ASTM C1328-05
(Specification)Standard Specification for Plastic (Stucco) Cement
Standard Specification for Plastic (Stucco) Cement
ABSTRACT
This specification covers plastic cements for use in Portland cement-based plasters for exterior (stucco) and interior applications. All the materials should be tested and conform to the required values of fineness, autoclave expansion, time of setting, compressive strength, air content of mortar, and water retention. The cement should be stored in a way that permits easy access and inside a suitable weathertight building.
SCOPE
1.1 This specification covers two types of plastic cement for use in portland cement-based plasters for exterior (stucco) and interior application.
1.2 The values stated in SI units are to be regarded as the standard. Values in SI units shall be obtained by measurement in SI units or by appropriate conversion, using the Rules for Conversion and Rounding given in IEEE/ASTM SI 10, of measurements made in other units.
1.3 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 the standard.
1.4 The following safety hazards caveat pertains only to Sections 14 and 15. 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. (Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.)
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Standards Content (Sample)
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Designation: C1328 – 05
Standard Specification for
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Plastic (Stucco) Cement
This standard is issued under the fixed designation C1328; 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 C183 Practice for Sampling and the Amount of Testing of
Hydraulic Cement
1.1 This specification covers two types of plastic cement for
C185 Test Method for Air Content of Hydraulic Cement
use in portland cement-based plasters for exterior (stucco) and
Mortar
interior application.
C187 Test Method for Normal Consistency of Hydraulic
1.2 The values stated in SI units are to be regarded as the
Cement
standard. Values in SI units shall be obtained by measurement
C188 Test Method for Density of Hydraulic Cement
in SI units or by appropriate conversion, using the Rules for
C219 Terminology Relating to Hydraulic Cement
Conversion and Rounding given in IEEE/ASTM SI 10,of
C266 TestMethodforTimeofSettingofHydraulic-Cement
measurements made in other units.
Paste by Gillmore Needles
1.3 The text of this standard refers to notes and footnotes
C305 Practice for Mechanical Mixing of Hydraulic Cement
that provide explanatory material. These notes and footnotes
Pastes and Mortars of Plastic Consistency
(excluding those in tables and figures) shall not be considered
C430 Test Method for Fineness of Hydraulic Cement by the
as requirements of the standard.
45-µm (No. 325) Sieve
1.4 The following safety hazards caveat pertains only to
C511 Specification for Mixing Rooms, Moist Cabinets,
Sections 14 and 15. This standard does not purport to address
Moist Rooms, and Water Storage Tanks Used in the
all of the safety concerns, if any, associated with its use. It is
Testing of Hydraulic Cements and Concretes
the responsibility of the user of this standard to establish
C778 Specification for Standard Sand
appropriate safety and health practices and determine the
C926 Specification for Application of Portland Cement-
applicability of regulatory limitations prior to use.
Based Plaster
(Warning—Fresh hydraulic cementitious mixtures are caustic
C1506 Test Method for Water Retention of Hydraulic
and may cause chemical burns to skin and tissue upon
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Cement-Based Mortars and Plasters
prolonged exposure.)
IEEE/ASTM SI 10 Standard for Use of the International
2. Referenced Documents
System of Units (SI) (the Modernized Metric System)
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2.1 ASTM Standards:
3. Terminology
C109/C109M Test Method for Compressive Strength of
3.1 Definitions—Termsusedinthisspecificationaredefined
Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube
in Terminology C219 and Specification C926.
Specimens)
3.2 Definition of Term Specific to This Standard:
C151 Test Method for Autoclave Expansion of Hydraulic
3.2.1 plastic cement—a hydraulic cement, primarily used in
Cement
portland cement-based plastering construction, consisting of a
mixture of portland or blended hydraulic cement and plasticiz-
ingmaterials(suchaslimestoneorhydratedorhydrauliclime),
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This specification is under the jurisdiction of ASTM Committee C01 on
together with other materials introduced to enhance one or
Cement and is the direct responsibility of Subcommittee C01.11 on Masonry
Cement.
more properties such as setting time, workability, water reten-
Current edition approved Sept. 15, 2005. Published October 2005. Originally
tion, and durability.
approved in 1996. Last previous edition approved in 2003 as C1328 – 03a. DOI:
3.2.1.1 Discussion—The term “plastic” does not refer to the
10.1520/C1328-05.
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inclusion of one or more organic components in the cement.
Annual Book of ASTM Standards, Vol 04.01. See the section on Safety
Precautions in the Manual of Cement Testing.
The cement is predominantly inorganic in chemical composi-
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
tion. The term “plastic” refers to the ability of the cement to
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
impart to the plaster a high degree of workability, and for the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. plaster to remain workable or plastic for a period of time so
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C1328 – 05
that, after initial application and floating on the wall, it can be 11. Density
reworked to obtain both densification and desired texture.
11.1 Determine the density of the plastic cement in accor-
dance with Test Method C188, using kerosine as the liquid.
4. Physical Propert
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