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ASTM C1631-05

(Specification)

Standard Specification for Cellular Polypropylene Thermal Insulation

Standard Specification for Cellular Polypropylene Thermal Insulation

SCOPE
1.1 This specification covers the types, physical properties, and dimensions of cellular polypropylene intended for use as thermal insulation for temperatures from - 150 to + 240°F (-101 to + 116°C).
1.2 The use of thermal insulation materials covered by this specification is regulated by codes and standards that address fire performance.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information only.
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 appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
31-Oct-2005
ICS
27.220 - Heat recovery. Thermal insulation
Technical Committee
C16 - Thermal Insulation
Drafting Committee
C16.22 - Organic and Nonhomogeneous Inorganic Thermal Insulations
Current Stage
Ref Project

Relations

Replaced By
ASTM C1631-08 - Standard Specification for Cellular Polypropylene Thermal Insulation
Effective Date
01-Apr-2008
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
01-Nov-2005

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ASTM C1631-05 - Standard Specification for Cellular Polypropylene Thermal InsulationASTM C1631-05 - Standard Specification for Cellular Polypropylene Thermal Insulation
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ASTM C1631-05 - Standard Specification for Cellular Polypropylene 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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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 1631 – 05
Standard Specification for
Cellular Polypropylene Thermal Insulation
This standard is issued under the fixed designation C 1631; 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.
1. Scope C 1045 Practice for Calculating Thermal Transmission
Properties Under Steady-State Conditions
1.1 This specification covers the types, physical properties,
C 1058 Practice for Selecting Temperatures for Evaluating
and dimensions of cellular polypropylene intended for use as
and Reporting Thermal Properties of Thermal Insulation
thermal insulation for temperatures from - 150 to + 240°F
C 1114 TestMethodforSteady-StateThermalTransmission
(-101 to + 116°C).
Properties by Means of the Thin-Heater Apparatus
1.2 The use of thermal insulation materials covered by this
C 1363 Test Method for Thermal Performance of Building
specification is regulated by codes and standards that address
Materials and Envelope Assemblies by Means of a Hot
fire performance.
Box Apparatus
1.3 The values stated in inch-pound units are to be regarded
D 1600 Terminology for Abbreviated Terms Relating to
as the standard. The values given in parentheses are provided
Plastics
for information only.
D 2126 TestMethodforResponseofRigidCellularPlastics
1.4 This standard does not purport to address all of the
to Thermal and Humid Aging
safety concerns, if any, associated with its use. It is the
D 3575 Test Methods for Flexible Cellular Materials Made
responsibility of the user of this standard to establish appro-
from Olefin Polymers
priate safety and health practices and determine the applica-
D 1622 Test Method forApparent Density of Rigid Cellular
bility of regulatory limitations prior to use.
Plastics
2. Referenced Documents E84 Test Method for Surface Burning Characteristics of
Building Materials
2.1 ASTM Standards:
E96 Test Methods for Water Vapor Transmission of Mate-
C 165 Test Method for Measuring Compressive Properties
rials
of Thermal Insulations
E 176 Terminology of Fire Standards
C 168 Terminology Relating to Thermal Insulation
C 177 Test Method for Steady-State Heat Flux Measure-
3. Terminology
ments and Thermal Transmission Properties by Means of
3.1 Definitions:
the Guarded-Hot-Plate Apparatus
3.1.1 Terms used in this specification are defined in Termi-
C 272 Test Method for WaterAbsorption of Core Materials
nology C 168.
for Structural Sandwich Constructions
3.1.2 Terms used in this specification that relate to fire
C 303 Test Method for Dimensions and Density of Pre-
standards are defined in Terminology E 176.
formed Block-Type Thermal Insulation
3.2 Definitions of Terms Specific to This Standard:
C 390 Practice for Sampling and Acceptance of Preformed
3.2.1 XPP—letter designations for the extruded cellular
Thermal Insulation Lots
polypropylene thermal insulation classified by this specifica-
C 518 Test Method for Steady-State Thermal Transmission
tion that identifies the product as extruded cellular polypropy-
Properties by Means of the Heat Flow Meter Apparatus
lene.
C 870 Practice for Conditioning of Thermal Insulating Ma-
3.2.2 PP—used in this specification to represent polypropy-
terials
lene in accordance with Terminology D 1600.
1 4. Classification
This specification is under the jurisdiction of ASTM Committee C16 on
Thermal Insulation and is the direct responsibility of Subcommittee C 16.22 on
4.1 This specification covers types of XPP thermal insula-
Organic and Nonhomogeneous Inorganic Thermal Insulations.
tions currently commercially available as described by the
Current edition approved Nov. 1, 2005. Published December 2005.
physical property requirements in Table 1.
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.
C1631–05
TABLE 1 Physical Property Requirements of XPP Thermal Insulation
Property Unit Result
3 3
Density, min. lb/ft (kg/m ) 0.90 (15)
Thermal resistance of 1.00-in. (25.4-mm) thickness, R-Value, min. at mean
temperature:
2 2
75°F 6 2°F (246 1°C) F·ft ·h/Btu (K·m /W) 3.6 (0.63)
Thermal conductivity of 1.00-in. (25.4mm) thickness, k-factor, max. at mean
temperature:
75°F 6 2°F (246 1°C) Btu /F·ft ·h (W/ K-m) 0.28 (0.040)
Compressive resistance at yield or 10 % deformation, whichever occurs first
(extrusion direction), min. psi (kPa) 6 (41.4)
Water vapor permeance of 1.00-in. (25.4-mm) thickness, max perm (ng/Pa·s·m ) 2 (115)
Water absorption by total immersion, max Volume % 1.0
Dimensional stability (change in dimensions), max % change 3.0
5. Ordering Information 7.1.1 The physical requirements listed in this section are
defined as inspection requirements (refer to Practice C 390).
5.1 Acquisition documents shall specify the following:
7.1.2 All dimensional requirements are described in Section
5.1.1 Title, number, and year of this specification,
8.
5.1.2 Type (see Table 1),
7.1.3 Allworkmanship,finish,andappearancerequirements
5.1.3 R-value or profile / thickness required (see Tables 1
are described in Section 9.
and 2),
7.1.4 Density shall be in accordance with Table 1.
5.1.3.1 Thermal Resistance/Thickness Relationship—The
thermal resistance (R-value) and the thermal resistivity
NOTE 2—Forlotsof150unitsorless,thetightenedinspectionsampling
(Rvalue/ inch) of XPP thermal insulation varies with profile /
plan in Practice C 390 will be followed.
thickness.Therefore, when ordering, specify the R-value or the
7.2 Qualification Requirements:
profile / thickness, or both. For additional information, seeTest
7.2.1 The physical properties listed in this section of the
Methods C 177, C 518, C 1114, C 1363 or Practice C 1045.
specification are defined as qualification requirements (refer to
5.1.4 Density, if other than specified in Table 1,
Practice C 390). Thermal resistance, compressive resistance,
5.1.5 Tolerance, if other than specified,
water vapor permeance, water absorption, and dimensional
5.1.6 Length and width required (see Table 2),
stability, shall be in accordance with Table 1.
5.1.7 Edges, if other than straight edges are required,
7.2.2 The mean thermal resistance of the material tested
5.1.8 Profiled/Tapered Insulation—special ordering infor-
shall not be less than the minimum value identified in Table 1.
mation. In addition to other applicable requirements in Section
The thermal resistances of individual specimens tested shall
5 (Note 1), acquisition documents for profiled/tapered XPP
not be less than 90 % of the minimum value identified inTable
thermal insulation shall specify the following:
1.
5.1.8.1 Shop Drawings—When ordering a specific profile
7.2.3 Compliance with qualification requirements shall be
shaped foam, the initial engineer design drawings shall be
in accordance with Practice C 390.
provided.
5.1.9 Sampling, if different (see 10.1),
7.3 Table 1 describes types of XPP thermal insulation.
5.1.10 If a certificate of compliance is required (see 14.1), However, it does not cover all available products on the
and
market.The values stated inTable 1 shall not be used as design
5.1.11 If marking is other than specified (see 15.1). valu
...

