ASTM C881/C881M-20a

Standard Specification for Epoxy-Resin-Base Bonding Systems for Concrete

ABSTRACT
This specification covers two-component, epoxy-resin bonding systems for application to Portland-cement concrete, which are able to cure under humid conditions and bond to damp surfaces. The epoxy-resin bonding systems are classified according to type, grade, class, and color. The bonding systems can be classified as Type I, Type II, Type III, Type IV, Type V, Type VI, and Type VII according to their physical requirements. According to their flow characteristics and viscosity, the bonding systems can be classified as Grade 1, Grade 2, and Grade 3. Also, in accordance with the range of temperatures for which they are suitable, these materials can be designated as Class A, Class B, Class C, Class D, Class E, and Class F. Classes A, B, and C are defined for Types I through V, and Classes D, E, and F are defined for Types VI and VII. Epoxy resin systems are normally unpigmented, but they can be colored or darkened. These bonding systems shall be furnished in two components for combining immediately prior to use in accordance with written instructions formulated Component A shall contain an epoxy resin with or without a reactive diluent. Component B shall contain one or more curing agents, which on mixing with Component A shall cause the mixture to harden. A suitable inert filler may be uniformly incorporated in one or both components. The filler shall be either nonsettling or readily dispersible in any component in which it is incorporated. All systems shall cure under humid conditions, and bond to damp surfaces. Different test methods shall be performed to determine the following properties: consistency, gel time, filler content, epoxy equivalent, viscosity, absorption, bond strength, thermal compatibility, heat deflection temperature, linear coefficient of shrinkage, compressive yield strength and modulus, tensile strength and elongation at break, and contact strength.
SCOPE
1.1 This specification covers two-component, epoxy-resin bonding systems for application to portland-cement concrete, which are able to cure under humid conditions and bond to damp surfaces.  
1.2 This specification does not cover epoxy-resin-base bonding systems that have been modified by addition of components such as cement, fine aggregate, or fiber reinforcement. Additional testing may be required to meet applicable specifications for these applications.  
1.3 This specification does not address the effects of creep on epoxy-resin-base bonding systems while under load or the potential for creep rupture. Additional testing is required for applications where creep and creep rupture are critical.  
1.4 The text of this standard refers to notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of this standard.  
1.5 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.  
1.6 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. For specific hazards statements, see Section 9.  
1.7 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-Sep-2020
• ICS: 91.100.30 - Concrete and concrete products
• Technical Committee: C09 - Concrete and Concrete Aggregates
• Drafting Committee: C09.25 - Organic Materials for Bonding

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: C881/C881M −20a
Standard Specification for
1
Epoxy-Resin-Base Bonding Systems for Concrete
This standard is issued under the fixed designation C881/C881M; 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* 2. Referenced Documents
2
2.1 ASTM Standards:
1.1 This specification covers two-component, epoxy-resin
bonding systems for application to portland-cement concrete, C882/C882M Test Method for Bond Strength of Epoxy-
which are able to cure under humid conditions and bond to Resin Systems Used With Concrete By Slant Shear
damp surfaces. C884/C884M Test Method for Thermal Compatibility Be-
tween Concrete and an Epoxy-Resin Overlay
1.2 This specification does not cover epoxy-resin-base
D570 Test Method for Water Absorption of Plastics
bonding systems that have been modified by addition of
D638 Test Method for Tensile Properties of Plastics
components such as cement, fine aggregate, or fiber reinforce-
D648 Test Method for Deflection Temperature of Plastics
ment. Additional testing may be required to meet applicable
Under Flexural Load in the Edgewise Position
specifications for these applications.
D695 Test Method for Compressive Properties of Rigid
1.3 This specification does not address the effects of creep
Plastics
on epoxy-resin-base bonding systems while under load or the
D2556 Test Method for Apparent Viscosity of Adhesives
potential for creep rupture. Additional testing is required for
Having Shear-Rate-Dependent Flow Properties Using Ro-
applications where creep and creep rupture are critical.
tational Viscometry
D2566 Test Method for Linear Shrinkage of Cured Thermo-
1.4 The text of this standard refers to notes and footnotes
3
setting Casting Resins During Cure (Withdrawn 1993)
that provide explanatory material. These notes and footnotes
(excluding those in tables and figures) shall not be considered
3. Terminology
as requirements of this standard.
3.1 Definitions of Terms Specific to This Standard:
1.5 Units—The values stated in either SI units or inch-
3.1.1 binder, n—the cementitious part of a grout, mortar, or
pound units are to be regarded separately as standard. The
concrete that binds the aggregate or filler into a cohesive mass.
values stated in each system are not necessarily exact equiva-
3.1.2 bonding system, n—the product resulting from the
lents; therefore, to ensure conformance with the standard, each
combination of all the components supplied for use as a
system shall be used independently of the other, and values
bonding material.
from the two systems shall not be combined.
3.1.3 component, n—a constituent that is intended to be
1.6 This standard does not purport to address all of the
combined with one or more other constituents to form a
safety concerns, if any, associated with its use. It is the
bonding system.
responsibility of the user of this standard to establish appro-
3.1.4 contact strength, n—bond strength measured by slant
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use. shear after a specified contact and cure time.
For specific hazards statements, see Section 9.
3.1.5 contact time, n—specified time between when the
1.7 This international standard was developed in accor-
epoxy system is applied and when the two segments are
dance with internationally recognized principles on standard-
bonded together and still achieve a specified bond strength
ization established in the Decision on Principles for the
after a specified curing time and temperature.
Development of International Standards, Guides and Recom-
3.1.6 curing agent, n—a substance that causes the conver-
mendations issued by the World Trade Organization Technical
sion of a fluid resin system to a solid cured resin by means of
Barriers to Trade (TBT) Committee.
a chemical reaction.
1 2
This specification is under the jurisdiction of ASTM Committee C09 on For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Concrete and ConcreteAggregates and is the direct responsibility of Subcommittee contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
C09.25 on Organic Materials for Bonding. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved Oct. 1, 2020. Published October 2020. Originally the ASTM website.
3
approved in 1978. Last previous edition approved in 2020 as C881/C881M – 20. The last approved
...

