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ASTM C1375-00

(Guide)

Standard Guide for Substrates Used in Testing Building Seals and Sealants

Standard Guide for Substrates Used in Testing Building Seals and Sealants

SCOPE
1.1 This guide describes the recommended standard substrates and their recommended surface preparation for use in standard tests of building seals and sealants.

General Information

Status
Historical
Publication Date
09-Jan-2000
ICS
91.100.50 - Binders. Sealing materials
Technical Committee
C24 - Building Seals and Sealants
Drafting Committee
C24.10 - Specifications, Guides and Practices
Current Stage
Ref Project

Relations

Replaced By
ASTM C1375-00(2005) - Standard Guide for Substrates Used in Testing Building Seals and Sealants
Effective Date
01-Sep-2005
Referred By
ASTM C1635-22 - Standard Test Method to Evaluate Adhesion/Cohesion Properties of a Sealant at Fixed Extension
Effective Date
10-Jan-2000
Referred By
ASTM C1367-19(2023) - Standard Test Method for Dead Load Resistance of a Sealant in Elevated Temperatures
Effective Date
10-Jan-2000
Referred By
ASTM C1522-05(2021) - Standard Test Method for Extensibility After Heat Aging of Cold Liquid-Applied Elastomeric Waterproofing Membranes
Effective Date
10-Jan-2000
Referred By
ASTM C1523-17 - Standard Test Method for Determining Modulus, Tear and Adhesion Properties of Precured Elastomeric Joint Sealants
Effective Date
10-Jan-2000
Referred By
ASTM C736-12(2022) - Standard Test Method for Extension-Recovery and Adhesion of Latex Sealants
Effective Date
10-Jan-2000
Referred By
ASTM C1922-23 - Standard Test Method for Water Retention of Hydraulic Cement-Based Mortars and Plasters by Way of Water Loss
Effective Date
10-Jan-2000
Referred By
ASTM C794-18(2022) - Standard Test Method for Adhesion-in-Peel of Elastomeric Joint Sealants
Effective Date
10-Jan-2000
Referred By
ASTM C836/C836M-18(2022) - Standard Specification for High Solids Content, Cold Liquid-Applied Elastomeric Waterproofing Membrane for Use with Separate Wearing Course
Effective Date
10-Jan-2000
Referred By
ASTM C1306/C1306M-08(2023) - Standard Test Method for Hydrostatic Pressure Resistance of a Liquid-Applied Waterproofing Membrane
Effective Date
10-Jan-2000
Referred By
ASTM C1305/C1305M-16(2023) - Standard Test Method for Crack Bridging Ability of Liquid-Applied Waterproofing Membrane
Effective Date
10-Jan-2000

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ASTM C1375-00 - Standard Guide for Substrates Used in Testing Building Seals and SealantsASTM C1375-00 - Standard Guide for Substrates Used in Testing Building Seals and Sealants
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ASTM C1375-00 - Standard Guide for Substrates Used in Testing Building Seals and Sealants
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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: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.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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
...

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5.1 It is difficult to establish a precise correlation between laboratory accelerated and natural weathering because of  (1) geographical climatic variations, local weather variation from normal, and local pollutants and (2) the fact that the acceleration factor is material dependent, varying with the type of material as well as its formulation. This test method is used to determine the resistance of a sealant to laboratory accelerated weathering and, if a control material with known outdoor weathering performance is used, the relative weathering performance of the sealant against that of the control material.  
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4.2.2 Many sealant manufacturers have their own qualified testing facilities that are used to conduct research and maintain quality control of their products. Generally, the companies that have such facilities are willing to certify as to the performance standards with which their products comply. The contracting authority should determine if there are conflicting interests in such a relationship. The contracting authority may prefer that the product testing to ascertain conformance with specific performance standards and the reporting of such testing be performed by a qualified but independent testing laboratory. The contract documents should make this requirement known so that bidders can bid accordingly.  
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1.1 This practice describes the qualifications, including minimum requirements for personnel and equipment, duties, responsibilities, and services of independent commercial materials testing laboratories engaged in the testing of caulking and sealants used in building construction.  
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5.1 In structural sealant glazing systems, the sealant functions as the structural adhesive and may also function as the primary weather seal. As the structural adhesive, the integrity of the adhesive bond is critical.  
5.2 Changes in color and adhesion after exposure are two of the criteria that can be used to determine the compatibility of the system. Experience has shown that accessories that cause loss of adhesion or discoloration in this test method may also cause these occurrences in actual use.
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1.1 This test method covers a laboratory screening procedure for determining the compatibility of liquid-applied structural sealant glazing sealants when in contact with accessories such as dry glazing gaskets, spacers, shims, and setting blocks after exposure to heat and ultraviolet light.  
1.2 This test method includes the observation of three parameters as follows:  
1.2.1 Changes in the color of the sealant,  
1.2.2 Changes in the adhesion of the sealant to glass, and  
1.2.3 Changes in the adhesion of the sealant to the accessory being tested.  
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
Note 1: At this time, no comparable ISO standard exists.  
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