Tyvek / DuPont™ Tychem® 4000
SL127B WH
DuPont™ Tychem® 4000
DuPont™ Tychem® 4000 Hooded Coverall. Offers rugged, durable protection against a wide range of chemicals. White coverall features a standard fit hood, elastic wrists and ankles, a storm flap with adhesive closure, bound seams, and a pin lock slider zipper pull. Suitable for a variety of applications, including hazardous remediation, nuclear environments, waste management, and chemical handling.
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Frequently Asked Questions
SL127B WH
DuPont™ Tychem® 4000
Do TYCHEM® 4000 garments meet ANSI/ISEA 101 sizing standards? Yes. DuPont™ TYCHEM® 4000 coveralls either meet or exceed ANSI/ISEA 101 sizing standards. For specific sizing dimensions on a particular DuPont garment, please view the Product Details tab for that garment. What is the ambient working temperature range for TYCHEM® 4000 garments? Tychem® garments can be worn in ambient temperatures of -13°F (-25°C) to 165°F (74°C).
In colder environments, Tychem® garments can become stiff. If cold enough, the fabric may even become brittle. Please be aware that the heat stress of the wearer becomes a greater concern in higher ambient temperatures. At higher temperatures, chemical hazards can become more aggressive. Breakthrough times and permeation rates may change at higher temperatures. The published permeation data per ASTM F739 is performed at ambient temperatures (approximately 72-81° F ; 22-27° C).
Caution: Tychem® fabrics offer little or no thermal insulation to protect the wearer's skin from prolonged exposure to hot or cold. In what ways can I manage or prevent heat stress? Chemical protective clothing can interfere with the natural regulation of body temperature. This can lead to a rise in core body temperature and heat stress. Implementing a conservative work/rest schedule or using a cooling system may be effective in reducing heat stress. (Note: Do not wear cooling vests in potentially flammable or explosive environments.) .)
Be aware of the symptoms and treatment of heat stress. If you or your co-workers have symptoms of heat stress such as nausea, dizziness, high heart rates, or excessive heat build-up, leave the work area immediately and remove the ensemble as quickly as possible after decontamination and seek professional care.
The maximum length of time the chemical protective clothing can be worn depends on variables such as the air supply, ambient conditions, climate inside the ensemble, physical and psychological conditions of the wearer, work rate and work load. The TLV® pocket guide from the American Conference of Governmental Industrial Hygienists (ACGIH, Cincinnati) provides corrected heat stress limits for some garments. Similar information is available on the federal OSHA web site (www.OSHA.gov). The WBGT correction factor for chemical protective garments is at least 10°C or higher for chemical garments made of impervious films (such as Tychem® garments) and covering the entire body (hooded coverall or encapsulating designs). For Tyvek® coveralls, the WBGT correction factor is 2°C with a hood and 1°C without a hood. How should TYCHEM® 4000 garments be stored? Store TYCHEM® 4000 garments in a cool, dark, dry location free of dirt and insects. Sunlight, ozone, high temperatures (>120° F ; 49° C), vehicle exhaust fumes, compression under heavy weights and sharp edges or projections are some conditions known to degrade the materials in these garments.
Store TYCHEM® 4000 garments in boxes, in bags or on hangers. Never step on protective garments. Never place or store heavy objects on top of protective garments. Are TYCHEM® 4000 garments anti-static or static dissipative? The substrate used to make TYCHEM® 4000 garments is treated with a topical antistatic agent to help minimize static build up and reduce nuisance garment cling.
In situations where static dissipation level is a critical performance property, end-users should evaluate the performance of their entire ensemble as worn including outer garments, inner garments, footwear and other PPE. In order for any garment system to be static dissipative, it must be able to drain a charge buildup through proper grounding devices, such as, but not limited to, workstation grounding clips or static-dissipative floors.
Under certain conditions, such as cold and dry weather, it is possible that garments might build and discharge static electricity. Discharges are not normally dangerous except in situations where the generation of an electrical spark could ignite a flammable atmosphere or startle the wearer. When operating around flammable chemicals, take steps to eliminate potential static discharges. In these situations, suggested steps include, but not limited to, water spray, the use of an overcover, raising humidity level of the work area, use of a commercial, anti-static application coating, grounding straps on equipment and personnel, inherently static-dissipating under- and over-garments, and testing of the worker's static dissipation before entry into the classified area.
