ASTM E1549/E1549M-13(2022)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: E1549/E1549M −13 (Reapproved 2022)
Standard Specification for
ESD Controlled Garments Required in Cleanrooms and
Controlled Environments for Spacecraft for Non-Hazardous
and Hazardous Operations
ThisstandardisissuedunderthefixeddesignationE1549/E1549M;thenumberimmediatelyfollowingthedesignationindicatestheyear
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 1.6 The values stated in either SI units or inch-pound units
are to be regarded separately as standard. The values stated in
1.1 This document specifies special items of clothing
each system may not be exact equivalents; therefore, each
(cleanroom garments) designed to protect aerospace products
system shall be used independently of the other. Combining
fromelectrostaticdischargeandfromcontaminantsreleasedby
values from the two systems may result in non-conformance
personnel and garments. Special clothing includes low linting
with the standard.
coveralls, footwear, and head covers.
1.7 This standard does not purport to address all of the
1.2 The function of cleanroom garments is to contain the
safety concerns, if any, associated with its use. It is the
contaminants generated by people and to minimize contami-
responsibility of the user of this standard to establish appro-
nants from the garments.
priate safety, health, and environmental practices and deter-
1.3 Two types of fabrics can be selected for the garments.
mine the applicability of regulatory limitations prior to use.
Both types are inherently static-dissipative materials to prevent
1.8 This international standard was developed in accor-
electrical discharges that can damage sensitive hardware or
dance with internationally recognized principles on standard-
initiate explosions in the presence of flammable vapors. The
ization established in the Decision on Principles for the
material specified for “hazardous environments” is flame
Development of International Standards, Guides and Recom-
resistant and provides additional protection to the wearer.
mendations issued by the World Trade Organization Technical
Selection of garment design and fabric should be based on the
Barriers to Trade (TBT) Committee.
user’s needs with respect to functional and environmental
requirements. 2. Referenced Documents
2.1 ASTM Standards:
1.4 Additional background information can be found in
D123 Terminology Relating to Textiles
SD-TR-91-26 and IEST-RP-CC003.3.
D204 Test Methods for Sewing Threads
1.5 This standard is intended to be in compliance with the
D1683 Test Method for Failure in Sewn Seams of Woven
ASTM policy on Fire Standards. Flammability tests specified
Fabrics
in this standard should be used to measure and describe the
D1894 Test Method for Static and Kinetic Coefficients of
properties of fabrics in response to heat and flame under
Friction of Plastic Film and Sheeting
controlled laboratory conditions and should not be used to
D2257 Test Method for Extractable Matter in Textiles
describe or appraise the fabrics under actual fire conditions.
D5034 TestMethodforBreakingStrengthandElongationof
However, results of the tests may be used as elements of a fire
Textile Fabrics (Grab Test)
risk assessment which takes into account all of the factors
D6193 Practice for Stitches and Seams
which are pertinent to an assessment of the fire hazard of
D737 Test Method for Air Permeability of Textile Fabrics
operations in controlled environment areas.
E96/E96M Test Methods for Gravimetric Determination of
Water Vapor Transmission Rate of Materials
E176 Terminology of Fire Standards
This specification is under the jurisdiction ofASTM Committee E21 on Space
E535 Practice for Preparation of Fire-Test-Response Stan-
Simulation andApplications of Space Technology and is the direct responsibility of
dards
Subcommittee E21.05 on Contamination.