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1.5 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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ASTM
ASTM C302-13(2022)(Test Method)
Standard Test Method for Density and Dimensions of Preformed Pipe-Covering-Type Thermal Insulation

SIGNIFICANCE AND USE
5.1 Density measurements of preformed pipe insulation are useful in determining compliance of a product with specification limits and in providing a relative gage of product weights. For any one kind of insulation some important physical and mechanical properties, such as thermal conductivity, heat capacity, strength, etc., bear a specific relationship with its density; however, on a density basis, these properties are not directly comparable with those for other kinds of material.  
5.2 The physical dimensions of preformed pipe insulation are important quantities not only for determining the density of the pipe insulation but also for determining the conformance to specifications. The use of multilayer insulations is common, and the dimensions are necessary to ensure proper nesting of the layers.
SCOPE
1.1 This test method covers the determination of the dimensions and density, after conditioning, of preformed pipe insulation.  
1.1.1 Procedure A is applicable to sections of one-piece pipe covering or to sections of segmental pipe covering that can be joined together concentrically and measured as one-piece.  
1.1.2 Procedure B is applicable to segmental pipe covering where each section of material is measured.  
1.1.3 Procedure C is applicable to sections of one-piece pipe covering, such as soft foam or mineral wool materials, where it is possible to penetrate the material.  
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.  
1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 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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