However, in the case of explosive or flammable atmospheres, even if steps are taken to manage static formation and dissipate static charge, the risk of severe injury remains if an uncontrolled or accidental ignition occurs. Do not wearTYCHEM® 4000 chemical protective garments in potentially flammable or explosive atmospheres. Do not knowingly enter an environment in which the concentration of flammable gas is within flammable or explosive limits while wearing a TYCHEM® 4000 garment. If you determine that you are in a potentially flammable or explosive environment, retreat immediately. Can TYCHEM® 4000 garments be worn in cleanroom applications? TYCHEM® 4000 garments have not been designed for controlled environment applications. DuPont offers a full line of garments that have been specially manufactured, processed and packaged for use in controlled environment applications. Please see our complete line of controlled environment products at www.safespeccleanroom.dupont.com. Are TYCHEM® 4000 garments flame resistant or flame retardant (FR)? Other than Tychem® 6000 FR, Tychem® chemical protective garments will ignite and continue to burn.
Wearing garments made of Nomex® or any other flame-resistant fabric under Tychem® garments, other than Tychem® 6000 FR, will not reduce burn injury during a fire or electric arc exposure. Other than Tychem® 6000 FR, Tychem® garments will burn and possibly melt when exposed to a fire or electric arc flash; this may increase burn injuries even when worn over garments made of Nomex® or any other flame-resistant fabric.
And because Tychem® garments melt, except for Tychem® 6000 FR do not wear Tychem® garments under a garment made of Nomex® or any other flame resistant fabric if the potential for fire or electric arc flash exists.
Do not knowingly enter an environment in which the concentration of flammable gas is within flammable or explosive limits when wearing a Tychem® garment, including when wearing a Tychem® 6000 FR garment. Retreat immediately if you encounter such an environment while wearing any Tychem® garment, including Tychem® 6000 FR.
No Tychem® garment, including Tychem® 6000 FR,is intended for fire fighting activities, nor for protection from hot liquids, steam, molten metals, welding, or thermal radiation. Tychem® 6000 FR garments are designed and tested to help reduce injury during escape from a fire and to provide some protection from electric arcs. Do TYCHEM® 4000 products contain silicone? All DuPont Personal Protection products are manufactured under specifications that do not contain silicone, with some exceptions. Tyvek® friction-coated shoe covers or Tyvek® garments with friction-coated shoe covers might contain silicone. This includes Tyvek® styles TY122, TY121, FC450 and FC454. Additionally, Tychem® 6000 AL styles TF630 and TF640T contain a silicone valve diaphragm. End users who are consuming these styles and who have concerns about silicone contamination should conduct their own testing to ensure they are suitable for their application(s). In what ways can I dispose of TYCHEM® 4000 garments ? If not contaminated, TYCHEM® 4000 garments may be landfilled or incinerated in accordance with local regulations. Uncontaminated chemical protective garments may be incinerated in a facility that is capable of handling mixtures containing plastics. Likewise, an uncontaminated chemical protective garment may be buried in a facility that accepts plastic materials. TYCHEM® 4000 garments may contain several different materials; they are not suitable for recycling.
Contaminated garments that cannot be handled safely without protective equipment must be disposed of with other hazardous wastes, either through incineration or landfill per local regulations.
