ASTM C647-19
(Guide)Standard Guide to Properties and Tests of Mastics and Coating Finishes for Thermal Insulation
Standard Guide to Properties and Tests of Mastics and Coating Finishes for Thermal Insulation
SIGNIFICANCE AND USE
4.1 Each of the properties listed should be considered in selecting materials for specific projects. A list of the selected properties with limiting values assigned will form a part of the product specification.
4.2 All of the properties are not required, and all of the tests outlined are not required. A condition to any specification must be an evaluation of the proposed use to determine which properties shall be required.
4.3 Membrane reinforcements are frequently specified and used with mastics and coatings. Service properties of such systems of finishes are often different from the unreinforced finishes; therefore, it is essential to test specimens of the reinforced system.
SCOPE
1.1 This guide identifies properties of mastics and coating finishes characterizing their performance as finishes for thermal insulation.
1.2 These properties relate to application and service. Each property is defined, and its significance and suggested test methods are described.
1.3 The properties appear in the following order in this guide.
Paragraph
Application Properties
6
Consistency
6.1
Coverage
6.2
Build
6.3
Wet Flammability
6.4
Toxicity
6.5
Temperature and Humidity Range
6.6
Surface Wetting and Adhesion
6.7
Gap Filling and Bridging
6.8
Sizing and Sealing
6.9
Corrosion or Solvent Attack
6.10
Drying Time and Curing Time
6.11
Shrinkage
6.12
Storage Stability
6.13
Freeze-Thaw Stability
6.14
Service Properties
7
Specimen Preparation
7.1
Outdoor Durability
7.2
Environmental Resistance
7.3
Temperature Limits
7.3.1
Chemicals and Water Resistance
7.3.2
Mold and Mildew Resistance
7.3.3
Surface Flammability
7.4
Water-Vapor Transmission Rate
7.5
Adhesion
7.6
Damage Resistance
7.7
Impact Resistance
7.7.1
Abrasion Resistance
7.7.2
Stress Resistance
7.8
Flexure
7.8.1
Elongation
7.8.2
Color
7.9
Odor
7.10
Other Properties
8
1.4 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.
1.5 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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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.
Designation: C647 − 19
Standard Guide to
Properties and Tests of Mastics and Coating Finishes for
1
Thermal Insulation
This standard is issued under the fixed designation C647; 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
Other Properties 8
1.1 This guide identifies properties of mastics and coating 1.4 The values stated in inch-pound units are to be regarded
as standard. The values given in parentheses are mathematical
finishes characterizing their performance as finishes for ther-
mal insulation. conversions to SI units that are provided for information only
and are not considered standard.
1.2 These properties relate to application and service. Each
1.5 This international standard was developed in accor-
property is defined, and its significance and suggested test
dance with internationally recognized principles on standard-
methods are described.
ization established in the Decision on Principles for the
1.3 The properties appear in the following order in this
Development of International Standards, Guides and Recom-
guide.
mendations issued by the World Trade Organization Technical
Paragraph
Barriers to Trade (TBT) Committee.
Application Properties 6
Consistency 6.1
2. Referenced Documents
Coverage 6.2
Build 6.3
2
2.1 ASTM Standards:
Wet Flammability 6.4
Toxicity 6.5 C168 Terminology Relating to Thermal Insulation
Temperature and Humidity Range 6.6
C419 Practice for Making and Curing Test Specimens of
Surface Wetting and Adhesion 6.7
Mastic Thermal Insulation Coatings
Gap Filling and Bridging 6.8
Sizing and Sealing 6.9
C461 Test Methods for Mastics and Coatings Used With
Corrosion or Solvent Attack 6.10
Thermal Insulation
Drying Time and Curing Time 6.11
C488 Test Method for Conducting Exterior Exposure Tests
Shrinkage 6.12
Storage Stability 6.13
of Finishes for Thermal Insulation
Freeze-Thaw Stability 6.14
C681 Test Method for Volatility of Oil- and Resin-Based,
Service Properties 7
Knife-Grade, Channel Glazing Compounds
Specimen Preparation 7.1
Outdoor Durability 7.2
C755 Practice for Selection of Water Vapor Retarders for
Environmental Resistance 7.3
Thermal Insulation
Temperature Limits 7.3.1
C792 TestMethodforEffectsofHeatAgingonWeightLoss,
Chemicals and Water Resistance 7.3.2
Mold and Mildew Resistance 7.3.3
Cracking, and Chalking of Elastomeric Sealants
Surface Flammability 7.4
D36/D36M Test Method for Softening Point of Bitumen
Water-Vapor Transmission Rate 7.5
(Ring-and-Ball Apparatus)
Adhesion 7.6
Damage Resistance 7.7
D56 Test Method for Flash Point by Tag Closed Cup Tester
Impact Resistance 7.7.1
D92 Test Method for Flash and Fire Points by Cleveland
Abrasion Resistance 7.7.2
Open Cup Tester
Stress Resistance 7.8
Flexure 7.8.1
D93 Test Methods for Flash Point by Pensky-Martens
Elongation 7.8.2
Closed Cup Tester
Color 7.9
