can be used as a substituteThis technical bulletin answers common safety questions

for R-404A and R-22 technology. Opteon™ XL40 offers athat customers and service technicians may have regarding

GWP of 238 as well as superior performance with respect

the use and handling of Opteon™ XL Refrigerants.

to cooling capacity and efficiency. This enables a reduction

Opteon™ XL refrigerants, are composed of hydrofluoro-

in CO2-equiavalents of 94% compared to R-404A.

Opteon™ XL20 is a closer match to R-22 based technology,

olefins (HFOs) or blends of hydrofluoro-olefins (HFOs) andbut it is also a valid solution for R-404A equipment. With ahydrofluorocarbon (HFC) compounds. Hydrofluoro-olefins

GWP of 146, it falls under the important maximum value of(HFOs) are unsaturated fluorocarbon refrigerants due to the

150 in the F-Gas regulation and Ecodesign requirements.

double bond. It is this double bond that gives the HFO typecompounds their unique properties. In general, HFO’s haveOpteon™ XL41 (R-454B) and Opteon™ XL55 (R-452B):

low global warming potential (GWP), good system stability,

Both Opteon™ XL41 and Opteon™ XL55 are excellent

energy efficiency, short atmospheric lifetime and low

replacements for R-410A in new equipment. Opteon™ XL41

flammability. Therefore, HFOs are ideal candidates for use inprovides the lowest GWP available (467) of leading R-410A-

blend refrigerants with HFCs. The Opteon™ XL refrigerants

type solutions with a reduction of 78% GWP compared towere developed as effective, low-GWP alternatives to

R-410A. In addition to GWP reduction, it is a very close

existing hydroflurocarbon refrigerants.

match to R-410A and in some cases even provides superior
performance with respect to capacity and efficiency.

Opteon™ XL10 (R-1234yf): Opteon™ XL10 is composed

Opteon™ XL55 offers improved performance compared toof pure HFO-1234yf which is a non-ozone depleting, low

R-410A, while also maintaining design compatibility. It also

GWP refrigerant. It was developed to meet the EU Mobile

has the lowest flammability compared to industry tested

Air Conditioning (MAC) Directive for phase-out of high GWP

R-410A alternatives.

refrigerants for automotive air conditioning. The use of
HFO-1234yf is growing exponentially and by the end of
2017, an estimated 40 million vehicles are expected to be
utilizing it in their air conditioning systems. Opteon™ XL10
is also a very good solution for stationary equipment using
R-134a, as shown by pilot projects and early field trials.

Table 1: Opteon™ XL Refrigerants

ISO 817 / ANSI / ASHRAE 34
Refrigerant Designation

Chemours
TradenameComposition(weight %)

GWP*

ODP

Application Area

Replaces

R-1234yf

Opteon™ XL10

R-1234yf
(100)

<1
(4)

0

Stationary Refrigeration/AC

R-134aR-452B

Opteon™ XL55

R-32/125/1234yf(67/7/26)

676
(698)

0

AC and Heat-pumps

R-410A

R-454A

Opteon™ XL40

R-32/1234yf(35/65)

238
(239)

0

Medium and Low
Temperature Refrigeration

R-404A, R-507A,
R-407A, R-407F

R-454B

Opteon™ XL41

R-32/1234yf(68.9/31.1)

467
(466)

0

AC and Heat-pumps

R-410A

R-454C

Opteon™ XL20

R-32/1234yf(21.5/78.5)

146
(148)

0

Hermetic Medium and Low
Temperature Refrigeration

R-22, R-407C,
R-404A* GWP is per IPCC Assessment Report 5, AR5, and ( ) is per IPCC Assessment Report 4, AR4.

2

Refrigerant Classification Scheme

Opteon™ XL refrigerants all have the ISO 817 flammability
classification A2L which means they are of low toxicity

ISO 817 and ANSI/ASHRAE 34 standards provide safety

and mildly flammable. Mildly flammable refrigerants haveclassifications for refrigerants. Toxicity classifications are

the lowest flammable characteristics per the standards

divided into two groupings with lower toxicity refrigerants

and must have a burning velocity below 10 cm/s. The

given an A designation and those with higher toxicity given

2L classification is now incorporated into variousa B designation. Flammability classifications per thesestandards. Both ISO 5149 and EN 378 also recognize thestandards are divided into four categories with class 1classification and detail the necessary safety precautions

being practically non-flammable under most use conditions.

needed for the safe use of the 2L class refrigerants.