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: C881/C881M − 20 C881/C881M − 20a
Standard Specification for
1
Epoxy-Resin-Base Bonding Systems for Concrete
This standard is issued under the fixed designation C881/C881M; 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 covers two-component, epoxy-resin bonding systems for application to portland-cement concrete, which are
able to cure under humid conditions and bond to damp surfaces.
1.2 This specification does not cover epoxy-resin-base bonding systems that have been modified by addition of components such
as cement, fine aggregate, or fiber reinforcement. Additional testing may be required to meet applicable specifications for these
applications.
1.3 This specification does not address the effects of creep on epoxy-resin-base bonding systems while under load or the potential
for creep rupture. Additional testing is required for applications where creep and creep rupture are critical.
1.4 The text of this standard refers to notes and footnotes that provide explanatory material. These notes and footnotes (excluding
those in tables and figures) shall not be considered as requirements of this standard.
1.5 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in
each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used
independently of the other, and values from the two systems shall not be combined.
1.6 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. For specific hazards statements, see Section 9.
1.7 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:
C882/C882M Test Method for Bond Strength of Epoxy-Resin Systems Used With Concrete By Slant Shear
C884/C884M Test Method for Thermal Compatibility Between Concrete and an Epoxy-Resin Overlay
D570 Test Method for Water Absorption of Plastics
D638 Test Method for Tensile Properties of Plastics
1
This specification is under the jurisdiction of ASTM Committee C09 on Concrete and Concrete Aggregates and is the direct responsibility of Subcommittee C09.25 on
Organic Materials for Bonding.
Current edition approved June 1, 2020Oct. 1, 2020. Published July 2020October 2020. Originally approved in 1978. Last previous edition approved in 20152020 as
C881/C881M – 15.20. DOI: 10.1520/C0881_C0881M-20.10.1520/C0881_C0881M-20A.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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C881/C881M − 20a
D648 Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position
D695 Test Method for Compressive Properties of Rigid Plastics
D2556 Test Method for Apparent Viscosity of Adhesives Having Shear-Rate-Dependent Flow Properties Using Rotational
Viscometry
3
D2566 Test Method for Linear Shrinkage of Cured Thermosetting Casting Resins During Cure (Withdrawn 1993)
3. Terminology
3.1 Definitions of Terms Specific to This Standard:
3.1.1 binder, n—the cementitious part of a grout, mortar, or concrete that binds the aggregate or filler into a cohesive mass.
3.1.2 bonding system, n—the product resulting from the combination of all the components supplied for use as a bonding material.
3.1.3 component, n—a constituent that is intended to be combined with one or more other constituents to form a bonding system.
3.1.4 contact stre
...