ASTM D1187-97

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Designation: D 1187 – 97
Standard Specification for
Asphalt-Base Emulsions for Use as Protective Coatings for
Metal
This standard is issued under the fixed designation D 1187; 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.
TABLE 1 Composition Requirements
1. Scope
Type I Type II
1.1 This specification covers emulsified asphalt suitable for
Density, min, lb/gal U.S. (g/L) 8.4 (1010) 8.3 (990)
application in a relatively thick film as a protective coating for
Residue by evaporation, mass % 52.5 6 2.5 62.5 6 2.5
metal surfaces.
Nonvolatile matter soluble in trichloroethylene, 85 94
1.2 The values stated in inch-pound units are to be regarded
min, mass %
Ash content, max, mass % 14.5 3.8
as the standard.
Water content mass % 47.5 6 2.5 37.5 6 2.5
2. Referenced Documents
2.1 ASTM Standards:
C 150 Specification for Portland Cement
2 2
ortrowelattherateof2.5galU.S./100ft (1.0L/m )tovertical
D 2939 Test Methods for Emulsified Bitumens Used as
metalsurfacesatambienttemperaturesabove50°F(10°C).See
Protective Coatings
Section 17 of Test Methods D 2939.
6.3 Stability—There shall be no coagulation during the
3. Classification
cement addition or at the conclusion of the 1-min mixing
3.1 Type I—Quick-setting emulsified asphalt suitable for
period.
continuous exposure to water within a few days after applica-
6.4 The emulsion shall conform to the additional require-
tion and drying.
ments prescribed in Table 2.
3.2 Type II—Emulsified asphalt suitable for continuous
exposure to the weather, only, after application and drying.
7. Sampling and Test Methods
7.1 Sample the material, and determine the properties enu-
4. Materials and Manufacture
merated in this specification in accordance with Test Methods
4.1 Emulsified asphalt used as a protective coating for metal
D 2939, except for stability and flexibility.
shall consist of asphalt, water, and emulsifying agents.
7.2 Stability:
7.2.1 Material—High-early-strength portland cement con-
5. Composition
forming to the requirements for Type III of Specification
5.1 Emulsified asphalt complying with this specification
C 150, and having a minimum specific surface area of 133 556
shall conform to the requirements in Table 1.
2 2
in /lb (1900 cm /g).
7.2.2 Procedure:
6. Performance Requirements
7.2.2.1 Place about 200 g of emulsion in a tared 500-mL
6.1 Uniformity—The emulsion shall be homogeneous.After
round-bottom porcelain dish, and weigh.
a thoroughly stirred sample has been held at 50°F (10°C) in a
7.2.2.2 Add 25 mass % portland cement based on the
closed container for 48 h, there shall be no separation of water,
weight of the emulsion, in small portions while stirring
coagulation of the asphalt base, settling, or packing in the
constantly with a stiff spatula.
container that cannot be overcome by moderate hand stirring.
7.2.2.3 Add small amounts of distilled water if the mixture
6.2 Consistency—The emulsion shall be of a consistency
becomes too stiff to be workable.
that will spread readily and permit application by brush, mop,
7.2.2.4 After addition of all the cement, stir the mixture
thoroughly for 1 min.
1 7.2.2.5 Watchforanysignofcoagulationoftheasphaltbase
This specification is under the jurisdiction of ASTM Committee D-8 on
during addition of the portland cement and after the 1-min
Roofing, Waterproofing, and Bituminous Materials and is under the direct respon-
sibility of Subcommittee D08.09 on Bituminous Emulsions.
stirring period.
Current edition approved Feb. 10, 1997. Published April 1997. Originally
7.3 Flexibili
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