Current edition approved Nov. 1, 2022. Published November 2022. Originally
approved in 1993. Last previous edition approved in 2016 as E1549/
E1549M – 13(2016). DOI: 10.1520/E1549_E1549M-13R22. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
ASTM Fire Standards and Related Technical Material; 7th Edition, June 2007, contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
ISBN13: 978-0-8031-5684-5, available on request from ASTM Headquarters, 100 Standards volume information, refer to the standard’s Document Summary page on
Barr Harbor Dr., PO Box C700, West Conshohocken, PA 19428–2959. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
E1549/E1549M − 13 (2022)
E1560 Test Method for Gravimetric Determination of Non- IEST-RP-CC022.2 Electrostatic Charge in Cleanrooms and
volatile Residue From Cleanroom Wipers Other Controlled Environments
F51 Test Method for Sizing and Counting Particulate Con- NFPA 70E Electrical Safety in the Workplace
taminant In and On Clean Room Garments
2.6 International Standards:
F739 Test Method for Permeation of Liquids and Gases
ISO 14644-1 Cleanrooms and Associated Controlled
Through Protective Clothing Materials Under Conditions
Environments, Classification of Air Cleanliness
of Continuous Contact
ISO 14644-2 Cleanrooms and Associated Controlled
F1506 Performance Specification for Flame Resistant and
Environments-Specifications for testing and monitoring to
Electric Arc Rated Protective Clothing Worn by Workers
prove continued compliance with ISO 14644-1
Exposed to Flames and Electric Arcs
2.2 U.S. Federal Standards:
3. Terminology
CFR Title 16 Part 1610 Standard for the Flammability of
3.1 Terminology related to textiles is based on Terminology
Clothing Textiles
D123. Terminology related to fire safety is based on Terminol-
A-A 50195 Thread, Aramid
ogy E176.
FED-STD-209E Airborne Particulate Cleanliness Classes in
3.2 General Definitions:
Cleanrooms and Clean Zones
3.2.1 cleanroom, n—an area in which the airborne particle
2.3 U.S. Department of Defense:
concentrations, temperature, humidity, molecular species,
MIL-C-43122G Cloth, Sateen, Cotton, Flame Retardant
pressure, activities, and other environmental parameters are
Treated
controlled, as required, to produce acceptable products.
MIL-DTL-43685C Webbing and Tape, Textile, Aramid Fi-
3.2.1.1 Discussion—The use of HEPA, or better, filters are
ber
usually required for the incoming air, and the maximum
MIL-STD-3010B Test Procedures for Packaging Materials
allowable airborne particle concentrations are specified in
SD-TR-89-63 Standard Methods for Measurement of Non-
volatile Residue on Surfaces, E. N. Borson, E. J.Watts, G. accordance with the ISO 14644 standards.
A. To; U.S. Air Force, Space Systems Division, 10 Aug.
3.2.2 electrostatic discharge, ESD, n—a high voltage elec-
trical discharge that occurs when electrical charges accumulate
SD-TR-91-26 Garment Selection for Cleanrooms and Con-
on or in materials as a result of friction between materials.
trolled Environments for Spacecraft, E. J. Watts, U.S. Air
3.2.3 fiber, n—a particle with a length to diameter ratio of
Force, Space Systems Division, 1 April 1991
ten or more. (See textile fibers.)
2.4 NASA:
3.2.4 gloss, n—a shiny or lustrous appearance resulting
KSC-SPEC-P-0016 Specification for Minimum Require-
fromthetendencyofasurfacetoreflectlightatoneanglemore
ments for Garment Snap Fastener
than at others.
KSC-MMA-1985-79, Revision 6, Standard Test Method for
Evaluating Triboelectric Charge Generation and Decay 3.2.5 HEPA (high effıciency particulate air) filter, n—a filter
for air with a removal efficiency in excess of 99.97 % for
NASA-STD-6001 Flammability, Offgassing, and Compat-
ibility Requirements and Test Procedures, Upward Flame 0.3-µm particles.
Propagation Test (Test 1)
3.2.6 NVR (nonvolatile residue), n—quantity of residual
2.5 Others:
soluble, suspended, and particulate matter remaining after the
ANSI/ESD S20.20 Standard For the Development of an
controlled evaporation of a volatile liquid at a specified
Electrostatic Discharge Control Program for Protection of
temperature.
Electrical and Electronic Parts, Assemblies and Equip-
3.2.6.1 Discussion—The liquid is usually filtered through a
ment (Excluding Electrically Initiated Explosive De-
membrane filter, of a specified size, before evaporation. The
vices)
process used to determine the NVR may affect the quantitative
ESD ADV1.0-2009 ESD Association Advisory for Electro-
measurement. Process factors include filter size, solvent, and
static Discharge Terminology, Glossary
the evaporation temperature and atmosphere. For this reason,
IEST-RP-CC-003.3 Garments Required In Cleanrooms And
the process must be defined.The NVR of fabrics is determined
Controlled Environment Areas
by extracting a specified quantity of fabric using a specified
solvent. The solvent is then evaporated to determine the NVR
4 extracted from the fabric. See extractable matter, 3.3.7, which
Available from U.S. Government Printing Office, Washington, DC.