R-410A and R-22 both qualify as class 1 or practically nonflammable. Class 2L is considered mildly flammable due

Equipment Designed for A2L Refrigerants

to the low burning velocity and lower heat of combustion.
Class 2 and class 3 denote the flammable and extremely

Users must read and understand the Safety Data Sheets

flammable refrigerants. HFC-152a is a class 2 flammable(SDS) before handling or using Opteon™ XL Refrigerants.

refrigerant, while the hydrocarbons (propane, butane)

Users should also follow all pertinent safety information

generally populate the extremely flammable class 3.

provided by equipment manufacturer. Failure to follow the
SDS and equipment manufacturer’s instructions could result

ISO 817 Refrigerant Classification Scheme

in injury or death. An SDS can be obtained for any Opteon™

PropaneA3

B3

Highly Flammable

R-152aA2

B2

Flammable

Opteon™ XLProducts

A2L

B2L

Mildly Flammable

refrigerant from the Chemours web site, locations listed on
the last page of this technical bulletin or from any Chemours
refrigerants distributor.
Due to the mild flammability, Opteon™ XL refrigerants are

R-410A

A1

B1

Lower Toxicity

Higher Toxicity

R-22

Non-Flammableintended for use in equipment specifically designed forthese products and should always be used in accordancewith the relevant national or international standards. Please
consult the appropriate equipment manufacturer regarding

Figure 1: ISO 817 Refrigerant Classification Scheme

which refrigerants can be used in the equipment.

Table 2: Physical Properties of Opteon™ XL Refrigerants

ISO 817 Refrigerant
Designation
ANSI/ASHRAE 34

Composition(weight %)SafetyClass

ATEL/ ODL
(kg/m3)

LFL@ WCFF(kg/m3)

Vapor Density@ 25°C, and 101.3 kPA(kg/m3)

Molar Mass
@WCFF

Normal Boiling
Point
(°C )

R-1234yf

R-1234yf
(100)

A2L

0.47

0.289

4.66

114

-26

R-452B

R-32/125/1234yf(67/7/26)

A2L

0.467

0.298

2.63

98.48

-51.0 / -50.2

R-454A

R-32/1234yf(35/65)

A2L

0.461

0.289

3.34

113.9

-48.4 / -41.6

R-454B

R-32/1234yf(68.9/31.1)

A2L

0.435

0.354

2.59

111.8

-50.9 / -50.0

R-454C

R-32/1234yf(21.5/78.5)

A2L

0.371

0.289

3.78

114

-45.9 / -37.7

3

Check your local regulations and the correct standards such

Are Retrofits Allowed for A2L Refrigerants?

as those listed above to verify the allowable filling charge,
Opteon™ XL refrigerants have been developed for new

new equipment design and safe handling requirements forequipment design only. All intended application mustthe intended application.

comply with the relevant National laws and regulation whenbeing operated with a 2L flammable gas. Additional safetymeasurements and modifications to the equipment may benecessary in order to guarantee a safe operating mode.
EN 378What are Typical Filling Charges for A2L Refrigerants?

EN 60335-2-89
Filling charges are usually covered by the respective codes

General Safety

and standards for refrigeration equipment, such as thegeneral safety and use standard ISO 5149 “Refrigeration

EN 60335-2-40
EN 60335-2-24
Equipment Safetysystems and heat pumps”. There are also more specificstandards covering selected appliances, such as theIEC 60335-2 series.