D543 Practices for Evaluating the Resistance of Plastics to
Odor 7.10
Chemical Reagents
D562 Test Method for Consistency of Paints Measuring
1
This guide is under the jurisdiction of ASTM Committee C16 on Thermal
Insulation and is the direct responsibility of Subcommittee C16.33 on Insulation
2
Finishes and Moisture. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved March 1, 2019. Published April 2019. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1969. Last previous edition approved in 2013 as C647 – 08 (2013). Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/C0647-19. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C647 − 19
KrebsUnit(KU)ViscosityUsingaStormer-TypeViscom- E162 Test Method for Surface Flammability of Materials
eter Using a Radiant Heat Energy Source
D638 Test Method for Tensile Properties of Plastics E659 Test Method for Autoignition Temperature of Chemi-
D747 Test Method for Apparent Bending Modulus of Plas- cals
3
tics by Means of a Cantilever Beam (Withdrawn 2019) F1249 Test Method for Water Vapor Transmission Rate
D790 Test Methods for Flexural Properties of Unreinforced Through Plastic Film and Sheeting Using a Modulated
and Reinforced Plastics and Electrical Insulating Materi- Infrared Sensor
als G21 Practice for Determining Resistance of Synthetic Poly-
D822/D822M Practice for Filtered Open-Flame C
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: C647 − 08 (Reapproved 2013) C647 − 19
Standard Guide to
Properties and Tests of Mastics and Coating Finishes for
1
Thermal Insulation
This standard is issued under the fixed designation C647; 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 guide identifies properties of mastics and coating finishes characterizing their performance as finishes for thermal
insulation.
1.2 These properties relate to application and service. Each property is defined, and its significance and suggested test methods
are described.
1.3 The properties appear in the following order in this guide.
Paragraph
Application Properties 6
Consistency 6.1
Coverage 6.2
Build 6.3
Wet Flammability 6.4
Toxicity 6.5
Temperature and Humidity Range 6.6
Surface Wetting and Adhesion 6.7
Gap Filling and Bridging 6.8
Sizing and Sealing 6.9
Corrosion or Solvent Attack 6.10
Drying Time and Curing Time 6.11
Shrinkage 6.12
Storage Stability 6.13
Freeze-Thaw Stability 6.14
Service Properties 7
Specimen Preparation 7.1
Outdoor Durability 7.2
Environmental Resistance 7.3
Temperature Limits 7.3.1
Chemicals and Water Resistance 7.3.2
Mold and Mildew Resistance 7.3.3
Surface Flammability 7.4
Water-Vapor Transmission Rate 7.5
Adhesion 7.6
Damage Resistance 7.7
Impact Resistance 7.7.1
Abrasion Resistance 7.7.2
Stress Resistance 7.8
Flexure 7.8.1
Elongation 7.8.2
Color 7.9
Odor 7.10
Other Properties 8
1.4 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.
1.5 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.
1
This guide is under the jurisdiction of ASTM Committee C16 on Thermal Insulation and is the direct responsibility of Subcommittee C16.33 on Insulation Finishes and
Moisture.
Current edition approved Nov. 1, 2013March 1, 2019. Published January 2014April 2019. Originally approved in 1969. Last previous edition approved in 20082013 as
C647 – 08 (2013).). DOI: 10.1520/C0647-08R13.10.1520/C0647-19.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C647 − 19
2. Referenced Documents
2
2.1 ASTM Standards:
C168 Terminology Relating to Thermal Insulation
C419 Practice for Making and Curing Test Specimens of Mastic Thermal Insulation Coatings
C461 Test Methods for Mastics and Coatings Used With Thermal Insulation
C488 Test Method for Conducting Exterior Exposure Tests of Finishes for Thermal Insulation
C639 Test Method for Rheological (Flow) Properties of Elastomeric Sealants
C681 Test Method for Volatility of Oil- and Resin-Based, Knife-Grade, Channel Glazing Compounds
3
C733 Test Method for Volume Shrinkage of Latex Sealants (Withdrawn 2000)
C755 Practice for Selection of Water Vapor Retarders for Thermal Insulation
C792 Test Method for Effects of Heat Aging on Weight Loss, Cracking, and Chalking of Elastomeric Sealants
D36/D36M Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus)
D56 Test Method for Flash Point by Tag Closed Cup Tester
D92 Test Method for Flash and Fire Points by Cleveland Open Cup Tester
D93 Test Methods for Flash Point by Pensky-Martens Closed Cup Tester
3
D529 Practice for Enclosed Carbon-Arc Exposures of Bituminous Materials (Withdrawn 2013)
D543 Practices for Evaluating the Resistance of Plastics to Chemical Reagents
D562 Test Method for Consistency of Paints Measuring Krebs Unit (KU) Viscosity Using a Stormer-Type Viscometer
D638 Test Method for Tensile Properties of Plastics
3
D658 Test Method for Abrasion Resistance of Organic Coatings by Air Blast Abrasive (Withdrawn 1996)
3
D747 Test Method for Apparent Bending Modulus of Plastics by Means of a Cantilever Beam (Withdrawn 2019)
D790 Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
D822/D822M Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint an
...
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