Available from U.S. Natick Research Development and Engineering Center, is frequently used to describe NVR in fabrics.
Natick, MA 07160-5014.
3.2.7 particle, n—a solid or liquid object generally between
Reprints available from The Aerospace Corporation Library, P.O. Box 92957,
0.001 and 1000 µm (1 mm) in size.
El Segundo, CA 90009.
NASATechnical Standards Program Office, ED10, MSFC,AL, 35812; Online,
available: https://standards.nasa.gov/documents/ksc
NASATechnical Standards Program Office, ED10, MSFC,AL 35812; Online,
available: https://standards.nasa.gov/documents/nasa. Available from National Fire Protection Association (NFPA), 1 Batterymarch
Available from Electrostatic Discharge Association 7900 Turin Road, Bldg. 3, Park, Quincy, MA 02169-7471, http://www.nfpa.org.
Rome, NY 13440. AvailablefromAmericanNationalStandardsInstitute(ANSI),25W.43rd.St.,
Available from the Institute of Environmental Sciences, 940 E. Northwest 4th Floor, New York, NY 10036. These standards supersede FED-STD-209E. The
Highway, Mount Prospect, IL 60056. latter may still be used if mutually agreed to by customer and supplier.
E1549/E1549M − 13 (2022)
3.2.8 U.S. Customary Units System, USCS, n—The system 3.3.15 Nomex®, n—a synthetic aramid fiber manufactured
of units in common use in the United States. This is frequently by DuPont that meets the requirements of NASA Technical
called the “inch-pound system.” Standard, NASA-STD-6001, Test 1 for flame retardancy.
3.3.16 nylon, n—a manufactured fiber in which the fiber-
3.3 Fabric Definitions:
formingsubstanceisalongchainsyntheticpolyamideinwhich
3.3.1 count, n—in woven textiles, the number of warp yarns
less than 85 % of the amide linkages are attached directly to
(ends) and filling yarns (picks) per unit distance as counted
two aromatic rings.
while the fabric is held under zero tension and is free of folds
and wrinkles. 3.3.17 polyester, n—a manufactured fiber in which the
fiber-forming substance is any long chain synthetic polymer
3.3.2 Dacron®, n—DuPont registered trademark for its
composedofatleast85 %byweightofanesterofasubstituted
polyester fiber.
aromatic carboxylic acid, including but not restricted to sub-
3.3.3 Delrin®, n—DuPont trade name for a crystalline form
stituted terephthalate units, and para-substituted hydroxy-
of polymerized formaldehyde.
benzoate units.
3.3.4 denier, n—a direct numbering system for expressing 3.3.18 porosity, n—the ratio of the volume of air or void
linear density, equal to the mass in grams per 9000 m of yarn,
contained within the boundaries of a material to the total
filament, fiber, or other textile strand. volume (solid matter plus air or void) expressed as a percent-
age.
3.3.5 drycleaning, n—cleaning fabrics in a substantially
3.3.19 selvage, n—the woven edge portion of a fabric
nonaqueous liquid medium.
parallel to the warp.
3.3.5.1 Discussion—Perchloroethylene is typically used.
3.3.20 sewn seam, n—a juncture of which two or more
3.3.6 end, n—an individual warp yarn (single or ply) or
planar structures such as textile fabrics, are joined by sewing,
cord.
usually near the edge.
3.3.7 extractable matter, n—nonfibrous material in or on a
3.3.21 static dissipative fabric, n—an inherently static con-
textile, not including water, which is removable by a specified
trolfabricwithsurfaceresistivitybetween10 ohmspersquare
solvent or solvents, as directed in a specified procedure. See
and not more than 10 ohms per square.
NVR, 3.2.6.
3.3.21.1 Discussion—The ESD Association defines the up-
3.3.8 textile fiber, n—
per limit for static dissipative materials as not more than 10
(1) general—a generic term for the various types of matter
ohms per square and the acceptable upper limit for static
11 14
that form the basic elements of textile fabrics and other textile
control garments as not more than 10 ohms per square.
structures.
