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ASTM C1763-14

(Test Method)

Standard Test Method for Water Absorption by Immersion of Thermal Insulation Materials

Standard Test Method for Water Absorption by Immersion of Thermal Insulation Materials

SIGNIFICANCE AND USE
6.1 This test method provides a means of measuring the water absorption of flat specimens of thermal insulation materials under isothermal conditions as a result of direct immersion in liquid water. It is intended for quality control and product and material specifications.  
6.2 The procedure to be used: A, B, or C as well as any exceptions shall be noted in material specifications citing this test method.  
6.3 Repeatability has been established only for one type and size of material at one immersion duration.
Note 1: Specifications referring to this test method are encouraged to establish repeatability for specific materials, immersion duration, and dimensions for inclusion in this test method.
SCOPE
1.1 This test method determines the amount of water retained (excluding surface water) by flat specimens of thermal insulations after these materials have been fully immersed in liquid water for a prescribed time interval under isothermal conditions. This test method is intended to be used for the characterization of materials in the laboratory. It is not intended to simulate any particular environmental condition potentially encountered in building construction applications.  
1.2 This test method does not address all the possible mechanisms of water intake and retention and related phenomena for thermal insulations. It relates only to those conditions outlined in 1.1. Determination of moisture accumulation in thermal insulations due to partial immersion, water vapor transmission, internal condensation, freeze-thaw cycling, or a combination of these effects requires different test procedures.  
1.3 This test method does not address or attempt to quantify the drainage characteristics of materials.  
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
1.5 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
30-Apr-2014
ICS
91.100.60 - Thermal and sound insulating materials
Technical Committee
C16 - Thermal Insulation
Drafting Committee
C16.33 - Insulation Finishes and Moisture
Current Stage
Ref Project

Relations

Replaced By
ASTM C1763-16 - Standard Test Method for Water Absorption by Immersion of Thermal Insulation Materials
Effective Date
01-Mar-2016
Referred By
ASTM C726-17 - Standard Specification for Mineral Wool Roof Insulation Board
Effective Date
01-May-2014
Referred By
ASTM C534/C534M-23 - Standard Specification for Preformed Flexible Elastomeric Cellular Thermal Insulation in Sheet and Tubular Form
Effective Date
01-May-2014
Referred By
ASTM C209-20 - Standard Test Methods for Cellulosic Fiber Insulating Board
Effective Date
01-May-2014
Referred By
ASTM C610-17(2023) - Standard Specification for Molded Expanded Perlite Block and Pipe Thermal Insulation
Effective Date
01-May-2014
Referred By
ASTM C1126-19 - Standard Specification for Faced or Unfaced Rigid Cellular Phenolic Thermal Insulation
Effective Date
01-May-2014
Referred By
ASTM C1427-21 - Standard Specification for Extruded Preformed Flexible Cellular Polyolefin Thermal Insulation in Sheet and Tubular Form
Effective Date
01-May-2014
Referred By
ASTM C1534-22 - Standard Specification for Flexible Polymeric Foam Sheet Insulation Used as a Thermal and Sound Absorbing Liner for Duct Systems
Effective Date
01-May-2014
Referred By
ASTM C1289-23 - Standard Specification for Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board
Effective Date
01-May-2014
Referred By
ASTM C1728-23 - Standard Specification for Flexible Aerogel Insulation
Effective Date
01-May-2014
Referred By
ASTM C591-22 - Standard Specification for Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation
Effective Date
01-May-2014
Referred By
ASTM C728-17a(2022) - Standard Specification for Perlite Thermal Insulation Board
Effective Date
01-May-2014

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ASTM C1763-14 - Standard Test Method for Water Absorption by Immersion of Thermal Insulation MaterialsASTM C1763-14 - Standard Test Method for Water Absorption by Immersion of Thermal Insulation Materials
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ASTM C1763-14 - Standard Test Method for Water Absorption by Immersion of Thermal Insulation Materials
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Standards Content (Sample)

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: C1763 − 14
StandardTest Method for
Water Absorption by Immersion of Thermal Insulation
1
Materials
This standard is issued under the fixed designation C1763; 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 Procedures A, B, and, C cannot be made. Cracks in the
specimens and rough surfaces can increase the apparent water
1.1 This test method determines the amount of water re-
absorption.
tained (excluding surface water) by flat specimens of thermal
insulations after these materials have been fully immersed in 2.2 Some materials tend to collect water on surfaces or to
liquid water for a prescribed time interval under isothermal trap water in corners and, if not removed, will give incorrect
conditions. This test method is intended to be used for the results.
characterizationofmaterialsinthelaboratory.Itisnotintended
2.3 Materials that change or react with water can have
to simulate any particular environmental condition potentially
increased (or decreased) apparent water absorption and are not
encountered in building construction applications.
suitable for use with this method. 12.5.1 provides a method for
1.2 This test method does not address all the possible ensuring the specimen has not been physically or chemically
mechanisms of water intake and retention and related phenom- altered in a way that would invalidate the measurement. Use
ena for thermal insulations. It relates only to those conditions this method in cases of dispute.
outlined in 1.1. Determination of moisture accumulation in
3. Referenced Documents
thermal insulations due to partial immersion, water vapor
2
transmission, internal condensation, freeze-thaw cycling, or a
3.1 ASTM Standards:
combination of these effects requires different test procedures.
C168 Terminology Relating to Thermal Insulation
C303 Test Method for Dimensions and Density of Pre-
1.3 This test method does not address or attempt to quantify
formed Block and Board–Type Thermal Insulation
the drainage characteristics of materials.
C870 Practice for Conditioning of Thermal Insulating Ma-
1.4 The values stated in either SI units or inch-pound units
terials
are to be regarded separately as standard. The values stated in
C1134 Test Method for Water Retention of Rigid Thermal
each system may not be exact equivalents; therefore, each
Insulations Following Partial Immersion
system shall be used independently of the other. Combining
E177 Practice for Use of the Terms Precision and Bias in
values from the two systems may result in non-conformance
ASTM Test Methods
with the standard.
E691 Practice for Conducting an Interlaboratory Study to
1.5 This standard does not purport to address all of the
Determine the Precision of a Test Method
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
4. Terminology
priate safety and health practices and determine the applica-
4.1 Definitions—Terminology C168 applies to terms used in
bility of regulatory limitations prior to use.
this test method.
2. Material And Specimen Characteristics that can
5. Summary of Test Method
Influence Results
5.1 Test specimens are conditioned and then immersed in
2.1 The apparent water absorption measured by this test
water for a prescribed amount of time. The amount of water
method is dependent on the surface to volume ratio of the
absorbed is determined by the weight increase in the speci-
sample and time of immersion.As such, comparisons between
mens.
1
ThistestmethodisunderthejurisdictionofASTMCommitteeC16onThermal
2
Insulation and is the direct responsibility of Subcommittee C16.33 on Insulation For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Finishes and Moisture. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved May 1, 2014. Published July 2014. DOI: 10.1520/ Standards volume information, refer to the standard’s Document Summary page on
C1763–14. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
C1763 − 14
6. Significance and Use 8.3.1 Test specimens shall be 305 63by305 63mm(12
by 12 in.) with all four edges trimmed square and thickness
6.1 This test method provides a means of measuring the
representative of manufactured product.
water absorption of flat specimens of thermal insulation
8.3.2 One specimen from each of three boards shall be
materials under isothermal conditions as a result of direct
test
...

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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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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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1.5 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 user shall establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.  
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Standard Test Method for Measuring Compressive Properties of Thermal Insulations

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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  
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FIG. 3 Procedure B—Increasing Stiffness  
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