ASTM C534-99

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Designation: C 534 – 99
AMERICAN SOCIETY FOR TESTING AND MATERIALS
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Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
Preformed Flexible Elastomeric Cellular Thermal Insulation
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in Sheet and Tubular Form
This standard is issued under the fixed designation C 534; 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 (e) indicates an editorial change since the last revision or reapproval.
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1. Scope Tendency of Austenitic Steel
C 795 Specification for Thermal Insulation for use in Con-
1.1 This specification covers preformed flexible elastomeric
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tact with Austenitic Stainless Steel
cellular thermal insulation in sheet and tubular form. This
C 871 Test Methods for Chemical Analysis of Thermal
specification covers materials to be used on commercial or
Insulation Materials for Leachable Chloride, Fluoride,
industrial systems with operating temperatures from −57 to
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Silicate, and Sodium Ions
104°C (−70 to 220°F).
C 1045 Practice for Calculating Thermal Properties from
1.2 The values stated in SI units are to be regarded as the
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Steady-State Heat Flux Measurements
standard. The inch-pound equivalents of SI units, given in
C 1058 Practice for Selecting Temperatures for Evaluating
parentheses, may be approximate.
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and Reporting Thermal Properties of Thermal Insulation
1.3 This standard does not purport to address all of the
C 1114 Test Method for Steady-State Thermal Transmission
safety concerns, if any, associated with its use. It is the
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Properties by Means of the Thin-Heater Apparatus
responsibility of the user of this standard to establish appro-
C 1304 Test Method for Assessing the Odor Emissions of
priate safety and health practices and determine the applica-
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Thermal Insulation Materials
bility of regulatory limitations prior to use.
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D 883 Terminology Relating to Plastics
2. Referenced Documents D 1622 Test Method for Apparent Density of Rigid Cellular
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Plastics
2.1 ASTM Standards:
D 1667 Specification for Flexible Cellular Materials-Vinyl
C 168 Terminology Relating to Thermal Insulating Materi-
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2
Chloride Polymers and Copolymers (Closed-Cell Foam)
als
E 84 Test Method for Surface Burning Characteristics of
C 177 Test Method for Steady-State Heat Flux Measure-
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Building Materials
ments and Thermal Transmission Properties by Means of
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E 96 Test Methods for Water Vapor Transmission of Mate-
the Guarded Hot Plate Apparatus
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rials
C 209 Test Methods for Cellulosic Fiber Insulation Board
C 390 Criteria for Sampling and Acceptance of Preformed
3. Terminology
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Thermal Insulation Lots
3.1 Definitions—Terms used in this specification are defined
C 335 Test Method for Steady-State Heat Transfer Proper-
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in Terminology C 168 and in Terminology D 883.
ties of Horizontal Pipe Insulation
3.2 Definition of Term Specific to This Standard:
C 411 Test Method for Hot-Surface Performance of High-
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3.2.1 cellular elastomeric foam—a closed-cell foam made
Temperature Thermal Insulation
of natural or synthetic rubber, or a mixture of the two, and
C 447 Practice for Estimating the Maximum Use Tempera-
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containing other polymers, other chemicals, or both, which
ture of Thermal Insulations
may be modified by organic or inorganic additives. These
C 518 Test Method for Steady-State Heat Flux Measure-
foams have properties similar to those of vulcanized rubber,
ments and Thermal Transmission Properties by Means of
2 namely, (1) the ability to be converted from a thermoplastic to
the Heat Flow Meter Apparatus
a thermosetting state by cross-linking (vulcanization) and (2)
C 585 Practice for Inner and Outer Diameters of Rigid
2 the ability to recover substantially its original shape when
Thermal Insulation for Nominal Sizes of Pipe and Tubing
strained or elongated.
C 692 Test Method for Evaluating the Influence of Thermal
Insulations on the External Stress Corrosion Cracking
4. Classification
4.1 The types of preformed flexible elastomeric cellular
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This specification is under the jurisdiction of ASTM Committee C-16 on
thermal insulation are designated as follows:
Thermal Insulation and is the direct responsibility of Subcommittee C16.22 on
Organic and Nonhomogeneous Inorganic Thermal Insulation.
Current edition approved March 10, 1999. Published May 1999. Originally
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published as C 534 - 64T. Last previous edition C 534 - 94. Annual Book of ASTM Standards, Vol 08.01.
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Annual Book of ASTM Standards, Vol 04.06. Annual Book of ASTM Standards, Vol 04.07.
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C 534
4.1.1 Type I—Tubular, and 6.2.4 Compliance with inspection requirements shall be in
4.1.2 Ty
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