3.3.22 stitch, n—in sewn seams,therepeatedunitformedby
(2) specific—a unit of matter that is characterized by
the sewing thread(s) in the production of seams.
having a length at least 100 times its diameter or width and
3.3.23 Teflon®, n—DuPont trade name for polytetrafluoro-
which can be spun into a yarn or made into a fabric by
ethylene (PTFE) polymer fiber. It is chemically resistant and
interlacing in a variety of methods, including knitting,
does not absorb moisture.
braiding, felting, and twisting.
3.3.24 twill weave, n—a weave characterized by diagonal
3.3.9 filament, n—a variety of fiber having extreme length,
lines produced by a series of floats staggered in the warp
not readily measured.
direction. Floats are normally formed by the filling (a filling-
3.3.9.1 Discussion—Synthetic fibers formed from man-
faced twill).
made and natural polymers are in this class.
3.3.25 warp, n—(1) the yarn running lengthwise in a woven
3.3.10 filling, n—yarn running from selvage to selvage at
fabric. (2) a group of yarns in long lengths and approximately
right angles to the warp in a woven fabric.
parallel, put on beams or warp reels for further textile process-
ing including weaving, knitting, twisting, dyeing, and so forth.
3.3.11 float, n—the portion of a warp or filling yarn that
extends unbound over two or more filling or warp yarns. 3.3.26 woven fabric, n—a structure produced when at least
twosetsofstrandsareinterlaced,usuallyatrightanglestoeach
3.3.12 foreign object debris (FOD), n—a substance, debris
other, according to a predetermined pattern of interlacing, and
or article which is alien to a vehicle or system which would
such that at least one set is parallel to the axis along the
potentially cause damage.
lengthwise direction of the fabric.
3.3.13 laundering, n—a process used to refurbish a textile
3.3.27 yarn, n—a generic term for a continuous strand of
product by (1) cleaning it in water containing a detergent or
textile fibers, filaments, or material in a form suitable for
surfactant and (2) drying it.
knitting, weaving, or otherwise intertwining to form a textile
3.3.13.1 Discussion—Laundering for cleanroom garments
fabric.
requires the use of water, cleaning agents, environmental
control, and packaging so that the garments are compatible 13
ESD ADV1.0-2009 ESD Association Advisory for Electrostatic Discharge
with the final product cleanliness requirements. Terminology, Glossary.
ANSI/ESD S20.20 Standard For the Development of an Electrostatic Dis-
3.3.14 lint, n—fiber fragments abraded from textile materi-
charge Control Program for Protection of Electrical and Electronic Parts, Assem-
als; also loose short fibers or fluff. blies and Equipment (Excluding Electrically Initiated Explosive Devices).
E1549/E1549M − 13 (2022)
3.3.28 yarn number, n—a measure of the fineness or size of 4.1.6.3 Edges:
a yarn expressed either as mass per unit length (direct system) (1) Raw edges at neck, wrist, and ankle hems shall either
or as length per unit mass (indirect system). beserged(overcast)withStitchType504,orboundwithfabric
3.3.28.1 Discussion—The kg/m (denier) system is a direct before joining to any other part or being hemmed.
one, and denotes the linear density of the yarn. (2) The use of edge lock or other sealants on fabric edges
to prevent fraying during manufacturing is not recommended.
3.4 Fire Safety Definitions:
If such a material is used, it shall be completed removed prior
3.4.1 flame, n—a hot, usually luminous, zone of gas that is
to completion of the garment.
undergoing combustion.
4.1.7 Closures:
3.4.1.1 Discussion—The luminosity of a flame is frequently
4.1.7.1 Zipper Closures—Zipper tapes shall be woven from
caused by the presence of glowing particulate matter sus-
continuous filament polyester yarns. Zipper teeth shall be
pended in the hot gases.
fabricated of a synthetic polymer such as Teflon filled Delrin
3.4.2 flame resistance, n—the ability to withstand flame
(or equivalent).
impingement or give protection from it.
4.1.7.2 Snaps, Grippers, and Buttons:
3.4.2.1 Discussion—Clothing textiles are tested and classi-
(1) Snaps, grippers, and buttons shall not be used to close
fied in accordance with the U. S. Code of Federal Regulations
garmentsbecausetheydonotprovideasealandallowparticles
Title 16: Commercial Practices - Part 1610 to comply with the
to escape from inside the garment.