•

IEC 60335-2-24 for “refrigerating appliances, ice-•

IEC 60335-2-40 for “electrical heat pumps, air-•Figure 2: It should be noted that where an equipment standard
provides guidance for charge limitations, the equipment standard
over-rules charge limitations in the general safety standard.

cream appliance sand ice makers”
conditioners and dehumidifiers”

Maximum Refrigerant Charge with No Room Volume

IEC 60335-2-89 for “commercial refrigerating

Restrictions per EN 378

appliances with an incorporated or remote refrigerant

In the standards ISO 5149 and EN 378 the charge size

unit or compressor”

of refrigerants is given as a function of the classification,
the LFL and the room size of where the intended system

ISO and IEC standards are international safety-in-use type

is installed. However, there are some minimum charges

standards. European Norms or EN standards are typicallythat have no room volume restrictions and can be used inbased on an international standard.

every application without constraints from the location.
The flammability classes 2 or 3 are restricted below orTable 3: Relationship between International and European Union
standards

Standard TypeInternational

EuropeRefrigerant Classification

ISO 817

Follows ISO 817

ISO 5149

EN 378

IEC 60335-2-24
IEC 60335-2-40
IEC 60335-2-89

EN 60335-2-24
EN 60335-2-40
EN 60335-2-89

GeneralSafety in Use Equipment
Specificequal to 4 x LFL without the need to consider room size.
Flammability class 2L refrigerants can have up to 6 x LFL
without any restrictions. Also, taking into account thehigher LFL values of the 2L class refrigerants, the maximum
charge allowed without restrictions is remarkably higher for
2L class refrigerants. For example, an A3 class refrigerant
such as R-290 has a maximum charge of 150 g without any

Table 4: Comparison of Maximum Charge with No Room Volume Restrictions for EN 378

4

Refrigerant

ISO 817 Designation

Safety Class

LFL @ WCFF
(kg/ m3)

Maximum Refrigerant Charge,
No Room Vol Restriction (m1)(kg)

Opteon ™ XL10

Opteon™ YF

A2L

0.289

1.73

R-452B

Opteon™ XL55

A2L

0.298

1.79

R-454A

Opteon™ XL40

A2L

0.289

1.73

R-454B

Opteon™ XL41

A2L

0.354

2.12

R-454C

Opteon™ XL20

A2L

0.289

1.73

R-152aR-152a

A2L

0.130

0.52

R-290

Propane

A3

0.038

0.15

constraints due to room size whereas Opteon™ XL20 offers

How can I work safely on systems in enclosed areas?

similar properties but charge sizes of 1.73 kg are allowed
1. Make sure all relief and purge vent piping is routed

without any room volume restriction.

outdoors, and away from all air intakes to the building,Maximum Refrigerant Charge with Room Volume

per local codes and regulations.

Restrictions per EN 378

2. Make certain the area is well ventilated. Use auxiliary

Planning for higher charge sizes, the room size needs to beventilation, rated for A2L refrigerants, such as blowers or

considered and Figure 3 compares the allowed charge size

fans, if necessary, to disperse refrigerant vapors.

for the different classes 2L, 2 and 3 with increasing room

3. Test the work area for available oxygen before entering

volume for a refrigeration application in public space under

enclosed areas. Do not use a leak monitor to test for

EN 378.

oxygen. A refrigerant leak detector will not tell you if
adequate oxygen is present to sustain life.

Charge Size (kg)12

Refrigerants charge size comparison:
A2L, A2 and A3

R-152a

8

R-290

6

Do not attempt to enter the area to repair equipment untilthe vapors are dispersed, OR until you are equipped with4

proper breathing apparatus. Evacuate everyone until the2

area has been ventilated. Use blowers or fans to circulate air
0

50

100

150

200

Figure 3: Allowed refrigerant charge size under EN 378 for
flammable refrigerants (general occupancy, refrigerant-containing
parts in the occupied space)

Mechanical Equipment Room Requirements

•
•
•
•

areas.
What should I do if a large refrigerant leak or spill occurs?

Room area (m²)•

detection and oxygen monitoring equipment in the work

Opteon™ XL40

100

4. Install an A2L flammable rated refrigerant leakage

Install an A2Lflammable rated air monitor capable ofdetecting the refrigerant(s) used in concentrations up toat the floor level and in any basement or low areas.
1. Appropriate respiratory protection equipment should bereadily available in case of a large release.
2. Personnel should be trained how to use this equipment.
3. Consult the most recent version of ISO 5149 or EN 378
for additional information.

Servicing Equipment Containing A2L
Refrigerants

the OEL.
Install suitable alarms that activate at or below theService Equipment?

refrigerant’s OEL, and that will alert persons outside ofthe equipment room that a leak condition exists.