Before discarding, cut off a sleeve or a leg so the garments cannot be worn again as protective clothing. Do TYCHEM® 4000 products contain latex? As of January 2023, all DuPont Personal Protection products are manufactured under specifications that exclude components containing natural rubber latex. Tyvek® 500, Tyvek® 600 and Tyvek® 800 styles made before January 2023 contain natural rubber latex, which may cause allergic reactions in some sensitized individuals. Anyone who begins to exhibit an allergic response during the use of DuPont products should immediately cease using these products and should report it to DuPont at +1 (888) 439-2988 so that an investigation can be initiated. What determines if the garment is contaminated ? The decision on whether or not a garment has been contaminated is made by local managers responsible for PPE based on an analysis of the incident in which the garment was used. This analysis may include exposure time, chemicals involved, level of exposure, proximity to the actual release, tasks performed and environmental monitoring in the area in which the garment was worn. Garments that are damaged, altered or show signs of contamination, such as discoloration, odor, stiffening or cracks, should not be used. Where can I find a SDS (Safety Data Sheet) for TYCHEM® 4000 garments? Safety Data Sheets (SDS) are written in accordance with applicable federal regulations, 29 CFR 1910.1200, to communicate health and safety data on usage and handling of hazardous chemicals. Under this regulation, DuPont™ Tyvek®, ProShield®, and Tychem® materials and garments are defined as articles, not chemicals, and the SDS and labeling requirements in that standard do not apply. Permeation The concentration of my hazard is LOWER than what is listed in the "Search Hazards" box. What should I do? If the temperature of your hazard is LOWER than the hazard listed in the hazard search box, go ahead and select the higher temperature hazard as long as the physical phase (solid, liquid or gas/vapor) is the same. Because chemical hazards become more aggressive with increasing temperatures, selecting a higher temperature chemical hazard will lead to a more conservative result.
What are the donning and doffing instructions for TYCHEM® 4000 coveralls? Please refer to the Section on Donning and Doffing Non-Encapsulating Garments in the Tychem® User Manual - Non-Encapsulated. Is it possible to wash and re-use TYCHEM® 4000 garments? DuPont does not recommend washing contaminated TYCHEM® 4000 garments for re-use. These garments are designed for limited-use. They can be worn until damaged, altered or contaminated. However, if the garments have not been contaminated, they can be cleaned for hygienic purposes and re-used. Please refer to the section on Decontamination and Cleaning in the Tychem® User Manual - Encapsulated for more information. What is the shelf life of TYCHEM® 4000 garments? Tychem® garments may be used for 5 years from the date of manufacture as long as all of the following conditions are met:
- The garment has been stored properly (view storage conditions)
- The garment has not been damaged, altered or contaminated
- The garment passes a full visual inspection (view garment inspection instructions)
Permeation The concentration of my hazard is HIGHER than what is listed in the "Search Hazards" box. What should I do? If the concentration of your hazard is HIGHER than the hazard concentration listed in the hazard search box, you can NOT use the data for the lower concentration hazard. This data will not give you an accurate assessment of suitable garments. Please Contact Us for assistance.
DUPONT™ SAFESPEC™ Terms of Use
Product Selector Agreement
The following information must be read and accepted by the user before proceeding.
The DuPont™ SafeSPEC™ Product Selector Tool (“Tool”) is intended to assist in choosing protective clothing styles for particular applications and does not replace the judgment of a qualified safety professional or industrial hygienist. Additional personal protective equipment (“PPE”), such as but not limited to: respiratory, eye, head, foot, and hand protection, may be required. Supplying the proper hazard/chemical and exposure information for your hazard scenario is critical in order to obtain suggestions of possible garment options for your consideration. Inaccurate information could result in improper suggestions. Since there are other factors involved which could affect the final PPE decision and may not be considered in this Tool, the final decision on protective clothing selection is the responsibility of the buyer, safety professional, industrial hygienist and end-user. DuPont de Nemours, Inc. or its affiliates DISCLAIM ANY RESPONSIBILITY OR LIABILITY FOR ANY INFORMATION OR SUGGESTIONS PROVIDED BY THE TOOL OR THE USE THEREOF.
WARNING / CAUTION
There are uses, environments and chemicals for which any garment will be unsuitable. It is the responsibility of the user to review available data and verify that the garment selected is appropriate for the intended use and meets all specified government and industry standards.
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You may enter from one to five chemicals or other hazards that may be present in your working environment. Our tool will find the best product match for the combined hazards. Enter a single chemical or hazard if you wish to find the best possible product match for that one hazard.
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- Please review FAQs if your hazard concentration is lower or higher than the tested concentrations
Read FAQ if your Hazard concentration is lower than the tested concentration Read FAQ if your Hazard concentration is higher than the tested concentration
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CHEMICAL COMPARISON
The table below shows the Normalized Breakthrough times of fabrics for the hazards selected. (Testing Details) You can find specific garments that protect against these hazards by clicking the 'Next' button below.
