ASTM C1534-24 用作管道系统隔热和吸音衬里的柔性聚合物泡沫板隔热材料的标准规范

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Designation: C1534 −24
Standard Speciﬁcation for
Flexible Polymeric Foam Sheet Insulation Used as a
Thermal and Sound Absorbing Liner for Duct Systems
1
This standard is issued under the ﬁxed designation C1534; 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
1.1 This speciﬁcation covers the composition, dimensions,
and physical properties of ﬂexible unfaced foam sheet, used to
insulate interior surfaces of HVAC ducts, plenums and equip-
ment used for the distribution of conditioned air with a
temperature of up to 250°F (121°C).
1.2 HVAC ducts, plenums and equipment systems typically
operate between a temperature range of 50°F to 150°F (10°C to
65°C) and are designed to meet building code requirements of
maximum temperatures of 250°F (121°C).
1.3 The values stated in inch-pound units are to be regarded
as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only
and are not considered standard.
1.4 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 appro-
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accor-
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
2. Referenced Documents
2.1 ASTM Standards:
2
C168 Terminology Relating to Thermal Insulation
C177 Test Method for Steady-State Heat Flux Measure-
ments and Thermal Transmission Properties by Means of
the Guarded-Hot-Plate Apparatus
C390 Practice for Sampling and Acceptance of Thermal
Insulation Lots
C411 Test Method for Hot-Surface Performance of High-
Temperature Thermal Insulation
C423 Test Method for Sound Absorption and Sound Absorp-
tion Coefficients by the Reverberation Room Method
C447 Practice for Estimating the Maximum Use Tempera-
ture of Thermal Insulations
C518 Test Method for Steady-State Thermal Transmission
Properties by Means of the Heat Flow Meter Apparatus
C634 Terminology Relating to Building and Environmental
Acoustics
C665 Speciﬁcation for Mineral-Fiber Blanket Thermal Insu-
lation for Light Frame Construction and Manufactured
Housing
C1045 Practice for Calculating Thermal Transmission Prop-
erties Under Steady-State Conditions
C1071 Speciﬁcation for Fibrous Glass Duct Lining Insula-
tion (Thermal and Sound Absorbing Material)
C1104/C1104M Test Method for Determining the Water
Vapor Sorption of Unfaced Mineral Fiber Insulation
C1114 Test Method for Steady-State Thermal Transmission
Properties by Means of the Thin-Heater Apparatus
C1304 Test Method for Assessing the Odor Emission of
Thermal Insulation Materials
C1338 Test Method for Determining Fungi Resistance of
Insulation Materials and Facings
C1763 Test Method for Water Absorption by Immersion of
Thermal Insulation Materials
E84 Test Method for Surface Burning Characteristics of
Building Materials
E176 Terminology of Fire Standards
E795 Practices for Mounting Test Specimens During Sound
Absorption Tests
E2231 Practice for Specimen Preparation and Mounting of
Pipe and Duct Insulation Materials to Assess Surface
Burning Characteristics
1
This speciﬁcation is under the jurisdiction of ASTM Committee C16 on
Thermal Insulation and is the direct responsibility of Subcommittee C16.22 on
Organic and Nonhomogeneous Inorganic Thermal Insulations.
Current edition approved April 15, 2024. Published May 2024. Originally
approved in 2002. Last previous edition approved in 2022 as C1534 – 22. DOI:
10.1520/C1534-24.
2
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
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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.
1