Many of the same service items can be used for servicing

Route relief valve discharge headers and purge units

A2L refrigerants versus R-22 and R-410A. However, some

outdoors, away from all air intakes to building or per

service equipment, due to the electrical components andlocal codes and regulations.

motors, should be specifically designed for use with mildly

Install local exhaust to ventilate the work area in the

flammable A2L refrigerants (e.g. R-1234yf, R-32, etc.),

event that the air monitor alarm point is exceeded perwhich also needs to compliant with local regulation. All

local codes and regulations.

service should be conducted in a safe manner and with

Follow standards for refrigerants as required andrespect to the guidelines given by the relevant codes andspecified by the most current version of ISO 5149 or

standards in your country/region. This new A2L service

EN 378.

items should be available as there is an increasing number ofservice equipment companies providing these tools.

5Table 5: Comparison of Service Equipment for Opteon™ XL products compared to R-404A and R-410A

Service Item

R-404AR-410A

Opteon™ XLGuage manifold

RoutineRoutineRoutineCharging hose

RoutineRoutineRoutineTorque wrench

RoutineRoutineRoutineFlare toolRoutineRoutineRoutinePipe cutter

RoutineRoutineRoutinePipe bender

RoutineRoutineRoutineHex wrench

RoutineRoutineRoutine

Ventilation Fan, if low ventilation

RoutineRoutineRoutineScalesRoutineRoutineRoutineVacuum pumpRoutineRoutineSwitch located away from work zone

Dry Powder/CO2 Fire Extinguisher

Not necessary

Not necessary

Chemical compatible

Gas Detector

RoutineRoutine2L certified

Electronic leak detector

RoutineRoutine2L certified

Refrigerant recovery cylinder

RoutineRoutineFlammable (GHS label, left hand thread)

Recovery machines

RoutineRoutine2L certified

How should I correctly braze or weld piping on A2L
refrigeration or air-conditioning equipment?

•
•
•
•
•
•
•
•
•
•

Review the Refrigerant Safety Data Sheet and theservice instructions manuals provided by the equipment
manufacturers.

••

Use auxiliary ventilation to disperse any fumes ordecomposing refrigerant that may have remained in thepiping or equipment during the repair process.
If you notice an increase in the size or shape of theopen flame, or the flame changes color, stop work

Review the relevant codes/regulations when servicing

immediately and re-ventilate the equipment. This flame

equipment.

enhancement effect should be a warning that too much

Be sure to set-up any safety barriers/sign as required

refrigerant vapor is still present around the equipment.

before beginning servicing.
Make certain there is adequate ventilation in the work
area and that you have tested the air space for safe
levels of refrigerant vapor and oxygen.

GENERAL REFRIGERANT HANDLINGINFORMATION

Evacuate the Opteon™ XL Refrigerant from theequipment you will be repairing.

FLAMMABILITY INFORMATION

Recover the refrigerant into a properly rated andmarked recovery cylinder.

In general, all refrigerants, including the Opteon™ XL

Do not vent refrigerant.

refrigerants should not be mixed with any flammable gases

Purge system with nitrogen if necessary per code. If

or liquids for any reason because these mixtures can havenot, open the system and ensure no residual pressure isunpredictable flammability properties and could be unsafe.

present.
Drain all lubricant possible from the area to be welded

Mixtures of Opteon™ XL refrigerants with highto prevent fires.

concentrations of air at elevated pressure and/or

Leave system open during repair to prevent possible

temperature will change the flammability in the presence

pressure buildup.

of an ignition source. The flammability is also elevated inan oxygen-enriched environment (oxygen concentrations
greater than that in air). The exact flammability

6characteristics of a mixture containing these refrigerant

In general refrigerants should not be exposed to open flames

products and air, or these refrigerant products in an oxygen-or electrical heating elements. High temperatures andenriched atmosphere, depends on the inter-relationship offlames can cause the refrigerants to decompose, releasing

1) the temperature, 2) the pressure, and 3) the proportion of

toxic and irritating fumes. In addition, a flame (such as aoxygen in the mixture. In general, these products should not

cutting torch) can become dramatically larger or change

be allowed to exist with air above atmospheric pressure or atcolor if used in high concentrations of many refrigerants.

high temperatures; or in an oxygen- enriched environment.

This flame enhancement can cause surprise or even injury.