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Exposure
Please provide a response to all exposure questions before proceeding.
Flammable Environments
WARNING
If any of the following apply:
- A fire or electric arc is actively present in the work environment
- The work environment contains an uncontrollable flammable material between the Lower Explosive Limit (LEL) or Lower Flammable Limit (LFL) and the Upper Explosive Limit (UEL) or Upper Flammable Limit (UFL)
- The work environment has been subject to a breach or loss in containment of flammable material (flammable liquids, flammable vapors or combustible dusts)
- There is an uncontrolled fuel source available in the work environment (that may or may not have encountered an ignition source yet)
STOP USING THIS TOOL. Please consider fire fighter PPE (personal protective equipment). Read more.
If none of these conditions apply but FR clothing is required in your working environment, close this box and proceed to the next question. Only fabrics that provide both chemical resistance to the hazards you have listed and protection during escape from a flash fire will be considered for your hazard scenario.
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Your hazard scenario did not produce any results. May we suggest:
- If you are searching multiple hazards at one time, try breaking your search into separate hazards by either creating a new scenario or unchecking Hazards in the pane to the left. SafeSPEC™ is trying to find one garment that can be used for all of your hazards. You may need to consider more than one garment.
- If you have a liquid or vapor chemical hazard, try searching the Chemical Resistance Database. This database will show you permeation data for all of the fabrics tested against a given hazard. Once you are able to determine a suitable fabric, you will have the flexibility of selecting a suitable garment design and seam construction yourself.
- If you answered "yes" to the question that you are working in an environment that requires flame resistant clothing, please note that although DuPont has several garment options for scenarios involving possible industrial fire or electric arc exposures as well as chemical exposure hazards, these garments may not have been tested against the specific chemical hazard(s) that you have selected or may have breakthrough times lower than your intended work duration. If possible, try to mitigate the need for flame resistant clothing by implementing engineering controls, work practices and administrative controls before resorting to protective clothing. Additionally, try breaking your search into separate hazards as suggested above in order to find garment options to meet your needs.
- If you selected "localized to the feet" for the direction of exposure question, you may want to consider chemical resistant boots instead of purchasing a full garment. DuPont does not manufacture or sell chemical resistant boots. However, we do offer some coveralls and encapsulated suits with attached socks. These socks can be worn as an extra layer of protection inside of chemical resistant boots.
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Related Products
DuPont™ Tychem® 4000
DuPont™ Tychem® 4000 Hooded Coverall. Offers rugged, durable protection against a wide range of chemicals. White coverall features a standard fit hood, elastic wrists and ankles, a storm flap with adhesive closure, taped seams, and a pin lock slider zipper pull. Suitable for a variety of applications, including hazardous remediation, nuclear environments, waste management, and chemical handling.
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DuPont™ Tychem® 4000
DuPont™ Tychem® 4000 Hooded Coverall with Attached Socks. Offers rugged, durable protection against a wide range of chemicals. White coverall features a respirator fit hood, elastic wrists, attached socks with outer boot flaps, a storm flap with adhesive closure, a semi-auto locking slider zipper pull, and taped seams. Suitable for a variety of applications, including hazardous remediation, nuclear environments, waste management, and chemical handling.
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DuPont™ Tychem® 4000
DuPont™ Tychem® 4000 Bib Apron. Offers rugged, durable frontal protection against a wide range of chemicals. White, 28" x 43" bib apron features a neck loop, ties at the waist, and taped seams. Suitable for a variety of applications, including hazardous remediation, nuclear environments, waste management, and chemical handling.
FEATURES & PRODUCT DETAILS
DuPont™ Tychem® 4000 delivers effective protection against a range of chemical environments. Tychem® 4000 utilizes a chemical barrier film laminated to a Tyvek® substrate to provide a rugged and durable fabric that resists abrasion. Tychem® 4000 fabric provides at least 30 minutes of protection against >124 chemical challenges. Typical applications: chemical mixing, hazardous remediation, emergency medical response, paint spraying, and nuclear environments.
- Pin locking slider locks in place when the pins on the puller are pushed into the zipper elements
- Tightly sewn seam is covered with garment fabric to reinforce seam and reduce potential for particle penetration
- Attached hood with elastic around face opening.
