1、Designation:C26701(Reapproved 2012)Standard Test Methods forChemical Resistance of Mortars,Grouts,and MonolithicSurfacings and Polymer Concretes1This standard is issued under the fixed designation C267;the number immediately following the designation indicates the year oforiginal adoption or,in the
2、case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()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.Scope1.1 These test me
3、thods are intended to evaluate the chemi-cal resistance of resin,silica,silicate,sulfur,and hydraulicmaterials,grouts,monolithic surfacings,and polymer con-cretes under anticipated service conditions.These test methodsprovide for the determination of changes in the followingproperties of the test sp
4、ecimens and test medium after exposureof the specimens to the medium:1.1.1 Weight of specimen,1.1.2 Appearance of specimen,1.1.3 Appearance of test medium,and1.1.4 Compressive strength of specimens.1.2 Test Method A outlines the testing procedure generallyused for systems containing aggregate less t
5、han 0.0625 in.(1.6mm)in size.Test Method B covers the testing proceduregenerally used for systems containing aggregate from 0.0625to 0.4 in.(1.6 to 1.0 mm)in size.Test Method C is used forsystems containing aggregate larger than 0.4 in.1.3 The values stated in inch-pound units are to be regardedas s
6、tandard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this sta
7、ndard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2C470/C470M Specification for Molds for Forming ConcreteTest Cylinders VerticallyC579 Test Methods for Compressive Strength of
8、Chemical-Resistant Mortars,Grouts,Monolithic Surfacings,andPolymer ConcretesC904 Terminology Relating to Chemical-Resistant Nonme-tallic MaterialsC1312 Practice for Making and Conditioning Chemical-Resistant Sulfur Polymer Cement Concrete Test Speci-mens in the LaboratoryE4 Practices for Force Verif
9、ication of Testing Machines3.Terminology3.1 DefinitionsFor definitions of terms used in these testmethods,see Terminology C904.4.Significance and Use4.1 The results obtained by these test methods should serveas a guide in,but not as the sole basis for,selection of achemical-resistant material for a
10、particular application.Noattempt has been made to incorporate into these test methodsall the various factors that may affect the performance of amaterial when subjected to actual service.The strength valuesobtained by these test methods should not be used to evaluatethe compressive strength of chemi
11、cal-resistant materials.Theappropriate ASTM test method for the specific material shouldbe used for determining and evaluating the compressivestrength.5.Apparatus5.1 Equipment,capable of weighing materials or specimensto 60.3%accuracy.5.2 Equipment for Mixing,consisting of a container ofsuitable siz
12、e,preferably made of corrosion-resistant metal,or aporcelain pan,and a strong,sturdy spatula or trowel.5.3 Specimen Molds:5.3.1 Test Method AThese molds shall be right cylinder 16132in.(25 6 0.8 mm)in diameter by 1 6132in.high.Themolds may be constructed in any manner that will allowformation of a t
13、est specimen of the desired size.Typical molds1These test methods are under the jurisdiction of ASTM Committee D01 onPaint and Related Coatings,Materials,and Applications and are the directresponsibility of Subcommittee D01.46 on Industrial Protective Coatings.Current edition approved Nov.15,2012.Pu
14、blished November 2012.Originallyapproved in 1959.Last previous edition approved in 2006 as C267 01(2006).DOI:10.1520/C0267-01R12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,r
15、efer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 consist of a 1-in.thick,flat plastic sheet in which 1-in.diameter,smooth-sided holes have been cut,and to the bottomof which a1
16、4-in.(6-mm)thick,flat plastic sheet(withoutmatching holes)is attached by means of screws or bolts.Alternately,the molds may consist of sections of round plastictubing or pipe,1 in.in inside diameter and 1 in.long,havingsufficient wall thickness to be rigid and retain dimensionalstability during the molding operation,and a14-in.thick,flatplastic sheet on which one open end of each section can berested.With the latter style of mold,the tubing segment may besealed with a material,such as caulking c