These products should NOT be mixed with air under

Always recover refrigerants, evacuate equipment, andpressure for leak testing or other purposes.

ventilate work areas properly before using any open flames.

Care should be taken to ensure that the Opteon™ XL
refrigerants are compatible with any other chemicals thatthe refrigerant may come into contact with in a leakage
scenario when being used in process cooling applications.

Service cylinders for use A2L
Service Item

R-404AR-410A

Opteon™ XLCylinder Type

Returnable

Returnable

Returnable

Cylinder Pressure Rating
Valve Threading

Min 42 bar
Right hand

Right hand

Valve typeLeft hand
Typical DIN 477-1

GHS Markings

Pressure and Cylinder Safety

What are the proper procedures for safely handling A2L
returnable cylinders?

Can pressurized refrigerants ever cause a hazard?
Yes. Some of the potential hazards may include:•

In an overfilled container, vessel, or pipeline where
temperature increases may become “liquid full” andimmediately cause a dangerous increase in hydrostaticpressure, which can cause high -pressure leaks or even•rupture of the vessel.
A correctly filled returnable cylinder that is heated
above the recommended maximum temperatureof 52°C (125°F) could result in dangerously highpressures, possibly in excess of the cylinder design•pressures.
A returnable refrigerant cylinder connected to thedischarge side of refrigeration or air-conditioning
equipment may be exposed to pressures that canexceed the capacity of the cylinder relief devices,causing the cylinder to rupture or shatter.

•

Verify that the refrigerant label matches any color code•

Remove liquid from the cylinder when charging any

•
•
•
•
•
•
•
•

or labeling used on the equipment.
Opteon™ XL refrigerant blend. Once removed from thecylinder, it can be flashed to vapor for charging.
Verify proper hookup of charging hoses. Do not charge
to the discharge side of the compressor.
Open valves slowly and transfer refrigerant.
Protect cylinders from moisture and rusting duringstorage.
Do not store cylinders near incompatible materials ornear incendiaries, such as cartons or boxes
Do not pressurize systems or vessels containing
these refrigerants with air for leak testing or any otherpurpose.
Do not place cylinders near flames or heat sources, ordiscard into fires.
Do not tamper with any relief devices on cylinders or
refrigerant equipment.
Do not drop, dent, or mechanically abuse containers.

7

•
•
•

Do not recharge refillable cylinders with used

Are Opteon™ XL Refrigerants toxic?

refrigerants. Use only proper recovery cylinders for this

These refrigerants have an excellent safety profile andpurpose. It is illegal to ship original cylinders with used

are all class A or lower toxicity per ISO 817 classification

refrigerants.

scheme similar to R-410A and R-22. These products can

Do not force connections.

be safely used when they are handled in accordance with

Do not use flame on cylinders to heat them. Never

Chemours recommendations, and when exposures are

expose cylinders to temperatures above 52°C (125°F).

maintained at or below the recommended occupational
exposure limits (OEL).

Transport Storage & Handling Section

What is cardiac sensitization?
As with many other halocarbons or hydrocarbons, such

While Opteon™ XL refrigerants exhibit low or mild

as R-22 and R-410A, inhalation of high concentrations offlammability properties per ISO 817 and ANSI/ASHRAE 34,

Opteon™ XL Series refrigerants in the presence of high blood

this classification system is not recognized by the Globallylevels of the body’s adrenaline may result in serious heart

Harmonized System or GHS. Under GHS, there is no

irregularities and possible death, an effect known as cardiac

distinction between flammable gases. According to GHS,

sensitization.

all flammable gases are noted currently as “extremely
flammable” under section 2 of the SDS.

In experimental cardiac sensitization screening studies,
test animals were exposed to various levels of refrigerant

TOXICITY INFORMATION

vapor followed by injection of high levels of epinephrine(adrenaline). Cardiac sensitization associated with

Decomposition

Opteon™ XL Refrigerant components is well above any
concentrations expected in the workplace, and ranges from

What causes decomposition?

