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ASTM C1184-23

(Specification)

Standard Specification for Structural Silicone Sealants

Standard Specification for Structural Silicone Sealants

ABSTRACT
This specification describes the properties of cold liquid applied, single-component or multicomponent, chemically curing elastomeric structural silicone sealants herein referred to as the sealant. These sealants are intended to structurally adhere components of structural sealant glazing systems. Sealants shall be classified as to types and uses: Type S; Type M; Use G; and Use O. The physical, mechanical, and performance properties of the sealant shall conform to the requirements described. The following test methods shall be performed: rheological properties; extrudability; hardness; heat aging; tack-free time; tensile adhesion; and shelf life.
SCOPE
1.1 This specification covers the properties of cold liquid applied, single-component or multicomponent, chemically curing elastomeric structural silicone sealants herein referred to as the sealant. These sealants are intended to structurally adhere components of structural sealant glazing systems.  
1.2 Only those properties for which there are industry-agreed-upon minimum acceptable requirements, as determined by available ASTM test methods, are described in this specification. Additional properties may be added as ASTM test methods for those properties become available.  
1.3 The values stated in metric (SI) units are to be regarded as the standard. The values in parentheses are for information only.  
1.4 Committee C24, with jurisdiction over this specification, is aware of two comparable standards by other organizations: ETAG No. 002 and the Chinese national standard GB16776.
Note 1: ETAG 002 is currently no longer supported.  
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.

General Information

Status
Published
Publication Date
30-Apr-2023
ICS
91.100.50 - Binders. Sealing materials
Technical Committee
C24 - Building Seals and Sealants
Drafting Committee
C24.10 - Specifications, Guides and Practices
Current Stage
Ref Project

Relations

Refers
ASTM C639-15(2020) - Standard Test Method for Rheological (Flow) Properties of Elastomeric Sealants
Effective Date
01-May-2020

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Standards Content (Sample)

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: C1184 − 23
Standard Specification for
1
Structural Silicone Sealants
This standard is issued under the fixed designation C1184; 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 C661 Test Method for Indentation Hardness of Elastomeric-
Type Sealants by Means of a Durometer
1.1 This specification covers the properties of cold liquid
C679 Test Method for Tack-Free Time of Elastomeric Seal-
applied, single-component or multicomponent, chemically cur-
ants
ing elastomeric structural silicone sealants herein referred to as
C717 Terminology of Building Seals and Sealants
the sealant. These sealants are intended to structurally adhere
C792 Test Method for Effects of Heat Aging on Weight Loss,
components of structural sealant glazing systems.
Cracking, and Chalking of Elastomeric Sealants
1.2 Only those properties for which there are industry-
C794 Test Method for Adhesion-in-Peel of Elastomeric Joint
agreed-upon minimum acceptable requirements, as determined
Sealants
by available ASTM test methods, are described in this speci-
C1087 Test Method for Determining Compatibility of
fication. Additional properties may be added as ASTM test
Liquid-Applied Sealants with Accessories Used in Struc-
methods for those properties become available.
tural Glazing Systems
1.3 The values stated in metric (SI) units are to be regarded C1135 Test Method for Determining Tensile Adhesion Prop-
erties of Structural Sealants
as the standard. The values in parentheses are for information
only. C1401 Guide for Structural Sealant Glazing
C1442 Practice for Conducting Tests on Sealants Using
1.4 Committee C24, with jurisdiction over this
Artificial Weathering Apparatus
specification, is aware of two comparable standards by other
G151 Practice for Exposing Nonmetallic Materials in Accel-
organizations: ETAG No. 002 and the Chinese national stan-
erated Test Devices that Use Laboratory Light Sources
dard GB16776.
G154 Practice for Operating Fluorescent Ultraviolet (UV)
NOTE 1—ETAG 002 is currently no longer supported.
Lamp Apparatus for Exposure of Materials
1.5 This international standard was developed in accor- G155 Practice for Operating Xenon Arc Lamp Apparatus for
dance with internationally recognized principles on standard- Exposure of Materials
ization established in the Decision on Principles for the 2.2 European Organization for Technical Approvals Docu-
3
Development of International Standards, Guides and Recom- ment:
mendations issued by the World Trade Organization Technical ETAG No. 002 Guideline for European Technical Approval
Barriers to Trade (TBT) Committee. for Structural Sealant Glazing Systems
4
2.3 Chinese National Standard:
2. Referenced Documents
GB 16776–2005 Structural silicon sealants for building
2
2.1 ASTM Standards:
3. Terminology
C603 Test Method for Extrusion Rate and Application Life
3.1 Definitions—Refer to Terminology C717 for definitions
of Elastomeric Sealants
of the following terms used in this specification: adhesive
C639 Test Method for Rheological (Flow) Properties of
failure, chemically curing sealant, cohesive failure,
Elastomeric Sealants
compatibility, cure, elastomeric, glazing, hardness, non-sag
sealant, primer, sealant, shelf-life, silicone sealant, structural
sealant, standard conditions, substrate, and tooling.
1
This specification is under the jurisdiction of ASTM Committee C24 on
Building Seals and Sealants and is the direct responsibility of Subcommittee C24.10
4. Significance and Use
on Specifications, Guides and Practices.
Current edition approved May 1, 2023. Published June 2023. Originally
4.1 Not all sealants meeting this specification should be
ε1
approved in 1991. Last previous edition approved in 2018 as C1184 – 18 . DOI:
presumed to be suitable for all applications and all substrates.
10.1520/C1184-23.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Available from https://www.eota.eu/etags-archive.
4
Standards volume information, refer to the standard’s Document Summary page on Published May 15, 2005, Implemented August 1, 1997; https://
the ASTM website. www.sac.gov.cn/.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
C1184 − 23
TABLE 1 Requirements for Physical, Mechanical, and
This
...

