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ASTM C610-07

(Specification)

Standard Specification for Molded Expanded Perlite Block and Pipe Thermal Insulation

Standard Specification for Molded Expanded Perlite Block and Pipe Thermal Insulation

ABSTRACT
This specification covers molded expanded perlite block, fittings, and pipe thermal insulation intended for use on surfaces with temperatures of certain range. The insulation shall not have visible defects that will adversely affect its service qualities. Different test methods shall be performed in order to determine the properties of the block, fitting, and pipe insulations: density, apparent thermal conductivity, linear shrinkage after heat soaking, flexural strength, compressive strength, weight loss by tumbling, moisture content, water absorption after heat aging, surface bearing characteristics, hot-surface performance, and stress corrosion cracking of austenitic stainless steel.
SCOPE
1.1 This specification covers molded expanded perlite block, fittings, and pipe thermal insulation intended for use on surfaces with temperatures between 80 to 1200°F (27 to 649°C).
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
When the installation or use of thermal insulation materials, accessories, and systems may pose safety or health problems, the manufacturer shall provide the user appropriate current information regarding any known problems associated with the recommended use of the company's products and shall also recommend protective measures to be employed in their safe utilization. The following safety caveat applies only to the test methods portion of this specification: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.

General Information

Status
Historical
Publication Date
14-Apr-2007
ICS
91.100.60 - Thermal and sound insulating materials
Technical Committee
C16 - Thermal Insulation
Drafting Committee
C16.20 - Homogeneous Inorganic Thermal Insulations
Current Stage
Ref Project

Relations

Replaces
ASTM C610-05 - Standard Specification for Molded Expanded Perlite Block and Pipe Thermal Insulation
Effective Date
15-Apr-2007
Replaced By
ASTM C610-09 - Standard Specification for Molded Expanded Perlite Block and Pipe Thermal Insulation
Effective Date
01-May-2009
Referred By
ASTM C1558-19 - Standard Guide for Development of Standard Data Records for Computerization of Thermal Transmission Test Data for Thermal Insulation
Effective Date
15-Apr-2007
Referred By
ASTM F683-23 - Standard Practice for Selection and Application of Thermal Insulation for Piping and Machinery
Effective Date
15-Apr-2007
Referred By
ASTM C1696-20 - Standard Guide for Industrial Thermal Insulation Systems
Effective Date
15-Apr-2007

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ASTM C610-07 - Standard Specification for Molded Expanded Perlite Block and Pipe Thermal InsulationASTM C610-07 - Standard Specification for Molded Expanded Perlite Block and Pipe Thermal Insulation
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ASTM C610-07 - Standard Specification for Molded Expanded Perlite Block and Pipe Thermal Insulation
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: C 610 – 07
Standard Specification for
Molded Expanded Perlite Block and Pipe Thermal
1
Insulation
This standard is issued under the fixed designation C610; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope C203 Test Methods for Breaking Load and Flexural Prop-
erties of Block-Type Thermal Insulation
1.1 This specification covers molded expanded perlite
C302 Test Method for Density and Dimensions of Pre-
block, fittings, and pipe thermal insulation intended for use on
formed Pipe-Covering-Type Thermal Insulation
surfaces with temperatures between 80 to 1200°F (27 to
C303 Test Method for Dimensions and Density of Pre-
649°C).
formed Block and Board−Type Thermal Insulation
1.2 The values stated in inch-pound units are to be regarded
C335 Test Method for Steady-State Heat Transfer Proper-
as the standard. The values given in parentheses are for
ties of Pipe Insulation
information only.
C356 Test Method for Linear Shrinkage of Preformed
1.3 When the installation or use of thermal insulation
High-Temperature Thermal Insulation Subjected to Soak-
materials, accessories, and systems may pose safety or health
ing Heat
problems, the manufacturer shall provide the user appropriate
C390 Practice for Sampling and Acceptance of Thermal
current information regarding any known problems associated
Insulation Lots
withtherecommendeduseofthecompany’sproductsandshall
C411 Test Method for Hot-Surface Performance of High-
also recommend protective measures to be employed in their
Temperature Thermal Insulation
safeutilization.Thefollowingsafetycaveatappliesonlytothe
C421 Test Method for Tumbling Friability of Preformed
test methods portion of this specification: This standard does
Block-Type Thermal Insulation
not purport to address all of the safety concerns, if any,
C450 PracticeforFabricationofThermalInsulatingFitting
associated with its use. It is the responsibility of the user of this
Covers for NPS Piping, and Vessel Lagging
standard to establish appropriate safety and health practices
C518 Test Method for Steady-State Thermal Transmission
and determine the applicability of regulatory limitations prior
Properties by Means of the Heat Flow Meter Apparatus
to use.
C585 Practice for Inner and Outer Diameters of Rigid
2. Referenced Documents Thermal Insulation for Nominal Sizes of Pipe and Tubing
2
(NPS System)
2.1 ASTM Standards:
C692 Test Method for Evaluating the Influence ofThermal
C165 Test Method for Measuring Compressive Properties
Insulations on External Stress Corrosion Cracking Ten-
of Thermal Insulations
dency of Austenitic Stainless Steel
C168 Terminology Relating to Thermal Insulation
C795 Specification for Thermal Insulation for Use in Con-
C177 Test Method for Steady-State Heat Flux Measure-
tact with Austenitic Stainless Steel
ments and Thermal Transmission Properties by Means of
C 1045 Practice for Calculating Thermal Transmission
the Guarded-Hot-Plate Apparatus
Properties Under Steady-State Conditions
C1058 Practice for Selecting Temperatures for Evaluating
and Reporting Thermal Properties of Thermal Insulation
1
This specification is under the jurisdiction of ASTM Committee C16 on
E84 Test Method for Surface Burning Characteristics of
Thermal Insulation and is the direct responsibility of Subcommittee C16.20 on
Building Materials
Homogeneous Inorganic Thermal Insulations.
Current edition approved April 15, 2007. Published April 2007. Originally
3. Terminology
approved in 1967. Last previous edition approved in 2005 as C610–05.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3.1 General—Terminology C168 shall be considered as
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
applying to the terms used in this specification.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. 3.2 Definitions of Terms Specific to This Standard:
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
C610–07
3.2.1 composition—molded expanded perlite block, fitting, 6. Workmanship, Finish, and Appearance
and pipe thermal insulation shall be composed principally of
6.1 Since some requirements for this material are not easily
expanded perlite and silicate binders. It may also contain
defined by a numerical value, the insulation shall not have
reinforcing fibers.
visible defects that will adversely affect its service qualities
...

