ASTM C413-96
(Test Method)Standard Test Method for Absorption of Chemical-Resistant Mortars, Grouts, and Monolithic Surfacings and Polymer Concretes
Standard Test Method for Absorption of Chemical-Resistant Mortars, Grouts, and Monolithic Surfacings and Polymer Concretes
SCOPE
1.1 This test method covers the determination of the absorption of chemical-resistant mortars, grouts, monolithic surfacings, and polymer concretes. These materials may be based on resin, silicate, silica, or sulfur binders.
1.2 Mold Method A is used for systems containing aggregates less than 0.0625 in. (1.6 mm) in size. Mold Method B is used for systems containing aggregates from 0.0625 to 0.4 in. (1.6 to 10 mm) in size. Mold Method C is used for systems containing aggregates larger than 0.4 in.
1.3 The values stated in inch-pound units are to be regarded as the standard. Within this text, the SI units shown in parentheses are given for information only.
1.4 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: C 413 – 96
Standard Test Method for
Absorption of Chemical-Resistant Mortars, Grouts, and
Monolithic Surfacings
This standard is issued under the fixed designation C 413; 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 5.2 Equipment for Mixing, consisting of a flat-bottom con-
tainer of suitable size, preferably corrosion-resistant, and a
1.1 This test method covers the determination of the absorp-
trowel havinga4to 5-in. (100 to 125-mm) blade.
tion of chemical-resistant mortars, grouts, and monolithic
5.3 Flask, glass, having a 34/45 standard-taper joint neck. A
surfacings. These materials may be based on resin, silicate,
reflux condenser having a 24/40 standard-taper bottom, and a
silica, or sulfur binders.
glass adaptor bushing having an outer ground zone for the
1.2 The values stated in inch-pound units are to be regarded
34/45 joint and an inner ground zone for a 24/40 standard-taper
as the standard. The values in parentheses are given for
joint.
information only.
5.4 Specimen Molds—These molds shall be right cylinders
1.3 This standard does not purport to address all of the
1 1
16 ⁄32 in. (25 6 0.8 mm) in diameter by 1 6 ⁄32 in. (25 6 0.8
safety concerns, if any, associated with its use. It is the
mm) high. The molds may be constructed in any manner that
responsibility of the user of this standard to establish appro-
will allow formation of a test specimen of the desired size.
priate safety and health practices and determine the applica-
Typical molds may consist of a 1-in. thick flat plastic sheet in
bility of regulatory limitations prior to use.
which 1-in. diameter, smooth-sided holes have been cut, and to
2. Referenced Documents
the bottom of which a ⁄4-in. (6-mm) thick flat plastic sheet
(without matching holes), is attached by means of screws or
2.1 ASTM Standards:
bolts. Alternatively, the molds may consist of sections of round
C 904 Terminology Relating to Chemical-Resistant Non-
plastic tubing or pipe, 1 in. in inside diameter and 1 in. long,
metallic Materials
having sufficient wall thickness to be rigid and retain dimen-
3. Terminology
sional stability during the molding operation, and a ⁄4-in. thick
flat plastic sheet on which one open end of each section can be
3.1 Definitions—For definitions of terms used in this test
rested. With the latter style of mold, the tubing segment may be
method, see Terminology C 904.
sealed with a material such as caulking compound or stopcock
4. Significance and Use
grease. For most types of specimens it is satisfactory to simply
seal one end of the tubing segment with strips of 2-in. wide
4.1 The results obtained by this test method should serve as
masking tape.
a guide in, but not as the sole basis for, selection of a
chemical-resistant material for a particular application. No
NOTE 1—For use with sulfur materials, an additional piece of flat
attempt has been made to incorporate in the test method all the 1 1
plastic sheet at least ⁄8 in. (3 mm) thick containing a ⁄4-in. (6-mm) hole
various factors which may affect the performance of a material and a section of plastic tubing 1 in. (25 mm) in diameter by 1 in. high are
required. They are used to form a pouring gate and reservoir in the
when subjected to actual service.
preparation of sulfur material specimens.
4.2 This is not a test for permeability and the test results are
NOTE 2—The material from which the mold is constructed must be
not to be interpreted as a measurement of, or indication of, the
corrosion resistant and have antistick properties. Polyethylene, polypro-
permeability properties of the materials tested.
pylene, polytetrafluoroethylene, and metal forms having either a sintered
coating of tetrafluoroethylene or a suitable release agent compatible with
5. Apparatus
the material being tested are satisfactory. Because of their superior heat
5.1 Weighing Equipment, capable of weighing specimens resistance, only trifluorochloroethylene and tetrafluoroethylene mold re-
lease agents should be used with sulfur materials.
and for determining specific gravity to 60.03 % accuracy.
5.5 Batching Equipment, capable of weighing materials to
60.3 % accuracy.
This test method is under the jurisdiction of ASTM Committee C-3 on
Chemical-Resistant Nonmetallic Materialsand is the direct responsibility of Sub-
committee C03.01on Test Methods.
6. Temperature
Current edition approved Sept. 10, 1996. Published November 1996. Originally
6.1 The temperature in the vicinity of the mixing operation
published as C 413 – 58. Last previous edition C 413 – 94.
Annual Book of ASTM Standards, Vol 04.05. shall be 73 6 4°F (23 6 2°C).
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
C 413
bottom to prevent the specimens from coming in contact with the heated
7. Test Specimens
bottom of the flask.
7.1 Number of Specimens—At least six specimens shall be
prepared. 8.3 Boil the liquid for 2 h.
7.2 Preparation of Materials:
NOTE 4—For sulfur mortars, the temperature shall be held at 190°F
7.2.1 Resin, Silicate, and Silica Materials—Mix a sufficient
(88°C) instead of boiling.
amount of the components in the proportions and in the manner
8.4 After the boiling period, cool the flask to room tempera-
specified by the manufacturer of the materials. Fill the molds
ture, 73 6 4°F (23 6 2°C). The cooling may be accelerated by
one-half full. Remove any entrapped air by using a cutting and
running cold water over the outside of the flask while swirli
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