ASTM C1423-98(2003)
(Guide)Standard Guide for Selecting Jacketing Materials for Thermal Insulation
Standard Guide for Selecting Jacketing Materials for Thermal Insulation
SIGNIFICANCE AND USE
This standard is intended to be used by engineers and designers as a guide to assist them in selecting appropriate thermal insulation jacketing materials. As a guide, it can be used to identify performance characteristics that might be necessary for a particular insulation jacketing system. This guide is not a specification and therefore should not be used as such. It might, however, be useful in writing a specification. Specification C 921 can also be used to determine properties of jacketing materials for thermal insulation.
SCOPE
1.1 This guide covers criteria for selecting thermal insulation jacketing materials and is not intended for use as a performance or product specification.
1.2 This guide applies to jacketing materials applied over thermal insulation for piping, ducts, and equipment.
1.3 This guide includes jacketing materials used over thermal insulation whether the insulation is in the form of pipe, board, or blanket, or field applied materials that are self-supporting, including insulating cements.
1.4 This guide does not include covers or other retaining walls that contain loose fill, other nonsupporting insulation materials, or conduits or containers for buried insulation systems.
1.5 This guide does not include mastics and coatings and their reinforcements.
1.6 The values stated in inch-pound units are to be regarded as the standard. The SI values given in parentheses are provided for information only.
1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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Standards Content (Sample)
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Designation:C1423–98 (Reapproved 2003)
Standard Guide for
Selecting Jacketing Materials for Thermal Insulation
This standard is issued under the fixed designation C1423; the number immediately following the designation indicates the year 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 C168 Terminology Relating to Thermal Insulation
C488 Test Method for Conducting Exterior Exposure Tests
1.1 This guide covers criteria for selecting thermal insula-
of Finishes for Thermal Insulation
tion jacketing materials and is not intended for use as a
C835 Test Method for Total Hemispherical Emittance of
performance or product specification.
Surfaces up to 1400°C
1.2 This guide applies to jacketing materials applied over
C921 Practice for Determining the Properties of Jacketing
thermal insulation for piping, ducts, and equipment.
Materials for Thermal Insulation
1.3 This guide includes jacketing materials used over ther-
C1057 Practice for Determination of Skin Contact Tem-
mal insulation whether the insulation is in the form of pipe,
perature from Heated Surfaces Using a Mathematical
board, or blanket, or field applied materials that are self-
Model and Thermesthesiometer
supporting, including insulating cements.
C1136 Specification for Flexible, Low Permeance Vapor
1.4 This guide does not include covers or other retaining
Retarders for Thermal Insulation
walls that contain loose fill, other nonsupporting insulation
C1258 Test Method for Elevated Temperature and Humid-
materials, or conduits or containers for buried insulation
ity Resistance of Vapor Retarders for Insulation
systems.
C1263 Test Method for Thermal Integrity of Flexible Water
1.5 This guide does not include mastics and coatings and
Vapor Retarders
their reinforcements.
C1338 Test Method for Determining Fungi Resistance of
1.6 The values stated in inch-pound units are to be regarded
Insulation Materials and Facings
as the standard. The SI values given in parentheses are
D828 Test Method for Tensile Properties of Paper and
provided for information only.
Paperboard Using Constant-Rate-of-Elongation Appara-
1.7 This standard does not purport to address all of the
tus
safety concerns, if any, associated with its use. It is the
D882 Test Method for Tensile Properties of Thin Plastic
responsibility of the user of this standard to establish appro-
Sheeting
priate safety and health practices and determine the applica-
D1204 Test Method for Linear Dimensional Changes of
bility of regulatory limitations prior to use.
Nonrigid Thermoplastic Sheeting or Film at Elevated
2. Referenced Documents
Temperature
E84 Test Method for Surface Burning Characteristics of
2.1 ASTM Standards:
Building Materials
A240/A240M Specification for Chromium and Chromium-
E96/E96M Test Methods for Water Vapor Transmission of
Nickel Stainless Steel Plate, Sheet, and Strip for Pressure
Materials
Vessels and for General Applications
E119 Test Methods for Fire Tests of Building Construction
A366/A366M Specification for Steel, Sheet, Carbon, Cold-
and Materials
Rolled, Commercial Quality
E596 Test Method for Laboratory Measurement of Noise
B209 Specification for Aluminum and Aluminum-Alloy
Reduction of Sound-Isolating Enclosures
Sheet and Plate
F1249 Test Method for Water Vapor Transmission Rate
Through Plastic Film and Sheeting Using a Modulated
This guide is under the jurisdiction of ASTM Committee C16 on Thermal
Infrared Sensor
Insulation and is direct responsibility of Subcommittee C16.40 on Insulation
Systems.
2.2 TAPPI Standards:
Current edition approved April 10, 2003. Published August 2003. Originally
T461 Flame Resistance of Treated Paper and Paperboard
approved in 1998. Last previous edition approved in 1998 as C1423 – 98. DOI:
10.1520/C1423-98R03.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Withdrawn. The last approved version of this historical standard is referenced
Standards volume information, refer to the standard’s Document Summary page on on www.astm.org.
the ASTM website. TAPPI, 15 Technology Parkway South, Norcross, GA 30092.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
C1423–98 (2003)
T803 Puncture Test of Containerboard covered with a moisture resistant film to retard possible
galvanic and/or chemical corrosion of the jacketing.