G21 Practice for Determining Resistance of Synthetic Poly-
meric Materials to Fungi
2.2 Other Standards:
CAN/ULC-S102 Standard Method of Test for Surface
Burning Characteristics of Building Materials and Assem-
blies
3. Terminology
3.1 The deﬁnitions of terms used in this speciﬁcation shall
be in accordance with Terminologies C168,C634, and E176. In
case of any conﬂicts, Terminology C168 shall be the authority.
3.2 Deﬁnitions of Terms Speciﬁc to This Standard:
3.2.1 closed cell foam—a foam comprised of predominately
individual non interconnecting cells.
3.2.2 ﬂexible cellular—a cellular material that will not
rupture within 60 s when a specimen 1 × 1 × 8 in. in length (25
× 25 × 200 mm) is bent around a 1 in. (25 mm) diameter
mandrel at a uniform rate of one lap in 5 s in the form of a helix
at a temperature between 65 and 85°F (18 and 29°C).
3.2.3 open cell foam—a foam made porous by interconnect-
ing cells.
4. Classiﬁcation
4.1 The ﬂexible polymeric insulations of this speciﬁcation
are classiﬁed into Types I and II. Type I is a closed cell ﬂexible
foam. Type II is an open cell ﬂexible foam.
4.2 When referencing Speciﬁcation C1534, type and grade
shall always be speciﬁed.
NOTE 1—The primary difference between Type I and Type II materials
are: Type I materials exhibit lower water absorption properties and Type
II materials have greater acoustical properties as noted in Table 1 and
Table 2.
5. Materials
5.1 These products shall be made of a homogeneous blend
of natural or synthetic polymeric materials. Modiﬁcations with
various thermoplastic or thermosetting resins, plasticizers,
modiﬁers, antioxidants, curatives, blowing agents and other
additives are allowed. These products do not melt when
exposed to heat and are considered to be thermoset materials.
5.2 Flexible, polymeric cellular thermal insulations shall be
of uniform core density. These insulation materials are avail-
able with a smooth skin surface or coating on one or both sides,
and they are to be considered homogeneous for the purposes of
determining thermal performance.
6. Ordering Information
6.1 Speciﬁc installation, insulation type, thickness, length,
and width suited for the intended use shall be agreed upon by
the purchaser and supplier.
7. Physical Properties—See Tables 1 and 2 for Summary
of Requirements
7.1 Apparent Thermal Conductivity—The material shall be
tested for apparent thermal conductivity at 75°F (24°C) mean
temperature in accordance with 12.1. The thermal conductivity
for the average of any four randomly selected samples, shall
not be more than 0.30 Btu-in./h-sq ft°F (0.043 W/m-K) when
tested in accordance with 12.1. See Table 1.
NOTE 2—Consult the local or state building codes for the minimum
installed thermal resistance, R-value, required to be installed.
7.2 Surface Burning Characteristics—Shall be in accor-
dance with 12.2. See Table 1 for requirements.
7.3 Hot Surface Performance—The insulation shall have no
evidence of ﬂaming, glowing, smoldering, visible smoke,
delamination, cracking, melting, dripping or reduction in
thickness when tested in accordance with 12.3 at the tempera-
ture speciﬁed in Table 1. Maximum allowed warpage is 0.5 in.
(12 mm).
NOTE 3—Hot Surface Performance Characteristics for Type 1
Material—When this type of material is used on hot applications, the
material’s characteristics will change and should be considered when
selecting the material for an application. Heat will cause the elastomeric
insulation to harden. As the temperature approaches the stated high
temperature limit, the process occurs faster. This hardening will not
negatively effect the thermal performance or water vapor transmission
properties of the product. The hardening will be most noticeable closer to
the heat source. This effect is based on time and temperature.
7.4 Water Vapor Sorption—Shall be tested in accordance
with 12.4. See Table 1.
TABLE 1 Physical Properties
Type I Type II
Grade A Grade B
Maximum Apparent Thermal Conductivity Btu-in./h-ft
2
–°F) max.
(W/m-K) max.
0.30
(0.043)
0.30
(0.043)
0.30
(0.043)
Surface Burning Characteristics ( at maximum total installed thickness): (See
A
) (See
A
) (See
A
)
Flame Spread Index, (max) #25 15 25
Smoke Developed Index, (max) #50 15 50
Water Vapor Sorption wt % gain by vol. (max.) 0.75 0.1 0.1
Water Absorption, wt % gain by vol. (max.) 0.2 4.0 4.0
Dimensional Stability % change (max.) length, width or thickness 7.0 1.0 1.0
Odor Emission Pass Pass Pass
Corrosiveness Pass Pass Pass
Fungi Resistance No Growth No Growth No Growth
Erosion Resistance Pass Pass Pass
Hot Surface Performance at not less than 250°F (125°C)
(See 7.3 for requirements)
Pass Pass
B
Pass
B
A
Consult manufacturer regarding maximum thickness approved for surface burning characteristics Type 1 is typically tested at 1 in. thickness. Type 2 is typically tested
at 2 in. thickness. Product needs to be tested at the thickness to be used in the application.
B
In some cases actual product properties exceed requirements listed in Table 1, consult manufacturers for speciﬁc applications.
C1534 − 24
2