Flammable Fabrics Act.
(2) In addition, snaps, grippers, and buttons are not recom-
3.4.3 hazardous, adj—of or involving danger of injury or
mended for other uses on cleanroom protective clothing
loss of life resulting from exposure to a potentially dangerous
because of the possibility of the fasteners falling off and
environment.
potentially becoming entrapped within hardware as foreign
3.4.3.1 Discussion—The primary hazard of concern in this
object debris.
specification is the protection of personnel from flame.
(3) Stainless steel snaps may be selected only for closures
which are covered by another part of the garment. Users may
4. Garment Requirements
take exception to this if they deem the risk to be acceptable.
(4) When snaps are used they shall be protected from
4.1 General:
contact with the skin and shall be in accordance with KSC-
4.1.1 Apparel worn in environmentally controlled facilities
SPEC-P-0016 or equivalent.
shall be functional and job oriented.
4.1.7.3 Hook and Loop Fasteners —Hook and loop fasten-
4.1.2 Uniforms shall form barriers between the human
ers are not recommended because of the possibility of con-
contaminator and their work.
taminating critical parts from the shedding of particles when
4.1.3 Health:
the mating sections are opened and closed and leakage of
4.1.3.1 Garments shall not irritate, react with, or be abrasive
particles from personnel through the closure.
to the skin, and must not emit objectionable odor when wet or
4.1.8 Initial Cleaning—All garments shall be water-washed
dry.
a minimum of two times before initial use to remove manu-
4.1.3.2 Pore size of the fabric and the permeability of air
facturing residues.
and moisture affect comfort.
4.2 Coveralls:
NOTE 1—There is no standard test method for measuring the moisture
vapor transmission rate of woven and non-woven cleanroom fabrics. The 4.2.1 The recommended cleanroom coverall ensemble de-
most commonly referred to document is Test Methods E96/E96M which
sign is shown in Fig. 1.
givestestproceduresapplicabletosheetmaterialsusedintheconstruction
4.2.2 Collar—The collar shall be military style (mandarin)
industry as vapor barriers. The Water Vapor Permeability Cup test and the
as shown in Fig. 2.
Method B (upright) test have been selected fromTest Methods E96/E96M
4.2.3 Sleeves—The sleeves shall be inset to maximize
as acceptable by fabric manufacturers.
matching of the carbon filaments for antistatic purposes.
4.1.4 All apparel shall be designed with a minimum of
Raglan sleeve design is permissible, provided that careful
seams, raw edges, or dust collection features.
attention is given to matching the carbon filaments between
4.1.5 Entrapment Areas—Pockets (except for the zippered,
sleeve and body.
optional badge pocket in 4.2.10), belts, pleats, fold-over
4.2.4 Cuffs:
collars, and folded or trough cuffs are prohibited. Pen-tabs are
4.2.4.1 The recommended construction is knit, polyester
not recommended.
cuffs. However, snaps may be used consistent with the recom-
4.1.6 Seams and Edges:
mendations in 4.1.7.2.
4.1.6.1 Sewing Thread—Sewing thread shall be either
4.2.4.2 Material—Multifilament 100 % polyester knit cuffs
multifilament, polyester, or multifilament Nomex aramid as
shall be sewn at the wrist to provide a positive closure.
specifiedin5.3.1and6.3.1tobecompatiblewiththerespective
4.2.4.3 Construction—The fabric shall be doubled over
types of fabrics. Refer to A-A 50195.
before stitching to the garment so there is no sewn seam at the
4.1.6.2 Seams—All seams shall be finished completely.
terminus of the sleeve.
Major garment seams shall be double-needle flat felled follow-
ing Practice D6193, Seam Type LSC-2 and Stitch Type 401,
6.5-mm [ ⁄4-in.] gage. Seams shall pass the standard test
methods for failure given in Test Method D1683. Such as Velcro.
E1549/E1549M − 13 (2022)
4.2.4.4 Dimensions—Finished cuffs shall be a minimum of
75mm[3in.]long.Thediametershallbesizedsoastoprovide
a snug fit around the wrist (See Table 1, Table 2, and Table 3.).
4.2.5 Legs—Leg closures are not recommended because the
leg bottoms are enclosed within the high top boot. However,
closures may be used provided the requirements of 4.1.7.2 and
4.1.7.3 are followed.