20,000 to 150,000 ppm or higher in laboratory animals. By

All refrigerants, including the Opeton™ XL products, willcomparison, a cardiac sensitization response is observed

decompose when exposed to high temperatures from flames

with CFC-11 and CFC-12 under similar experimental

or electric resistance heaters. Decomposition may produce

conditions at approximately 5,000 and 50,000 ppm andtoxic and irritating compounds, such as hydrogen fluoride.

higher, respectively. Because of possible disturbances ofcardiac rhythm, catecholamine drugs such as epinephrine

How can I tell if a refrigerant has decomposed?

should be considered only as a last resort in life-threatening

The strong odors released from the decomposed refrigerant

emergencies.

will irritate the nose and throat. The irritating fumes
released from decomposition will provide early warning andWhat are common symptoms of overexposure?

will likely result in an attempt to evacuate the area. Follow

Inhaling high concentrations of refrigerant vapors may with

all Chemours recommendations for refrigerant handling totime cause temporary central nervous system depression

prevent refrigerant decomposition and other hazards.

with narcosis (sleepiness), lethargy, and weakness. Other
effects that may occur include dizziness, a feeling of well-

Are decomposition products hazardous?

being or intoxication, and a loss of coordination. Continued

Yes. The acidic vapors produced are dangerous and theinhalation of refrigerant vapors at high concentrations may

area should be evacuated immediately and ventilated to

produce heartbeat irregularities (cardiac sensitization),prevent exposure to personnel. Any-one exposed to theunconsciousness and, with gross overexposure, even death.

decomposition products should be taken to fresh air andA person experiencing any of the initial symptoms should

medical treatment sought immediately. The exposure area

be moved to fresh air immediately and kept calm and quiet.

should not be re-entered until it is deemed safe by the

If not breathing, give artificial respiration. If breathing isappropriate authorities.

difficult, use oxygen. Call a physician immediately.

8

Can inhaling Opteon™ XL Refrigerant vapors cause

Is frostbite a possible hazard?

suffocation?

In liquid form, these refrigerants can freeze skin or eyes on

If a large release of refrigerant occurs, vapors cancontact, causing frostbite. If you are splashed with liquid,

concentrate near the floor or in low areas and displace

immediately remove all clothing that contains refrigerant

available oxygen, causing suffocation. In the event of ato prevent additional freezing. Soak the exposed area inlarge spill or leak, always wear proper respiratory and otherlukewarm water, not cold or hot. Do not use dressings or

personal protective equipment. Canister-type respiratory

ointments. Then seek medical attention immediately.

masks do not provide adequate protection when entering
an enclosed space with high levels of refrigerant vapors.

Is the deliberate inhalation of Opteon™ XL Refrigerant

These should be used for escape purposes only. Use self-

dangerous?

contained breathing apparatus or an air-line respirator when

Intentional misuse or deliberate inhalation of theseentering confined areas such as tanks or basement areas

refrigerants may disrupt heart rhythm and cause death

where vapors may have accumulated. Test all work areas forwithout warning. This practice is extremely dangerous.

available oxygen using appropriate monitoring equipment
before entering. Place a second employee outside the work

Can I smell Opteon™ XL Refrigerants?

area when you enter, and use a lifeline to that employee.

Most refrigerants have such a faint odor that they can bedifficult to detect even at dangerous levels. Do not use

Skin and Eye Contact

smell as a test for safe levels of refrigerants in a workarea. Frequent leak checks and air monitoring are the only

Is skin or eye contact with Opteon™ XL Refrigerants

adequate ways to determine that areas are safe for entry

hazardous?

and work.

At room temperature, these refrigerant vapors have little
effect on skin or eyes. Always wear protective clothing,including long--sleeve clothing and gloves, when there isa risk of exposure to liquid refrigerants. Protection should
include goggles and face shield to protect the eyes. If liquid
refrigerant enters your eyes, flush them with plenty or water,then seek medical attention immediately.

9For more information on the Opteon™ family of ­refrigerants or otherrefrigerants from Chemours, visit opteon.com

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 risk. Because conditions of use are outside our control, Chemours makes no warranties,
expressed or implied, and assumes no liability in connection with any use of this information. Nothing herein is to be taken as a license tooperate under, or a recommendation to infringe, any patents or patent applications.
© 2016 The Chemours Company FC, LLC. Opteon™ and any associated logos are trademarks or copyrights of The Chemours Company FC,
LLC. Chemours™ and the Chemours Logo are trademarks of The Chemours Company.
C-11002 (9/2016)