3. Terminology 5.2.1.1 Aluminum jacketing materials can be manufactured
from Specification B209, Type 3003, 3004, 3105, 5005, 5010,
3.1 Definitions—Terminology C168 apply to the terms used
5020, or 1100 aluminum, temper ranges from H14 (half hard)
in this practice. The following terms are also used in this
through H19 (full hard). Where ambient conditions are severe,
standard.
the outer surface of the aluminum may be coated when
3.1.1 abuse resistance—ability of a material to be exposed
specified. Thicknesses generally available are from 0.006 to
for prolonged periods of time to normal physical abuse without
0.040 in. (0.15 to 1.02 mm).
significant deformation or punctures.
5.2.1.2 Steel jacketing materials can be manufactured from
3.1.2 ambient temperature—the dry bulb temperature of
Specification A366/A366M, Type 1010, 1015, or 1020 steel.
surrounding air when shielded from any sources of incident
The outer surface is typically protected by aluminizing, galva-
radiation.
nizing, or coating with plastic film or enamel to retard exterior
3.1.3 cleanability—ability of a material to be washed or
corrosion, or a combination thereof. Metal thicknesses gener-
otherwise cleaned to maintain its appearance.
ally available are from 0.010 to 0.019 in. (0.25 to 0.46 mm).
3.1.4 corrosion resistance—ability of a material to be ex-
5.2.1.3 Stainless steel jacketing materials can be manufac-
posedforprolongedperiodsoftimetoacorrosiveenvironment
tured from Specification A240/A240M, Type 301, 302, 303,
without significant onset of corrosion and the consequential
304, or 316 stainless steel, hardness B85 (soft annealed).
loss of mechanical properties.
Thicknesses generally available are from 0.010 to 0.019 in.
3.1.5 fire resistance—ability of a material to be exposed for
(0.25 to 0.46 mm).
a defined period of time to a fire with only limited and
5.3 Nonmetallic and Laminated Jacketing:
measurable loss of mechanical properties.
5.3.1 Laminated jacketing materials are typically manufac-
3.1.6 fungal growth resistance—ability of a material to be
tured from combinations of plastic films, plastic composites,
exposed continuously to damp conditions without the growth
metallic foils, reinforcing fabrics, papers, or felts selected to
of mildew or mold.
obtain the required performance characteristics. For flexible
3.1.7 temperature resistance—ability of a material to per-
low permeance vapor retarders, see Specification C1136.
formitsintendedfunctionafterbeingsubjectedtohighandlow
5.3.2 Textile or cloth jacketing materials are woven or
temperatures which the material might be expected to encoun-
knitted of textile yarns. Commonly available forms are 4, 6, or
ter during normal use.
2 2
8 oz/yd (0.14, 0.20, or 0.27 kg/m ) cotton canvas, various
3.1.8 weather resistance—ability of a material to be ex-
weavesofglassfiberyarns,presizedglasscloth,knit,orwoven
posed for prolonged periods of time to the outdoors without
plastic fibers.
significant loss of mechanical properties.
5.3.3 Plastic jacketing materials are manufactured in vari-
ous forms and types. Thicknesses generally available are from
4. Significance and Use
0.003 to 0.035 in. (0.08 to 0.89 mm). Various materials can be
4.1 This standard is intended to be used by engineers and
used such as poly-vital chloride (PVC), CPVS, fiberglass
designers as a guide to assist them in selecting appropriate
reinforced plastic (FRP), and others.
thermal insulation jacketing materials. As a guide, it can be
5.3.4 Saturated felt or cloth jacketing materials are manu-
used to identify performance characteristics that might be
factured from various base felts or cloths that have been
necessary for a particular insulation jacketing system. This
impregnated with bitumen or resinous materials. Examples:
guide is not a specification and therefore should not be used as
Glass fiber, polyester fiber, polyolefin fiber. This definition
such. It might, however, be useful in writing a specification.
does not include tar paper, asphalt paper, or other paperboard
Specification C921 can also be used to determine properties of
materials or other products, such as rag felt, that are made out
jacketing materials for thermal insulation.
of waste and they do not represent a continuous and resistant
base for a jacketing.
5. Materials and Manufacture
6. Physical and Chemical Performance Considerations
5.1 Jacketing materials may be composed of a single mate-
rial or a lamination of several components. The material may 6.1 This section includes a number of performance issues
be in the form of rolls or sheets or preformed to fit the surface that should be considered when using this guide to select a
to which they are to be applied. The materials may be applied jacketing material for thermal insulation. Some may not be
in the field or may be a factory-applied composite with the applicable to the particular application. However, to be certain
insulation. none are overlooked, the user should consider all materials
5.2 Metallic: initially and then eliminate those that are not applicable.
5.2.1 Metallic jacketing materials are those whose primary 6.2 Abuse Resistance—Considerationshouldbegiventothe
material (usually the component of greatest thickness) is metal, ability of a jacketing material to withstand a variety of physical
such as, aluminum, steel, and stainless steel. The metal may be conditions in excess of required functional design criteria.
smooth, corrugated, or embossed. The dimensions of corruga- Prior to selection, consideration should be given to the ex-
tions (pitch and depth) may be specified by the purchaser for pectedintensityandtypesofabuseaswellasthelengthoftime
interchangeability, constant rigidity, and control of sizes. The the jacketing material is expected to withstand a given level of
inner surface of metallic jacketing materials may be coated or abuse.
C1423–98 (2003)
6.2.1 Abuse May Include the Following Factors: jacket’s interior surface to retard such corrosion. A third is a
6.2.1.1 Foot traffıc—Will people or equipment be applying chemical reaction, that takes place in the presence of water tha
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