4.2.6 Zipper Closures—A full length self-locking zipper
shall be used to close the main body of the coverall, and a
protective placket of fabric shall be sewn to the garment along
the length of the zipper. Zipper closures shall meet the
requirements of 4.1.7.1.
4.2.7 Cutting the Fabric—The directional line of cutting the
fabric for the coverall shall be in the warp direction.
4.2.8 Sizes—The choice of sizes shall be made from mea-
surements listed in Table 1, Table 2 and Table 3 of this
specification. The sizes are shown in both SI (metric) and
USCS units.
4.2.9 Labels:
4.2.9.1 Each garment shall have a label sewn inside the
garment at the neck, denoting size, date of manufacture,
FIG. 1 Clean Room Garment Ensemble
manufacturer’s name, and fiber type. In addition to this
information, printed bar codes or matrix identification symbols
may be used so that automated systems can be used to control
garments.
4.2.9.2 The material shall not fray or deteriorate over the
lifetime of the garment.
4.2.9.3 The printing shall be durable and compatible with
wet- and dry-cleaning processes.
4.2.9.4 Logos and other labels may be applied using a gas
sublimation transfer technique that dyes the yarn without
producing particulate matter.
NOTE 1—These dimensions are typical. Actual dimensions shall be 4.2.10 Personnel Identification Pocket (Optional):
selected to fit the badges to be used.
4.2.10.1 Badge pocket detail is shown in Fig. 2.
FIG. 2 Optional Badge Pocket Detail
TABLE 1 Size Specifications for Cleanroom Coveralls, Short Lengths Measurements in SI [USCS] mm [in.]
XS S M L XL XXL XXXL XXXXL XXXXXL
SI SIZE mm 760–810 860–910 960–1020 1070–1120 1170–1220 1270–1320 1370–1420 1470–1520 1570–1630
USCS SIZE [in.] [30–32] [34–36] [38–40] [42–44] [46–48] [50–52] [54–56] [58–60] [62–64]
Chest 1020 [40] 1070 [42] 1170 [46] 1270 [50] 1370 [54] 1470 [58] 1570 [62] 1680 [66] 1780 [70]
Waist 970 [38] 1020 [40] 1120 [44] 1220 [48] 1320 [52] 1420 [56] 1520 [60] 1630 [64] 1730 [68]
Hip 1040 [41] 1120 [44] 1220 [48] 1320 [52] 1420 [56] 1520 [60] 1630 [64] 1730 [68] 1830 [72]
Trunk 1550 [61] 1630 [64] 1680 [66] 1750 [69] 1800 [71] 1850 [73] 1910 [75] 1960 [77] 2010 [79]
1 1
Back yoke 440 [17 ⁄4 ] 470 [18 ⁄2 ] 510 [20] 560 [22] 610 [24] 660 [26] 710 [28] 760 [30] 810 [32]
1 1 1 1 1 1 1
Leg inseam 700 [27 ⁄2 ] 710 [28] 710 [28] 775 [30 ⁄2 ] 775 [30 ⁄2 ] 775 [30 ⁄2 ] 775 [30 ⁄2 ] 775 [30 ⁄2 ] 775 [30 ⁄2 ]
Sleeve inseam 430 [17] 430 [17] 480 [19] 480 [19] 480 [19] 480 [19] 480 [19] 480 [19] 480 [19]
1 1 1 1 1 1
Sleeve outseam 710 [28] 740 [29] 810 [32] 850 [33 ⁄2 ] 880 [34 ⁄2 ] 900 [35 ⁄2 ] 930 [36 ⁄2 ] 950 [37 ⁄2 ] 980 [38 ⁄2 ]
1 1 1 1
Wrist 280 [11] 290 [11 ⁄2 ] 290 [11 ⁄2 ] 290 [11 ⁄2 ] 290 [11 ⁄2 ] 300 [12] 300 [12] 300 [12] 300 [12]
Overall length 1520 [60] 1550 [61] 1570 [62] 1600 [63] 1630 [64] 1650 [65] 1680 [66] 1700 [67] 1730 [68]
POINTS OF MEASURE:
Chest: With coverall buttoned, distance around chest, 25 mm [1 in.] below underarm armhole seam.