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.
´1
Designation: C1184 − 18 C1184 − 23
Standard Specification for
1
Structural Silicone Sealants
This standard is issued under the fixed designation C1184; 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
ε NOTE—In Table 1, the reference to Shelf Life was deleted editorially in August 2018.
1. Scope
1.1 This specification describescovers the properties of cold liquid applied, single-component or multicomponent, chemically
curing elastomeric structural silicone sealants herein referred to as the sealant. These sealants are intended to structurally adhere
components of structural sealant glazing systems.
1.2 Only those properties for which there are industry-agreed-upon minimum acceptable requirements, as determined by available
ASTM test methods, are described in this specification. Additional properties may be added as ASTM test methods for those
properties become available.
1.3 The values stated in metric (SI) units are to be regarded as the standard. The values in parentheses are for information only.
1.4 Committee C24, with jurisdiction over this specification, is aware of two comparable standards by other organizations: ETAG
No. 002 and the Chinese national standard GB16776.
NOTE 1—ETAG 002 is currently no longer supported.
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.
2. Referenced Documents
2
2.1 ASTM Standards:
C603 Test Method for Extrusion Rate and Application Life of Elastomeric Sealants
C639 Test Method for Rheological (Flow) Properties of Elastomeric Sealants
C661 Test Method for Indentation Hardness of Elastomeric-Type Sealants by Means of a Durometer
C679 Test Method for Tack-Free Time of Elastomeric Sealants
C717 Terminology of Building Seals and Sealants
C792 Test Method for Effects of Heat Aging on Weight Loss, Cracking, and Chalking of Elastomeric Sealants
C794 Test Method for Adhesion-in-Peel of Elastomeric Joint Sealants
1
This specification is under the jurisdiction of ASTM Committee C24 on Building Seals and Sealants and is the direct responsibility of Subcommittee C24.10 on
Specifications, Guides and Practices.
Current edition approved June 1, 2018May 1, 2023. Published July 2018June 2023. Originally approved in 1991. Last previous edition approved in 20142018 as
ε1
C1184 – 14.C1184 – 18 . DOI: 10.1520/C1184-18E01.10.1520/C1184-23.
2
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
1