7.5 Water Absorption—Shall be tested in accordance with
12.5. See Table 1.
7.6 Dimensional Stability—Shall be tested in accordance
with 12.6.
7.7 Odor Emission—There shall be no detectable odor of
objectionable nature when tested in accordance with 12.7.
7.8 Corrosiveness—No corrosion shall be noted when tested
in accordance with 12.8.
7.9 Fungi Resistance—When tested in accordance with
12.9, the test specimens shall show no fungal growth.
7.10 Erosion Resistance—The product shall show no evi-
dence of delamination or continued erosion when air is passed
through typical duct sections when tested in accordance with
12.10.
7.11Sound Absorption Coeffıcient—When tested in accor-
dance with Test Method C423 using an “A” mounting in
accordance with Practice E795, the insulation shall have sound
absorption coefficient and NRC not less than that indicated in
Table 2.
8. Qualiﬁcation and Inspection Requirements
8.1 Qualiﬁcation Requirements—The following require-
ments shall be used for purposes of initial material qualiﬁca-
tion:
8.1.1 Apparent thermal conductivity (see 7.1),
8.1.2 Surface burning characteristics (see 7.2),
8.1.3 Hot surface performance (see 7.3),
8.1.4 Water vapor sorption (see 7.4),
8.1.5 Water absorption (see 7.5),
8.1.6 Dimensional stability (see 7.6),
8.1.7 Odor emission (see 7.7),
8.1.8 Corrosiveness (see 7.8),
8.1.9 Fungi resistance (see 7.9),
8.1.10 Erosion resistance (see 7.10), and
8.1.11 Sound absorption coefficient (see 7.11).
8.2 Inspection—The following requirements shall be used
for purposes of acceptance sampling of lots or shipments of
qualiﬁed thermal insulation:
8.2.1 Dimensional tolerances, and
8.2.2 Workmanship.
9. Dimensional Tolerances
9.1 After conditioning for a minimum of 24 h at 70 63°F
(21 61.6°C) and 50 65 % relative humidity, the insulation
shall conform to the dimensional tolerances listed in Table 3.
All dimensions shall be measured at the conditioning tempera-
ture.
10. Workmanship and Finish
10.1 The insulation shall indicate good workmanship in
fabrication and shall not have visible defects that adversely
effect service performance.
11. Sampling
11.1 Sampling of the insulation shall be in accordance with
Practice C390. Speciﬁc provisions for sampling shall be agreed
upon between the purchaser and the supplier.
12. Test Methods
12.1 Apparent Thermal Conductivity—Test in accordance
with Test Method C177 or Test Method C518 or Test Method
C1114 at 75°F (24°C) mean temperature (see also Practice
C1045).
12.2 Surface Burning Characteristics—Determine the sur-
face burning characteristic for the material in accordance with
Test Method E84. In Canada use Test Method CAN/ULC-
S102. The results shall be reported. See Section 1 of Test
Method E84 for information regarding the applicability of this
test method for use with cellular plastics and Practice E2231
for specimen mounting methods.
12.3 Hot Surface Performance—The maximum hot surface
temperature of the material shall be tested in accordance with
Test Method C411 and the hot surface performance section of
Practice C447 at the insulation’s maximum use temperature
and at the manufacturer’s maximum recommended thickness.
The surface shall be at the intended temperature when testing
begins. No special requirements for heat-up shall be speciﬁed
by the manufacturer.
12.4 Water Vapor Sorption—Test the water sorption of the
material in accordance with the Test Method C1104/C1104M.
TABLE 2 Sound Absorption Coefficients (minimum) Using Test Method C423 Type “A” Mounting
A
Practice E795
Frequency, Hz 125 250 500 1000 2000 4000 NRC
A
Type I
1
⁄
2
in. (13 mm) 0.00 0.04 0.06 0.20 0.40 0.15 0.20
1 in. (25 mm) 0.15 0.10 0.30 0.30 0.20 0.20 0.25
2 in. (50 mm) 0.08 0.62 0.32 0.43 0.36 0.31 0.50
Type II
1
⁄
2
in. (13 mm) 0.07 0.10 0.25 0.60 0.98 0.85 0.50
1 in. (25 mm) 0.14 0.20 0.45 0.80 0.98 0.85 0.60
2 in. (50 mm) 0.25 0.58 1.00 0.98 1.00 0.90 0.90
A
NRC-Noise Reduction Coefficient
TABLE 3 Dimensional Tolerance, in. (mm)
Dimension Tolerance
Width +0.250 in./-0 in. (+6 mm/-0 mm)
Length -0/excess permitted
Thickness ±10 %
C1534 − 24
3

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标签： #管道系统 #隔热和吸音衬里 #聚合物泡沫板

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ASTM C1534-2024 Standard Specification for Flexible Polymeric Foam Sheet Insulation Used as a Thermal and Sound Absorbing Liner for Duct Systems 用作管道系统隔热和吸音衬里的柔性聚合物泡沫板隔热材料的标准规范

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ASTM C1534-24 用作管道系统隔热和吸音衬里的柔性聚合物泡沫板隔热材料的标准规范

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