Waist: With coverall buttoned, distance around center of waistband.
Hip: Distance around hips, measured at bottom of front fly.
Trunk: With front of waistband even with back waistband double the distance between the back collar seam and bottom of the crotch.
Yoke: Measured across shoulders between points where shoulder seams join the arm seams.
Inseam: (Leg): Distance from crotch seam to bottom of ankle.
Inseam: (Sleeve): Distance from armpit to wrist.
Tolerances: 625 mm [1 in.] for all measurements except the wrist.
612 mm [ ⁄2 in.] for wrist measurements.
E1549/E1549M − 13 (2022)
TABLE 2 Size Specifications for Cleanroom Coveralls, Long Lengths Measurements in SI [USCS] mm [in.]
XS S M L XL XXL XXXL XXXXL XXXXXL
SI SIZE mm 760–810 860–910 960–1020 1070–1120 1170–1220 1270–1320 1370–1420 1470–1520 1570–1630
USCS SIZE [in.] [30–32] [34–36] [38–40] [42–44] [46–48] [50–52] [54–56] [58–60] [62–64]
Chest 1020 [40] 1070 [42] 1170 [46] 1270 [50] 1370 [54] 1470 [58] 1570 [62] 1680 [66] 1780 [70]
Waist 970 [38] 1020 [40] 1120 [44] 1220 [48] 1320 [52] 1420 [56] 1520 [60] 1630 [64] 1730 [68]
Hip 1040 [41] 1120 [44] 1220 [48] 1320 [52] 1420 [56] 1520 [60] 1630 [64] 1730 [68] 1830 [72]
Trunk 1750 [69] 1830 [72] 1880 [74] 1960 [77] 2010 [79] 2060 [81] 2110 [83] 2160 [85] 2210 [87]
1 1
Back yoke 440 [17 ⁄4 ] 470 [18 ⁄2 ] 510 [20] 560 [22] 610 [24] 660 [26] 710 [28] 760 [30] 810 [32]
Leg inseam 780 [31] 810 [32] 810 [32] 860 [34] 860 [34] 860 [34] 860 [34] 860 [34] 860 [34]
Sleeve inseam 530 [21] 530 [21] 580 [23] 580 [23] 580 [23] 580 [23] 580 [23] 580 [23] 580 [23]
1 1 1 1 1 1 1 1 1
Wrist 290 [11 ⁄2 ] 290 [11 ⁄2 ] 290 [11 ⁄2 ] 290 [11 ⁄2 ] 290 [11 ⁄2 ] 290 [11 ⁄2 ] 290 [11 ⁄2 ] 290 [11 ⁄2 ] 290 [11 ⁄2 ]
POINTS OF MEASURE:
Chest: With coverall buttoned, distance around chest, 25 mm [1 in.] below underarm armhole seam.
Waist: With coverall buttoned, distance around center of waistband.
Hip: Distance around hips, measured at bottom of front fly.
Trunk: With front of waistband even with back waistband double the distance between the back collar seam and bottom of the crotch.
Yoke: Measured across shoulders between points where shoulder seams join the arm seams.
Inseam: (Leg): Distance from crotch seam to bottom of ankle.
Inseam: (Sleeve): Distance from armpit to wrist.
Tolerances: 625 mm [1 in.] for all measurements except the wrist.
612 mm [ ⁄2 in.] for wrist measurements.
TABLE 3 Size Specifications for Cleanroom Coveralls, Short Lengths Measurements in SI [USCS] mm [in.]
XS S M L XL XXL XXXL XXXXL XXXXXL
SI SIZE mm 760–810 860–910 960–1020 1070–1120 1170–1220 1270–1320 1370–1420 1470–1520 1570–1630
USCS SIZE [in.] [30–32] [34–36] [38–40] [42–44] [46–48] [50–52] [54–56] [58–60] [62–64]
Chest 1020 [40] 1070 [42] 1170 [46] 1270 [50] 1370 [54] 1470 [58] 1570 [62] 1680 [66] 1780 [70]
Waist 970 [38] 1020 [40] 1120 [44] 1220 [48] 1320 [52] 1420 [56] 1520 [60] 1630 [64] 1730 [68]
Hip 1040 [41] 1120 [44] 1220 [48] 1320 [52]
...