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ASTM C1184-18

(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 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.  
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.  
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
Historical
Publication Date
31-May-2018
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

Replaces
ASTM C1184-14 - Standard Specification for Structural Silicone Sealants
Effective Date
01-Jun-2018
Referred By
ASTM C1021-08(2023) - Standard Practice for Laboratories Engaged in Testing of Building Sealants
Effective Date
01-Jun-2018
Referred By
ASTM C1564-20 - Standard Guide for Use of Silicone Sealants for Protective Glazing Systems
Effective Date
01-Jun-2018
Referred By
ASTM C1193-16(2023) - Standard Guide for Use of Joint Sealants
Effective Date
01-Jun-2018
Referred By
ASTM C1369-19 - Standard Specification for Secondary Edge Sealants for Structurally Glazed Insulating Glass Units
Effective Date
01-Jun-2018
Referred By
ASTM C1401-23 - Standard Guide for Structural Sealant Glazing
Effective Date
01-Jun-2018
Referred By
ASTM C1249-18(2023) - Standard Guide for Secondary Seal for Sealed Insulating Glass Units for Structural Sealant Glazing Applications
Effective Date
01-Jun-2018

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ASTM C1184-18 - Standard Specification for Structural Silicone SealantsASTM C1184-18 - Standard Specification for Structural Silicone Sealants
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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:C1184 −18
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.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope C679Test Method for Tack-Free Time of Elastomeric Seal-
ants
1.1 This specification describes the properties of cold liquid
C717Terminology of Building Seals and Sealants
applied,single-componentormulticomponent,chemicallycur-
C792TestMethodforEffectsofHeatAgingonWeightLoss,
ingelastomericstructuralsiliconesealantshereinreferredtoas
Cracking, and Chalking of Elastomeric Sealants
the sealant. These sealants are intended to structurally adhere
C794TestMethodforAdhesion-in-PeelofElastomericJoint
components of structural sealant glazing systems.
Sealants
1.2 Only those properties for which there are industry-
C1087 Test Method for Determining Compatibility of
agreed-upon minimum acceptable requirements, as determined
Liquid-Applied Sealants with Accessories Used in Struc-
by available ASTM test methods, are described in this speci-
tural Glazing Systems
fication. Additional properties may be added as ASTM test
C1135TestMethodforDeterminingTensileAdhesionProp-
methods for those properties become available.
erties of Structural Sealants
1.3 The values stated in metric (SI) units are to be regarded C1401Guide for Structural Sealant Glazing
C1442Practice for Conducting Tests on Sealants Using
as the standard. The values in parentheses are for information
only. Artificial Weathering Apparatus
G151PracticeforExposingNonmetallicMaterialsinAccel-
1.4 Committee C24, with jurisdiction over this
erated Test Devices that Use Laboratory Light Sources
specification, is aware of two comparable standards by other
G154Practice for Operating Fluorescent Ultraviolet (UV)
organizations: ETAG No. 002 and the Chinese national stan-
Lamp Apparatus for Exposure of Nonmetallic Materials
dard GB16776.
G155Practice for Operating XenonArc LightApparatus for
1.5 This international standard was developed in accor-
Exposure of Non-Metallic Materials
dance with internationally recognized principles on standard-
2.2 European Organization for Technical Approvals Docu-
3
ization established in the Decision on Principles for the
ment:
Development of International Standards, Guides and Recom-
ETAG No. 002Guideline for European Technical Approval
mendations issued by the World Trade Organization Technical
for Structural Sealant Glazing Systems
Barriers to Trade (TBT) Committee. 4
2.3 Chinese National Standard:
GB 16776–1997Structural Silicone Sealants for Building
2. Referenced Documents
2
2.1 ASTM Standards: 3. Terminology
C603Test 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
C639Test Method for Rheological (Flow) Properties of
failure, chemically curing sealant, cohesive failure,
Elastomeric Sealants
compatibility, cure, elastomeric, glazing, hardness, non-sag
C661Test Method for Indentation Hardness of Elastomeric-
sealant, primer, sealant, shelf-life, silicone sealant, structural
Type Sealants by Means of a Durometer
sealant, standard conditions, substrate, and tooling.
4. Significance and Use
1
This specification is under the jurisdiction of ASTM Committee C24 on
BuildingSealsandSealantsandisthedirectresponsibilityofSubcommitteeC24.10
4.1 Not all sealants meeting this specification should be
on Specifications, Guides and Practices.
presumed to be suitable for all applications and all substrates.
CurrenteditionapprovedJune1,2018.PublishedJuly2018.Originallyapproved
This specification assists in selecting sealants that meet certain
in 1991. Last previous edition approved in 2014 as C1184–14. DOI: 10.1520/
C1184-18. minimum standards of performance.
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
3
Standards volume information, refer to the standard’s Document Summary page on Available from www.eota.be
4
the ASTM website. Published May 15, 2005, ImplementedAugust 1, 1997; http://www.sac.gov.cn/
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
C1184−18
TABLE 1 Requirements for Physical, Mechanical, and
4.2 Although this specification qualifies a sealant for use, it
Performance Qualities of the Sealant
does not address the adhesion capability of the sealant for a
Property Requirements Test Method
spe
...

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: C1184 − 14 C1184 − 18
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
1.1 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.
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.
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
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 Nonmetallic Materials
G155 Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic 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 16776–1997 Structural Silicone Sealants for Building
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, 2014June 1, 2018. Published July 2014July 2018. Originally approved in 1991. Last previous edition approved in 20132014 as
C1184 – 13.C1184 – 14. DOI: 10.1520/C1184-14.10.1520/C1184-18.
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.
3
Available from www.eota.be
4
Published May 15, 2005, Implemented August 1, 1997; http://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 − 18
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, shelf-life, silicone sealant, structural sealant, standard conditions, substrate, and tooling.
4. Significance and Use
4.1 Not all sealants meeting this specification should
...

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5.1 This guide is not intended to measure the precise temperature range for dispensing and curing product under all the possible substrate and environmental factors but to provide a basis for benchmarking a foam sealant product under specific laboratory conditions.  
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5.1 It is difficult to establish a precise correlation between laboratory accelerated and natural weathering because of  (1) geographical climatic variations, local weather variation from normal, and local pollutants and (2) the fact that the acceleration factor is material dependent, varying with the type of material as well as its formulation. This test method is used to determine the resistance of a sealant to laboratory accelerated weathering and, if a control material with known outdoor weathering performance is used, the relative weathering performance of the sealant against that of the control material.  
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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.  
1.7 The Committee with jurisdiction for this standard is not aware of any comparable standards published by other organizations.  
1.8 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 e...

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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.

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ASTM
ASTM C782-13(2023)(Test Method)
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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