---------------------- Page: 1 ----------------------
C1184 − 23
C1087 Test Method for Determining Compatibility of Liquid-Applied Sealants with Accessories Used in Structural Glazing
Systems
C1135 Test Method for Determining Tensile Adhesion Properties of Structural Sealants
C1401 Guide for Structural Sealant Glazing
C1442 Practice for Conducting Tests on Sealants Using Artificial Weathering Apparatus
G151 Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources
G154 Practice for Operating Fluorescent Ultraviolet (UV) Lamp Apparatus for Exposure of Materials
G155 Practice for Operating Xenon Arc Lamp Apparatus for Exposure of Materials
3
2.2 European Organization for Technical Approvals Document:
ETAG No. 002 Guideline for European Technical Approval for Structural Sealant Glazing Systems
4
2.3 Chinese National Standard:
GB 16776–199716776–2005 Structural Silicone Sealants for Buildingsilicon sealants for building
3. Terminology
3.1 Definitions—Refer to Terminology C717 for definitions of the following terms used in this specification: adhesive failure,
chemically curing sealant, cohesive failure, compatibility, cure, elastomeric, glazing, hardness, non-sag sealant, primer, sealant,
shelf-life, silicone sealant, structural sealant, standard conditions, substrate, and tooling.
4. Significance and Use
4.1
...

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5.1 The old saying “A chain is only as strong as its weakest link” is very applicable to a SSG system. In reality, a SSG system, to be successful, must establish and maintain a chain of adhesion. For example, a factory applied finish must adhere adequately to a metal framing member, a structural glazing sealant to that metal finish, that structural glazing sealant to a reflective coating on a glass lite, and lastly, that reflective coating to a glass surface. This guide will assist in the identification and development of, among others, performance criteria, test methods, and industry practices that should be implemented to obtain the required structural glazing sealant adhesion and compatibility with other system components.  
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1.5 This guide also does not provide information relative to the numerous types of sealant that are available nor specific generic sealant properties, such as hardness, tack-free time, or curing process, among others.  
1.6 The values stated in SI units are to be regarded as the standard. The values given in parenthesis are provided for information only.  
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Standard Test Method for Softness of Preformed Tape Sealants

SIGNIFICANCE AND USE
5.1 Preformed tape sealants are tacky, deformable solids that are used under compression between two substrates in a variety of sealing applications. This procedure measures the softness of a preformed tape sealant and gives an indication of the preformed tape sealant's ease of compression during installation. The resistance to penetration may also give an indication of the toughness of the preformed tape sealant.
SCOPE
1.1 This test method describes a laboratory procedure for determining the softness of preformed tape sealants.  
Note 1: Cone penetration methods applicable to greases and to petrolatum are described in Test Methods D217 and D937. Test Method D2451 also uses a penetration technique for determining the degree of set in sash glazing compounds.  
1.2 The values stated in SI units are to be regarded as standard. Temperature values are also provided (in parentheses) in degrees Fahrenheit.  
1.3 The subcommittee with jurisdiction is not aware of any similar ISO standard.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
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 C793-23(Test Method)
Standard Test Method for Effects of Laboratory Accelerated Weathering on Elastomeric Joint Sealants

SIGNIFICANCE AND USE
5.1 It is known that solar radiation contributes to the degradation of sealants in exterior building joints. The use of a laboratory accelerated weathering machine with actinic radiation, moisture and heat appears to be a feasible means to give indications of early degradation by the appearance of sealant cracking. However, simulated weather factors in combination with extension may produce more severe degradation than weather factors only. Therefore, the effect of the weathering test is made more sensitive by the addition of the bending of the specimen at cold temperature.
SCOPE
1.1 This test method covers a laboratory procedure for determining the effects of accelerated weathering on cured-in-place elastomeric joint sealants (single- and multicomponent) for use in building construction.  
1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.  
1.3 The committee with jurisdiction over this standard is not aware of any comparable standards published by other ASTM committees or other organizations.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
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.

  • Standard
    4 pages
    English language
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  • Standard
    4 pages
    English language
    sale 15% off