Dupont Tychem User manual

DuPont
Personal Protection
Revised March 2007
DuPont™ Tychem®
Garment User Manual
Applies to:
Tychem®Vapor
Protective Garments
Tychem®Liquid Splash
Protective Garments
NFPA Compliant
Tychem®Vapor
Protective Garments
Certified to NFPA 1991
(2005 Edition) and
Class 2, NFPA 1994
(2007 Edition)
Tychem®ThermoPro
Liquid-Splash
Protective Garments
Certified to NFPA 1992, (2005
Edition) and NFPA 2112 (2007
Edition)
All Other Tychem®
Protective Garments
This manual only pertains to Tychem® garments offered by DuPont Personal Protection, North America.
This information packet may not be removed except by the end user.
K-16647 03/07

2
Table of Contents
Safety Considerations................................................................................... 3
Wearer Qualifications .................................................................................. 3
Required and Additional Equipment ......................................................... 4
Garment Inspection...................................................................................... 6
Pressure Testing Level A, Vapor-Protective Garments............................ 8
Repairing Garment....................................................................................... 9
Glove Replacement ....................................................................................... 9
Duration of Recommended Use................................................................... 9
Storage Conditions........................................................................................ 9
Visor Antifog Procedures........................................................................... 10
Closure Lubricants..................................................................................... 10
Marking Suggestions and Restrictions ..................................................... 10
Suggested Undergarments ......................................................................... 10
Sizing Considerations................................................................................. 11
Donning the Garment................................................................................. 11
Doffing the Garment................................................................................... 14
Decontamination and Cleaning................................................................. 15
Garment Retirement Considerations........................................................ 17
Disposal........................................................................................................ 18
Usage Guidance........................................................................................... 18
Warnings...................................................................................................... 23
Your Responsibility as a User.................................................................... 24
Warranty & Disclaimers............................................................................ 25
DuPont™ Tychem®Encapsulating Garment Sizing............................... 27
DuPont™ Tychem®Non-Encapsulating Garment Sizing ...................... 28
Garment Inspection & Test Log................................................................ 29

3
Safety Considerations
Be sure to read, understand and follow the information in this manual and all applicable
federal, state and local occupation safety and health statutes. Serious injury or death may
occur from improper use of these garments. Proper use must be consistent with NFPA
1500, Standard on Fire Department Occupational Safety and Health Program, and 29
CFR 1910.132.
While wearing any Tychem®garment, including Tychem®ThermoPro, you should
not knowingly enter an environment in which the concentration of flammable gas is
within flammable or explosive limits. If you determine that you are in such an
environment while wearing any Tychem®garments, including Tychem®
ThermoPro, then you should immediately retreat.
Tychem®garments will not protect you in all situations and environments or protect you
from all hazardous materials. You must be a trained and qualified safety professional to
select chemical protective clothing. It is your responsibility as a user of this garment to
determine the level of exposure and the proper personal protective equipment needed.
Most performance properties cannot be tested by the users in the field. Refer to the
DuPont™ Tychem®Permeation Guide for chemicals specific to your situation.
If any of the following symptoms develop while you are wearing a Tychem®garment,
immediately leave the contaminated area, undergo field decontamination, and remove
(doff) the garment:
- Fever
- Difficulty breathing
- Nausea
- Excessive Tiredness
- Dizziness
- Numbness
- Any unusual odor or taste
- Eye or skin irritation
- Narrowing or dimming of vision
- Claustrophobia
- Loss of balance or orientation
Wearer Qualifications
You should not wear these garments unless you are properly trained in their usage. You
must be in good physical condition to wear these garments. Consult a physician before
donning one of these garments to ensure you are capable of wearing these garments under
the expected work conditions and environment.

