ASTM C1375-00

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:C1375–00
Standard Guide for
Substrates Used in Testing Building Seals and Sealants
This standard is issued under the fixed designation C 1375; 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.
1. Scope 6. Glass Substrate
1.1 This guide describes the recommended standard sub- 6.1 The glass used shall be float glass, which conforms to
strates and their recommended surface preparation for use in Specification C 1036, Type I, Class 1, q3. This corresponds to
standard tests of building seals and sealants. a glass that is formed on a float line, is transparent, clear, and
1.2 This standard does not purport to address all of the intended for architectural fenestration applications.
safety concerns, if any, associated with its use. It is the 6.2 Float glass has two surfaces, which are not necessarily
responsibility of the user of this standard to establish appro- identical in surface chemistry. There is a tin side, which was in
priate safety and health practices and determine the applica- contact with a batch of molten tin, and an air side, which did
bility of regulatory limitations prior to use. not have this intimate contact. These two surfaces may or may
not have the same adhesion properties with a given sealant. It
2. Referenced Documents
is best to test both surfaces for control of testing. If only one
2.1 ASTM Standards: surface is to be tested, however, it is preferred to use the air
C 33 Specification for Concrete Aggregates
side as this is likely a more consistent surface.
C 150 Specification for Portland Cement 6.3 Determination of Air Side Versus Tin Side:
C 305 Practice for MechanicalMixing of Hydraulic Cement
6.3.1 Clean the glass as described in 6.4.
Pastes and Mortars of Plastic Consistency 6.3.2 Expose the substrate to the radiation from a short
C 566 TestMethodforTotalMoistureContentofAggregate
wavelength UV light source of approximately 254 nm. The tin
by Drying side will fluoresce and display a hazy white reflectance.The air
C 717 Terminology of Building Seals and Sealants
side will not show this effect under the same UV light.
C 1036 Specification for Flat Glass (Warning—Protect eyes and skin from exposure to UV light
when using a UV light source.)
3. Terminology
6.4 Surface Preparation—The substrate should be cleaned
3.1 Definitions—The terms used in this guide are in accor-
thoroughlywithasolutionof50 %isopropylalcohol(IPA)and
dance with Terminology C 717.
50 % deionized or distilled water and wiped with a clean, lint
free, soft cloth or paper towel. Prepared specimens must be
4. Significance and Use
used within the same working day. Check surfaces for clean-
4.1 The guide provides recommendations for substrates and
liness by running distilled or deionized water over the glass
methods of surface preparation to be used in comparative tests
surface held in a vertical position. Cleaned parts must pass
of building seals and sealants.
water-break inspection as indicated by maintenance of a
continuous film of water on the surface for not less than 30 s.
5. Comparison to Other Standards
Panels failing the water-break inspection should be recleaned
5.1 The ASTM committee with jurisdiction over this stan-
until the surface can maintain the continuous film of water.
dard is not aware of any comparable standards published by
7. Aluminum Substrates
other organizations.
7.1 The aluminum shall be one of two materials, depending
on the test sample configuration:
ThisguideisunderthejurisdictionofASTMCommitteeC24onBuildingSeals
7.1.1 For tests requiring a sheet, less than 6 mm thick, the
and Sealants and is the direct responsibility of Subcommittee C24.10 on Specifi-
sheet shall be made of aluminum alloy 5005-H34.
cations, Guides and Practices.
Current edition approved Jan. 10, 2000. Published April 2000. Originally
7.1.2 For tests requiring a thicker plate, 6 mm or greater, the
published as C 1375 – 97. Last previous edition C 1375 – 97.
plate shall be made of aluminum alloy 6063-T5.
Annual Book of ASTM Standards, Vol 04.02.
Annual Book of ASTM Standards, Vol 04.01.
Annual Book of ASTM Standards, Vol 04.07.
Annual Book of ASTM Standards, Vol 15.02.
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C1375–00
7.2 The aluminum for either a sheet or plate shall have a
0.5 part – 2 MC Water
clear, Class II anodized finish conforming toAA-M12C22A31
where MC is the moisture content of the sand expressed as a decimal as deter-
(refer to Aluminum Association Circular 45). The anodized
mined in 8.3.2.
surface shall be sealed using a hot water process.
8.4.2 For example, if 1000 g total mortar are required to fill
7.3 Surface Preparation—The substrate should be cleaned
the mold, and the MC of the sand has been determined to be
thoroughlywithasolutionof50 %isopropylalcohol(IPA)and
0.10, then the total weight of sand added must be increased by
50 % dionized or distilled water and wiped with a clean, soft,
10 % or 57.1 g and the amount of water actually added must be
lint-free cloth or paper towel. At the request of the manufac-
reduced by the same amount. The recipe now becomes:
turer, cleaning with methyl ethyl ketone or similar solvent may
1 part = 286 g Type III Portland Cement
precede the isopropyl wash. Panels must pass the water-break
2parts+2MC=571+57.1= 628.1 g wet sand
0.5 part – 2 MC = 143 – 57.1 = 85.9 g actual water
free test described in 6.4. Prepared substrates must be used
1000 g total recipe
within the same working day.
8.5 Mixing Procedure—Combine the sand and the cement
8. Mortar Substrates
in a
...