ASTM C126-99

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Designation: C 126 – 99
Standard Specification for
Ceramic Glazed Structural Clay Facing Tile, Facing Brick,
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and Solid Masonry Units
This standard is issued under the fixed designation C 126; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 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
1.1 This specification covers structural clay load-bearing
standard to establish appropriate safety and health practices
facing tile and facing brick and other “solid masonry units”
and determine the applicability of regulatory limitations prior
made from clay, shale, fire-clay, or mixtures thereof, with or
to use.
without the addition of grog or other mixtures, having a finish
consisting of a ceramic glaze fused to the body at above
2. Referenced Documents
1500°F (655°C) making them inseparable, excluding natural
2.1 ASTM Standards:
salt-glazedware.Twogrades,basedonpermissiblevariationin
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C 43 Terminology of Structural Clay Products
face dimensions, and two types are covered, as follows:
C 67 Test Methods of Sampling and Testing Brick and
1.1.1 Grade S (select), for use with comparatively narrow
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Structural Clay Tile
mortar joints.
E 84 Test Method for Surface Burning Characteristics of
1.1.2 Grade SS (select sized or ground edge), for use where
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Building Materials
variation of face dimension must be very small.
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2.2 National Fire Protection Association Standard:
1.1.3 Type I (single-faced units), for general use where only
NFPA No. 255 Test for Surface Burning Characteristics of
one finished face will be exposed.
Building Materials
1.1.4 Type II (two-faced units), for use where two opposite
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2.3 Underwriters Laboratories, Inc. Standard:
finished faces will be exposed.
UL No. 723 Flammability Studies of Cellular Plastics and
1.2 The property requirements of this specification apply at
other Building Materials used for Interior Finishes
the time of purchase. The use of results from testing of brick
2.4 International Conference of Building Offıcials Stan-
and tile extracted from masonry structures for determining
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dard:
conformance or nonconformance to the property requirements
UBC No. 8-1 Test Method for Fire Hazard Classification of
(Section 5) of this standard is beyond the scope of this
Building Material
specification.
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2.5 Government Standard:
1.3 Brick and tile covered by this specification are manu-
Federal Standard Test No. 141
factured from clay, shale, or similar naturally occurring sub-
stances and subjected to a heat treatment at elevated tempera-
3. Ordering Information
tures (firing). The heat treatment must develop sufficient fired
3.1 Orders for material under this specification shall include
bond between the particulate constituents to provide the
the following information:
strength requirements of this specification. (See firing and fired
3.1.1 Grade—When the grade is not specified, the require-
bond in Terminology C 43.)
ments for Grade S shall govern.
1.4 The text of this standard references notes and footnotes
3.1.2 Type—When the type is not specified, the require-
which provide explanatory material. These notes and footnotes
ments for Type I shall govern.
(excluding those in tables and figures) shall not be considered
as requirements of the standard.
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1.5 The following precautionary caveat pertains only to the Annual Book of ASTM Standards, Vol 04.05.
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Annual Book of ASTM Standards, Vol 04.07.
test portion (Section 16) of this specification. This standard
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Available from the National Fire Protection Association, Batterymarch Park,
Quincy, MA 02269.
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AvailablefromUnderwritersLaboratories,Inc.,333PfingstenRd.,Northbrook,
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This specification is under the jurisdiction of ASTM Committee C-15 on IL 60062.
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Manufactured Masonry Units and is the direct responsibility of Subcommittee Available from the International Conference of Building Officials, 5360 S.
C15.02 on Clay Brick and Structural Clay Tile. Workman Mill Rd., Whittier, CA 90601.
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Current edition approved Oct. 10, 1999. Published December 1999. Originally AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700
published as C 126 – 36. Last previous edition C 126 – 96. Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C 126
NOTE 2—The purchaser or his authorized representative shall be
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