4
Required and Additional Equipment
To help protect you while wearing this garment and to ensure that the garment performs
as intended, you should wear, at a minimum, several additional items of personal
protective equipment.
Encapsulating garments completely cover you from head to toe, including all respiratory
equipment. Encapsulating garments require supplied fresh air; there is not enough fresh
air inside encapsulating garments for you to breathe.By design, the replenishment of
fresh air is restricted within an encapsulating garment
Encapsulating garments that pass the inflation test described in ASTM F 1052, Standard
Test Method for Pressure Testing Vapor Protective Ensembles are considered Level A;
encapsulating garments that are not designed to pass this test are considered Level B.
At a minimum, you should wear the following additional personal protective equipment
with an encapsulating and non-encapsulating Tychem®garment:
RESPIRATORS
•You must wear a full face, supplied air respirator with encapsulating (Level A or
Level B) Tychem®garments.
1. An open circuit, self-contained breathing apparatus (SCBA) which is also
certified as compliant with NFPA 1981 Standard on Open-Circuit Self-
Contained Breathing Apparatus for Fire Service, or
2. An external, breathing air-quality, air-line system with garment pass-
through and escape bottle.
•You should not wear a closed-circuit (rebreather-type), SCBA with Level A or
encapsulating Level B garments. The oxygen concentration inside the suit will
rise above normal levels. The final oxygen concentration will depend on the type
of closed-circuit respirator you are wearing, your level of exertion and the how
long you wear the garment.
•You cannot wear an air-purifying respirator (APR) inside a Level A garment nor
inside a Level B encapsulating garments nor under separate hoods that extend
below the clavicle.
•A powered, air-purifying respirator (PAPR) will not work inside an encapsulating
garment. (If you breach the garment to expose the PAPR filters to the outside, the
garment is no longer considered to be encapsulating.)
•You can wear a PAPR under a separate hood, if the configuration provides
adequate ventilation at the intake of the unit and if the unit is adequately protected
from contamination.

5
OVERCOVERS
•NFPA 1991 compliant Tychem®TK and Tychem®Responder®ensembles must
be worn with a separate overcover to achieve abrasion resistance, puncture
resistance, and protection from direct flame impingement requirements of that
standard. You should consider wearing an overcover over other encapsulating
garments when there is a risk of abrasion, puncture, cut, tear or direct flame
impingement to the garment
FOOTWEAR
•Separate, user-supplied, protective footwear. The socks attached to some
Tychem®garments must be worn inside protective outer footwear. These socks
are not suitable as outer footwear. You must wear the separate, user-supplied
protective footwear specified in the Technical Data Package when you wear a
NFPA 1991, NFPA 1992 or NFPA 1994 compliant garment.
•Do not rely on adhesive tape around the top of the boot to prevent liquid pooling
inside your boot when wearing a garment with socks and no boot top covers.
Adhesive tape does not provide a leak-proof seal. Taping should only be used to
hold the leg of the garment in position with regards to the boot. If a leak-proof
seal is required, then garments with attached socks and boot top covers should be
selected.
•When wearing a garment without attached socks, you can reduce the potential for
liquid pooling in the boot by wearing the leg of the garment over the top of the
chemical protective boot.
GLOVES
•Chemical protective gloves are attached to your NFPA 1991 and NFPA 1994
compliant Tychem®garments. NFPA compliant garments use two chemical
resistant gloves to achieve the chemical barrier requirements of the standard.
Removal of one of the glove layers may compromise chemical barrier or glove
durability. NFPA 1991 garments also required a separate outer knit glove for cut
protection.
•If gloves are not attached to the garment sleeve, user-supplied chemical protective
gloves should be worn with the sleeve of the garment over the gauntlet of the
glove. Adhesive taping of the glove to sleeve interface does not provide a leak-
proof seal. Taping should only be used to hold the sleeve in position over the
glove gauntlet. If a leak-proof seal between the glove and sleeve is required, then
a garment with attached gloves should be selected.
•The separate, cut resistant outer gloves that come with your NFPA 1991 are
required to meet the cut performance requirements of that standard. With other
garments, you should consider similar, cut-resistant outer gloves when you need a
high level of cut protection.