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4.1 Inorganic fibrous thermal insulation can contain varying amounts of non-fibrous material. Non-fibrous material does not contribute to the insulating value of the insulation and therefore a procedure for determining that amount is desirable. Several specifications refer to shot content and percent (%) retained on various screen sizes determined by this test method.
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Note 1: Industrial oils such as mineral or synthetic can be used to enhance the hydrophobic qualities and dust suppression.  
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5.1 An inherent characteristic of some alloys of austenitic stainless steel is their tendency to crack at stress points when exposed to certain corrosive environments. The mechanisms of ESCC are complex and not completely understood but are apparently related to certain metallurgical properties. Chloride and fluoride ions have the potential to induce stress corrosion cracking in the absence of inhibiting ions.3  
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1.1 This specification covers the classification and performance of flexible aerogel thermal insulation. This will cover the range of continuous exposure operating temperatures from –321°F (–196°C) up to 1200°F (649°C).  
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This specification covers structural insulating board for general thermal insulating, fire-resistive, and marine bulkhead applications. The structural insulating boards shall be of the following types and grades: Types I and II and Grades 1; 2; 3; 4; 5; 6; 7; and 8. Calcium silicate structural insulating board shall be composed of hydrated calcium silicate with natural or man-made fibers or fillers, or a combination thereof. The following test methods shall be performed: dimensions and density; flexural strength; compressive strength; screw holding strength; apparent thermal conductivity; combustion characteristics; and maximum use temperatures.
SCOPE
1.1 This specification covers structural insulating board for general thermal insulating, fire-resistive, and marine bulkhead applications. The rigid, preformed structural insulating board is for use at temperatures up to 1700°F (927°C). For specific applications, the actual temperature limit shall be agreed upon between the manufacturer and the purchaser.  
1.2 The structural insulating board maintains its structural integrity after immersion in water.  
1.3 Rapid cycling over a wide temperature range is not recommended because of potential damage due to thermal shock.  
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Standard Test Method for Measuring Compressive Properties of Thermal Insulations

SIGNIFICANCE AND USE
4.1 In providing Procedures A and B, it is recognized that different types of thermal insulation will exhibit significantly different behavior under compressive load. Data must usually be obtained from a complete load-deformation curve, and the useful working range normally corresponds to only a portion of the curve. The user is cautioned against use of the product in the range beyond which the product is permanently damaged or properties are adversely affected.  
4.2 Load-deformation curves provide useful data for research and development, quality control, specification acceptance or rejection, and for other special purposes. Standard loading rates shall not be used arbitrarily for all purposes; the effects of impact, creep, fatigue, and repeated cycling must be considered. All load-deformation data shall be reviewed carefully for applicability prior to acceptance for use in engineering designs differing widely in load, load application rate, and material dimensions involved.
SCOPE
1.1 This test method covers two procedures for determining the compressive resistance of thermal insulations.  
1.1.1 Procedure A covers thermal insulations having an approximate straight-line portion of a load-deformation curve, with or without an identifiable yield point as shown in Figs. 1 and 2. Such behavior is typical of most rigid board or block-type insulations.
FIG. 1 Procedure A—Straight Line Portion with Definite Yield Point
FIG. 2 Procedure A—Straight Line Portion but no Definite Yield Point  
1.1.2 Procedure B covers thermal insulations that become increasingly more stiff as load is increased, as shown in Fig. 3. Such behavior is typical of fibrous batt and blanket insulations that have been compressed previously to at least the same deformation by compression packaging or mechanical softening.
FIG. 3 Procedure B—Increasing Stiffness  
1.2 It is recognized that the classification of materials under Procedures A and B shall not hold in all cases. For example, some batt or blanket materials that have not been compression packaged will exhibit behavior more typical of Procedure A for their first loadings. Also, some higher density fibrous insulation boards that have been precompressed will exhibit load-deformation curves more typical of Procedure B. There will also be thermal insulations with load-deformation curves that follow none of the three types shown here; that is, curves with no straight-line portion, curves with compaction areas, and curves that change from negative to positive slope.  
1.3 This test method does not cover reflective or loose fill insulations.  
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1.6 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.

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