ASTM C1666/C1666M-08
(Specification)Standard Specification for Alkali Resistant (AR) Glass Fiber for GFRC and Fiber-Reinforced Concrete and Cement
Standard Specification for Alkali Resistant (AR) Glass Fiber for GFRC and Fiber-Reinforced Concrete and Cement
SCOPE
1.1 This specification covers minimum requirements for alkali resistant (AR) glass fibers intended for use in glass fiber-reinforced concrete (GFRC) by spray-up, glass fiber-reinforced concrete premix, fiber-reinforced concrete, and other cementitious based products.
1.2 This specification provides for AR glass fiber types and configurations that can be readily incorporated into concrete mixes, typical physical properties, minimum zirconia content, and prescribes testing procedures to establish conformance to these requirements.
1.3 This specification does not address the types of coatings or lubricants used in the manufacturing process of the fibers.
1.4 In the case of conflict between a more stringent requirement of a product specification and a requirement of this specification, the product specification shall prevail. In the case of a conflict between a requirement of the product specification or a requirement of this specification and a more stringent requirement of the purchase order, the purchase order shall prevail. The purchase order requirements shall not take precedence if they, in any way, violate the requirements of the product specification or this specification; for example, by the waiving of a test requirement or by making a test requirement less stringent.
1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the inch-pound units are shown in brackets. 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.
1.6 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 and health practices and determine the applicability of regulatory limitations prior to use.
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Designation:C1666/C1666M −08
StandardSpecification for
Alkali Resistant (AR) Glass Fiber for GFRC and Fiber-
1
Reinforced Concrete and Cement
This standard is issued under the fixed designation C1666/C1666M; 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 priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
1.1 This specification covers minimum requirements for
alkali resistant (AR) glass fibers intended for use in glass
2. Referenced Documents
fiber-reinforced concrete (GFRC) by spray-up, glass fiber-
2
2.1 ASTM Standards:
reinforced concrete premix, fiber-reinforced concrete, and
D578 Specification for Glass Fiber Strands
other cementitious based products.
D1577 Test Methods for Linear Density of Textile Fibers
1.2 This specification provides forAR glass fiber types and
D2256 Test Method for Tensile Properties of Yarns by the
configurations that can be readily incorporated into concrete
Single-Strand Method
mixes, typical physical properties, minimum zirconia content,
D3800 Test Method for Density of High-Modulus Fibers
and prescribes testing procedures to establish conformance to
D4963 Test Method for Ignition Loss of Glass Strands and
these requirements.
Fabrics
1.3 This specification does not address the types of coatings 3
2.2 ISO Standards:
or lubricants used in the manufacturing process of the fibers.
ISO 1887 Textile Glass—Determination of Combustible-
1.4 In the case of conflict between a more stringent require- Matter Content
ment of a product specification and a requirement of this ISO 1888 Textile Glass—Staple Fibres or Filaments—
specification,theproductspecificationshallprevail.Inthecase Determination of Average Diameter
ofaconflictbetweenarequirementoftheproductspecification ISO 1889 Reinforcement Yarns—Determination of Linear
or a requirement of this specification and a more stringent Density
requirement of the purchase order, the purchase order shall ISO 3341 Textile Glass Yarns—Determination of Breaking
prevail. The purchase order requirements shall not take prece- Force and Breaking Elongation
4
dence if they, in any way, violate the requirements of the
2.3 EN Standards:
product specification or this specification; for example, by the
EN 14649 Precast Concrete Products—Test Method for
waiving of a test requirement or by making a test requirement
StrengthRetentionofGlassFibreinCementandConcrete
less stringent. 5
2.4 Japanese Industrial Standards:
1.5 The values stated in either SI units or inch-pound units
JISR 3420 Testing Methods of Textile Glass Products
are to be regarded separately as standard. Within the text, the
3. Terminology
inch-pound units are shown in brackets. The values stated in
each system may not be exact equivalents; therefore, each
3.1 Definitions of Terms Specific to This Standard:
system shall be used independently of the other. Combining
3.1.1 alkali resistant (AR) glass fiber, n— a glass fiber
values from the two systems may result in non-conformance
product that is resistant to the alkaline conditions that exist in
with the standard.
matrices such as those based on Portland cement, and that are
1.6 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
responsibility of the user of this standard to establish appro-
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.