6
•When wearing Tychem®ThermoPro, you should wear outer gloves suitable for
thermal protection, such as those compliant with NFPA 1971 or NFPA 1951. For
additional chemical protection, chemical barrier gloves, such as Ansell Barrier®or
North Silver Shield®can be worn under the thermal protective gloves and over
inner cotton or knit KEVLAR®gloves.
•It is your responsibility to verify that the gloves will provide adequate physical
protection and chemical barrier.
HEAD PROTECTION
•It is your responsibility to determine if you need separate head protection.
OTHER PERSONAL PROTECTIVE EQUIPMENT
You may also need other personal protective equipment based on the hazard
assessment and PPE selection made by a trained and experienced safety professional.
Some examples include:
•You may require hearing protection due to high levels of external noise or high
noise levels generated by supplied air systems.
You may require additional protective equipment to deal with hazards created by,
but no limited to, the following conditions:
-Flammable or Explosive Environment
-Decontamination
-Extreme Heat (Heat Stress)
-Extreme Cold (Hypothermia)
-Asphyxiating Atmosphere
-Physical Hazards (Sharps, Puncture, Rough Surfaces, Falling Debris)
-Slipping or falling
-Visibility - of wearer & by wearer
-Communications
Garment Inspection
(applies to all categories of Tychem®garments)
Tychem®Garment Inspection
You must inspect all Tychem®garments at the following times:
1. Upon receipt from supplier
2. Before it is worn

7
3. Before the garment is worn again. Contaminated, damaged or altered
garments should not be re-used.
4. Annually.
Garment inspection ensures that the integrity of the garment has been maintained. You
should perform the first inspection as soon as you receive the garment. This ensures that
no damage occurred during shipping. You should inspect your garment before wearing,
especially if the garment has been worn before. You should not use contaminated,
damaged or altered Tychem®garments. You should inspect stored garments once a year.
Follow these steps with inspecting garments:
1. Lay the garment on a clean, smooth surface.
2. Use a flashlight inside and examine the outside of the garment for holes, cuts, or
tears. Note: Apparent stitch holes covered by seam sealing tape do not constitute a
defect.
3. Examine the seam tape for lifts or inadequate seal.
4. Examine the garment material and seams for signs of damage. Fabrics and seams
sometimes have visual blemishes that do not affect barrier performance. Such
blemishes can include dullness or white frosted areas adjacent to the seam tape. A
breach or rupture of the barrier film is cause for rejection.
Tincture of Iodine is used to confirm a physical breach. Apply Tincture of Iodine
to the suspect area and wipe off the excess with a dry towel. If a dark brown stain
remains, the barrier layer has been breached and the garment should be rejected.
Areas immediately adjacent to the seam tape may take a slight yellow stain as a
result of heat exposure during manufacture. This slight yellow stain is not an
indication of a breach. The edges of the seam tape may also develop a thin, but
prominent staining of the exposed edge. This is also not an indication of a defect.
5. Examine the visor (if present) for a tight seal and make sure the visor offers clear
vision.
6. Examine the garment air distribution system (if present) to make sure that it is
connected properly and appears to be in working order.
7. Examine the garment gloves (if present) to make sure they are in good working
order.
8. Examine the interface between the gloves and the garment if gloves are attached
to the garment.
9. Examine the interface between the socks and the garment if the socks are attached
to the garment.
10. Examine the garment zipper and zipper cover to make sure they are in good
working order. Lubricate the zipper using a small amount of paraffin wax or
lubricant supplied by the closure manufacturer.

