ASTM C932-98a

Standard Specification for Surface-Applied Bonding Agents for Exterior Plastering

SCOPE
1.1 This specification establishes minimum standards for exterior surface-applied bonding agents for improving the adhesion of cementitious material to concrete or other masonry surface or any structurally sound surface. Included are specification limits and test methods.

General Information

• Status: Historical
• Publication Date: 09-Oct-1998
• ICS: 91.100.10 - Cement. Gypsum. Lime. Mortar
• Technical Committee: C11 - Gypsum and Related Building Materials and Systems
• Drafting Committee: C11.02 - Specifications and Test Methods for Accessories and Related Products

Relations

• Replaced By: ASTM C932-03 - Standard Specification for Surface-Applied Bonding Compounds for Exterior Plastering
• Effective Date: 10-Jun-2003

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: C 932 – 98a
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
Surface-Applied Bonding Compounds for Exterior
1
Plastering
This standard is issued under the fixed designation C 932; 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 * 4. Physical Properties
1.1 This specification covers minimum requirements for 4.1 Surface Applied Bonding Compound—A freeze-thaw
exterior surface-applied bonding compounds for improving the stable composition, suitable for brush, roller, or spray applica-
adhesion of cementitious material to concrete or other masonry tion. It shall be tinted to show by visual inspection where it has
surfaces or any structurally sound surfaces. been applied. The tint shall not bleed through the material
1.2 This specification also covers test methods for determin- being bonded.
ing performance requirements and physical properties. 4.2 Consistency—The bonding compound shall be free of
1.3 The values stated in inch-pound units are to be regarded foreign matter as determined by visual inspection and shall be
as the standard. The SI metric values given in parentheses are of such uniform consistency that when applied in accordance
approximate and are provided for information purposes only. with the producers directions by brush, roller, or spray to
1.4 The following safety hazards caveat pertains only to the concrete, masonry, or other structurally sound surface, the
test methods described in Sections 9, 10, 11, and 12 in this bonding compound shall flow on evenly and dry uniformly.
specification: This standard does not purport to address all of 4.3 Film Characteristics—The film-forming property shall
the safety concerns, if any, associated with its use. It is the be determined by visual inspection to determine the presence
responsibility of the user of this standard to establish appro- of a continuous film not broken by fisheyes, cracking, pull-
priate safety and health practices and determine the applica- back, or any other discontinuity in the film surface. It shall not
bility of regulatory limitations prior to use. be noticeably affected by alkaline surfaces or weak acids.
2. Referenced Documents 5. Performance Requirements
2.1 ASTM Standards: 5.1 Bonding Capability—The bonding compound shall be
C 11 Terminology Relating to Gypsum and Related Build- capable of bonding cementitious materials when applied in
2
ing Materials and Systems accordance with the producer’s directions and tested as speci-
C 109/C 109M Test Method for Compressive Strength of fied in Section 12.
Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube 5.2 Degradation—Bonding compound which separates
2
Specimens shall be able to be re-mixed to a uniform consistency when
2
C 150 Specification for Portland Cement tested as specified in Section 10.
C 305 Practice for Mechanical Mixing of Hydraulic Cement 5.3 High Temperature Test—The bond strength shall be not
2
Pastes and Mortars of Plastic Consistency less than 150 psi (1034 kPa) when tested as specified in Section
C 511 Specification for Moist Cabinets, Moist Rooms, and 9.
Water Storage Tanks Used in the Testing of Hydraulic 5.4 Freeze-Thaw Stability—The bond strength shall be not
2
Cements and Concretes less than 150 psi (1034 kPa) when tested as specified in Section
2
C 778 Specification for Standard Sand 11.
5.5 Tensile Bond Strength—Bond strength of a fresh sample
3. Terminology
or a 6-month old sample of bonding compound shall have an
3.1 Definitions used in this specification shall be in accor-
average tensile strength of not less than 150 psi (1034 kPa)
dance with Terminology C 11. when tested as specified in Section 12.
6. Sampling
1
This specification is under the jurisdiction of ASTM Committee C-11 on
6.1 Take a sample of not less than 2.2 lb (1000 g) from each
Gypsum and Related Building Materials and Systems and is the direct responsibility
of Subcommittee C11.02 on Specifications and Test Methods for Accessories and
shipment or consignment for analysis and tests. Except in
Related Products.
special cases, take the sample from not less than three separate
Current edition approved Oct. 10, 1998. Published March 1999. Originally
containers, chosen at random. In addition, take samples from
published as C 932 – 80. Last previous edition C 932 – 98.
2
Annual Book of ASTM Standards, Vol 04.01.
*A Summary of Changes section appears at the end of this st
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