- Storm flap covers zipper which can be sealed by the wearer with adhesive strip to prevent intrusion at zipper
- Elastic opening for tighter fit at wrist
- Elastic opening for tighter fit at ankle
- Manufactured under specifications that do not contain natural rubber latex
AVAILABLE OPTIONS
SPECIFICATIONS
- The garment shall be constructed of DuPont™ Tychem® 4000 -- a DuPont™ Tyvek® protective fabric laminated with a chemical resistant Dow Saranex™ 23-P film.
- The garment shall be white in color.
- The garment shall be a hooded coverall design.
- The garment shall have bound seams.
- The garment shall have a standard hood with elastic around the face.
- The garment shall have a front zipper closure.
- The zipper shall be covered with a storm flap with adhesive closure.
- The garment shall have elastic wrists.
- The garment shall have elastic ankles.
FINISHED DIMENSIONS
ADDITIONAL EQUIPMENT NEEDED
- Please read, understand and follow the Tychem® User Manual.
- Wear other appropriate PPE such as, but not limited to, respiratory, eye, head, hand, and foot protection based on the hazard assessment.
FABRIC & CHEMICAL RESISTANCE DATA
Physical Properties
Data relating to mechanical performance of the fabrics used in DuPont chemical protective clothing, listed for the selected garment according to the test methods and relevant European standard, if applicable. Such properties, including abrasion and flex-cracking resistance, tensile strength and puncture resistance can help in the assessment of protective performance.
Featured resources Download Permeation Guide
CHEMICAL RESISTANCE
- BT0.1 Normalized breakthrough time at 0.1 µg/cm²/min [mins]
- CAS Chemical abstracts service registry number
- min Minute
- > Larger than
- < Smaller than
- imm Immediate (< 10 min)
- nm Not tested
- sat Saturated solution
- N/A Not Applicable
- na Not attained
- GPR grade General purpose reagent grade
- * Based on lowest single value
- 8 Actual breakthrough time; normalized breakthrough time is not available
- DOT5 Degradation after 5 min
- DOT30 Degradation after 30 min
- DOT60 Degradation after 60 min
- DOT240 Degradation after 240 min
- BT1383 Normalized breakthrough time at 0.1 µg/cm²/min [mins] acc. ASTM F1383
SPECIAL WARNINGS
- *Serged and bound seams are degraded by some hazardous liquid chemicals, such as strong acids, and should not be worn when these chemicals are present.
- *CAUTION: This information is based upon technical data that DuPont believes to be reliable. It is subject to revision as additional knowledge and experience are gained. DuPont makes no guarantee of results and assumes no obligation or liability in connection with this information. It is the user's responsibility to determine the level of toxicity and the proper personal protective equipment needed. The information set forth herein reflects laboratory performance of fabrics, not complete garments, under controlled conditions. It is intended for informational use by persons having technical skill for evaluation under their specific end-use conditions, at their own discretion and risk. Anyone intending to use this information should first verify that the garment selected is suitable for the intended use. In many cases, seams and closures have shorter breakthrough times and higher permeation rates than the fabric. Please contact DuPont for specific data. If fabric becomes torn, abraded or punctured, or if seams or closures fail, or if attached gloves, visors, etc. are damaged, end user should discontinue use of garment to avoid potential exposure to chemical. Since conditions of use are outside our control, we make no warranties, express or implied, including, without limitation, no warranties of merchantability or fitness for a particular use and assume no liability in connection with any use of this information. This information is not intended as a license to operate under or a recommendation to infringe any patent or technical information of DuPont or others covering any material or its use.
Cellosolve® and Selexol™ are registered trademarks of Dow Chemicals Company. Skydrol® is a registered trademark of Solutia. - As of January 2023, all DuPont Personal Protection products are manufactured under specifications that exclude components containing natural rubber latex. Tyvek® 500, Tyvek® 600 and Tyvek® 800 styles made before January 2023 contain natural rubber latex, which may cause allergic reactions in some sensitized individuals. Anyone who begins to exhibit an allergic response during the use of DuPont products should immediately cease using these products and should report it to DuPont at +1 (888) 439-2988 so that an investigation can be initiated.
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