8
11. Examine the garment exhaust valves (if present) to make sure they are not
obstructed and are in good working order.
12. Examine all garment snaps, closures, adjustment straps, pass-thrus and options to
make sure they are not obstructed and are in good working order.
13. Examine garment-warning label(s) to make sure they are firmly attached and can
be read easily.
14. You should pressure-test Level A garments during each garment inspection.
Pressure Testing Level A, Vapor-Protective Garments
The air-inflation test evaluates the integrity of the Tychem®Level A, vapor-protective
garments.
DuPont manufactured Tychem®TK, Tychem®BR and Tychem®LV Level A garments
are equipped with Auer exhaust values. Auer valves are fitted with a flexible outer
“snorkel” cover that opens at right angles to the throat of the exhaust value.
Tychem®Responder®and Tychem®Reflector®garments are fitted with Pirelli valves.
These values are fitted with a rigid outer cover that is perforated with small holes.
Auer Exhaust Valve Pirelli Exhaust Valve
You should conduct inflation tests according to ASTM F1052, “Standard Test Method
for Pressure Testing Vapor Protective Ensembles”. A copy of the standard may be
obtained for a fee from ASTM (www.ASTM.org) or by calling [phone].
You should read, understand and follow the instructions in the “Instruction Manual for
the Universal Pressure Test Kit” when inflation testing Tychem®Level A garments. You
can obtain a copy of these instructions by calling DuPont Personal Protection Customer
Service at 800-931-3456 or from our website http://www.personalprotection.dupont.com.
You should record the results of each inflation test with the log sheet provided with your
garment. You can also find a blank log at the end of this document.

9
Repairing Garment
You should not use a damaged, altered or contaminated garment. If an uncontaminated
or unaltered garment fails a visual inspection or pressure test, contact your safety
equipment distributor or DuPont Personal Protection at 800-931-3456 to determine if the
garment can be returned for inspection or repair. Note: Charges may be incurred.
Contaminated garments will not be accepted for repair. Do not send a garment that is
discolored or smells. With each returned garment, you must provide the garment testing
log and a declaration that the garment has not been exposed to chemicals or to biological
pathogens. DO NOT ATTEMPT TO RETURN A GARMENT WITHOUT
AUTHORIZATION FROM DUPONT PERSONAL PROTECTION CUSTOMER
SERVICE.
Glove Replacement
Contact DuPont Personal Protection at 800-931-3456 to determine if the attached gloves
on your garment can be replaced.
Duration of Recommended Use
Tychem®garments may be used as long as they pass a full visual inspection. In addition
to the visual inspection, Level A garments must pass the ASTM F1052 inflation test. All
DuPont™ Tychem®chemical protective garments may contain materials, including
gloves, closures and exhaust valves for which there is no specific storage life data
available. It is suggested that garments be labeled and retired to “Training Use Only”
after 5 years after receipt by the purchaser.
Uncontaminated garments that do not pass a visual inspection should be retired and
labeled “For Training Use Only” or be discarded. This includes Level A garments that do
not pass the inflation test.
Storage Conditions
You should store Tychem®garments in a cool, dark, dry location free of dirt and insects.
Sunlight, ozone, high temperatures (>120° F), vehicle exhaust fumes, compression under
heavy weights and sharp edges or projections are some conditions known to degrade the
materials in these ensembles.

10
You should store Tychem®garments in boxes, in bags or on hangers. Never step on
chemical protective garments. Never place or store heavy objects on top of chemical
garments.
Visor Antifog Procedures
Antifog treatments can be applied to the interior of Tychem®garment visors. Use antifog
wipes or sprays recommended by DuPont Personal Protection.
1. Apply the antifog/anti-static cleaner to a clean, dry cloth or open the pre-packaged
antifog wipe and unfold it.
2. Apply the antifog solution evenly to interior visor surface.
3. Buff to a clear finish with soft cloth.
Closure Lubricants
You can lubricate a zipper or closure that is difficult to operate. You should apply
paraffin wax or YKK Zippy Cool Lubricant lightly on the outer and inner components.
After lubrication, the zipper should be closed and opened a number of times to ensure
smooth function and to remove excess lubricant.
Marking Suggestions and Restrictions
Tychem®garments can be marked with a permanent, felt tip marker.
Suggested Undergarments
Thick, bulky clothing worn underneath Tychem®garments will affect the fit of the
garment and limit the movement of the wearer. You may require a larger size Tychem®
garment.
You will not reduce your potential for burn injury by wearing garments made of
NOMEX®or any other flame-resistant fabric, under Tychem®garments, other than
Tychem®ThermoPro. Tychem®garments, other than Tychem®ThermoPro, will burn
and possibly melt when exposed to a flash-fire.
Only wear non-melting materials under Tychem®ThermoPro garments. These could
include NOMEX®or other non-melting fabrics such as wool, cotton, silk and rayon.