1 3
ThisspecificationisunderthejurisdictionofASTMCommitteeC27onPrecast Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
Concrete Products and is the direct responsibility of Subcommittee C27.40 on Glass 4th Floor, New York, NY 10036, http://www.ansi.org.
4
Fiber Reinforced Concrete. Available from European Committee for Standardization (CEN), 36 rue de
Current edition approved May 1, 2008. Published May 2008. Originally Stassart, B-1050, Brussels, Belgium, http://www.cenorm.be.
5
approved in 2007. Last previous edition approved in 2007 as C1666/C1666M – 07. Available from Japanese Standards Organization (JSA), 4-1-24 Akasaka
DOI: 10.1520/C1666_C1666M-08. Minato-Ku, Tokyo, 107-8440, Japan, http://www.jsa.or.ja.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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C1666/C1666M−08
used for the reinforcement of cement, mortar, and concrete 5.1.4 Manufacturer’s prod
...
This document is not anASTM standard and is intended only to provide the user of anASTM 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:C1666/C1666M–07 Designation: C 1666/C 1666M – 08
Standard Specification for
Alkali Resistant (AR) Glass Fiber for GFRC and Fiber-
1
Reinforced Concrete and Cement
This standard is issued under the fixed designation C 1666/C 1666M; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This specification covers minimum requirements for alkali resistant (AR) glass fibers intended for use in glass
fiber-reinforced concrete (GFRC) by spray-up, glass fiber-reinforced concrete premix, fiber-reinforced concrete, and other
cementitious based products.
1.2 This specification provides forAR glass fiber types and configurations that can be readily incorporated into concrete mixes,
typical physical properties, minimum zirconia content, and prescribes testing procedures to establish conformance to these
requirements.
1.3 This specification does not address the types of coatings or lubricants used in the manufacturing process of the fibers.
1.4 In the case of conflict between a more stringent requirement of a product specification and a requirement of this
specification, the product specification shall prevail. In the case of a conflict between a requirement of the product specification
or a requirement of this specification and a more stringent requirement of the purchase order, the purchase order shall prevail. The
purchase order requirements shall not take precedence if they, in any way, violate the requirements of the product specification or
this specification; for example, by the waiving of a test requirement or by making a test requirement less stringent.
1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the
inch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshall
be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
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 and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
D 578 Specification for Glass Fiber Strands
D 1577 Test Methods for Linear Density of Textile Fibers
D 2256 Test Method for Tensile Properties of Yarns by the Single-Strand Method
D 3800 Test Method for Density of High-Modulus Fibers
D 4963 Test Method for Ignition Loss of Glass Strands and Fabrics
3
2.2 ISO Standards:
ISO 1887 Textile Glass—Determination of Combustible- Matter Content
ISO 1888 Textile Glass—Staple Fibres or Filaments—Determination of Average Diameter
ISO 1889 Reinforcement Yarns—Determination of Linear Density
ISO 3341 Textile Glass Yarns—Determination of Breaking Force and Breaking Elongation
4
2.3 EN Standards:
EN 14649 Precast Concrete Products—Test Method for Strength Retention of Glass Fibre in Cement and Concrete
1
ThisspecificationisunderthejurisdictionofASTMCommitteeC27onPrecastConcreteProductsandisthedirectresponsibilityofSubcommitteeC27.40onGlassFiber
Reinforced Concrete Made by the Spray-Up Process.
Current edition approved March 1, 2007. Published March 2007.
1
ThisspecificationisunderthejurisdictionofASTMCommitteeC27onPrecastConcreteProductsandisthedirectresponsibilityofSubcommitteeC27.40onGlassFiber
Reinforced Concrete.
Current edition approved May 1, 2008. Published May 2008. Originally approved in 2007. Last previous edition approved in 2007 as C 1666/C 1666M – 07.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM 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 American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
4
Available from European Committee for Standardization (CEN), 36 rue de Stassart, B-1050, Brussels, Belgium, http://www.cenorm.be.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
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C 1666/C 1666M – 08
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2.4 Japanese Indust
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