1、Designation: C 267 01 (Reapproved 2006)Standard Test Methods forChemical Resistance of Mortars, Grouts, and MonolithicSurfacings and Polymer Concretes1This standard is issued under the fixed designation C 267; the number immediately following the designation indicates the year oforiginal adoption or
2、, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript 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. Scope1
3、.1 These test methods 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 followingp
4、roperties of the test specimens 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 co
5、ntaining aggregate less than 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 units stated are to be re
6、garded as standard. Thevalues given in parentheses are for information only.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 standard to establish appro-priate safety and health practices and determi
7、ne the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C 470/C 470M Specification for Molds for Forming Con-crete Test Cylinders VerticallyC 579 Test Methods for Compressive Strength of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, andPol
8、ymer ConcretesC 904 Terminology Relating to Chemical-Resistant Non-metallic MaterialsC 1312 Practice for Making and Conditioning Chemical-Resistant Sulfur Polymer Cement Concrete Test Speci-mens in the LaboratoryE4 Practices for Force Verification of Testing Machines3. Terminology3.1 DefinitionsFor
9、definitions of terms used in these testmethods, see Terminology C 904.4. 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 particular application. Noattempt has been made to inc
10、orporate 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 chemical-resistant materials. Theappropriate ASTM test me
11、thod 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 size, preferably made of corrosion-resistant meta
12、l, 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 16132 in. (25 6 0.8 mm) in diameter by 1 6132 in. high. Themolds may be constructed in any manner that will allowformation of a test specimen of the desired size. Ty
13、pical moldsconsist of a 1-in. thick, flat plastic sheet in which 1-in.diameter, smooth-sided holes have been cut, and to the bottomof which a14-in. (6-mm) thick, flat plastic sheet (withoutmatching holes) is attached by means of screws or bolts.1These test methods are under the jurisdiction of ASTM
14、Committee C03 onChemical-Resistant Nonmetallic Materials and are the direct responsibility ofSubcommittee C03.01 on Mortars and Carbon Brick.Current edition approved Sept. 15, 2006. Published October 2006. Originallyapproved in 1959. Last previous edition approved in 2001 as C 267 01.2For referenced
15、 ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Cons
16、hohocken, PA 19428-2959, United States.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 shee
17、t 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 compound or stopcockgrease. For most types of specimens it is satisfactory to simplyseal one end of the tubing segment with masking tape.NOTE 1For us
18、e with sulfur mortars an additional piece of flat plasticsheet at least18 in. (3 mm) thick containing a14-in. (6-mm) hole and asection of plastic tubing or pipe 1 in. (25 mm) in diameter by 1 in. highare required. They are used to form a pouring gate and reservoir in thepreparation of sulfur mortar
19、specimens.5.3.2 Test Method BMolds for the 2-in. (50-mm) cubespecimens shall be tight fitting and leakproof. The sides of themolds shall be sufficiently rigid to prevent spreading orwarping. The interior faces of the molds shall be manufacturedto ensure plane surfaces with a permissible variation of
20、 0.002in. (0.05 mm). The distances between opposite faces shall be 26116 in. (50 6 0.8 mm). The height of the molds shall be 2 6116 in. The angle between adjacent interior faces and betweeninterior faces and the bottom of the mold shall be 90 6 0.5.5.3.3 Test Method C:5.3.3.1 For polymer concretes o
21、ther than sulfur polymercement concretes, molds shall be right cylinders made of heavygage metal or other rigid nonabsorbent material. The cylinderdiameter shall be at least four times the nominal maximumaggregate size in the mix. The minimum cylinder diametershall be 2 in. (50 mm). The cylinder hei
22、ght shall be two timesthe diameter. The plane of the rim of the mold shall be at rightangles to the axis within 0.5. The mold shall be at right anglesto the axis within 0.5. The mold shall not vary from theprescribed diameter by more than116 in. (1.5 mm) nor fromthe prescribed height by more than18
23、in. (3 mm). Molds shallbe provided with a flat base plate with a means for securing itto the mold at a right angle to the axis of the cylinder in theinstance of reusable metal molds. For molds other than metal,a mechanically attached smooth flat metal or integrally moldedflat bottom of the same mate
24、rial as the sides shall be used.Single-use molds shall conform to Specifications C 470/C 470M.5.3.3.2 For molds to be used for preparing sulfur polymercement concrete specimens, refer to Practice C 1312.NOTE 2The material from which the mold is constructed must bechemically inert and have antistick
25、properties. Polyethylene, polypropy-lene, polytetrafluoroethylene, and metal forms having either a sinteredcoating of tetrafluoroethylene or a suitable release agent compatible withthe material being tested are satisfactory. Because of their superior heatresistance, only trifluorochloroethylene and
26、tetrafluoroethylene mold re-lease agents should be used with sulfur materials.5.4 Weighing Equipment, of adequate capacity. For MethodA, suitable for accurate weighing to 0.001 g.5.5 Micrometer, suitable for accurate measurement to 0.001in. (0.03 mm).5.6 Containers:5.6.1 Wide-Mouth Glass Jars, of su
27、fficient capacity, fittedwith plastic or plastic-lined metal screw caps for low-temperature tests involving media of low volatility.5.6.2 Erlenmeyer Flasks, of sufficient capacity, each fittedwith standard-taper joints and a reflux condenser attachmentfor use with volatile media.5.6.3 Containers, as
28、 described in 5.6.1 and 5.6.2 having aninert coating on their inner surfaces, or containers of a suitableinert material for use with media which attack glass.5.7 Constant-Temperature Oven or Liquid Bath, capable ofmaintaining temperature within a range of 64F (62C).5.8 Testing Machine, may be of any
29、 type of sufficientcapacity which will provide the rates of loading prescribed. Itshall have been verified to have an accuracy of 1.0 %, or better,within twelve months of the time of use in accordance withPractices E4. The testing machine shall be equipped with twosteel bearing blocks with hardened
30、faces, one of which is aspherically seated block that will bear on the top of thespecimen, and the other a plain block that will support thebottom. The size of the bearing block shall be of sufficient sizeto contact the entire bearing surface of the specimen. Thebearing faces shall not depart from a
31、 plane by more than 0.001in. (0.025 mm) in any 6-in. (150-mm) diameter circle.6. Test Media6.1 The test media shall consist of the media to which thechemical-resistant materials are to be exposed in service.7. Test Specimens7.1 The number of specimens required is dependent uponthe number of test med
32、ia to be employed, the number ofdifferent temperatures at which testing is performed, and thefrequency of test intervals. The test specimens shall consist ofsets of a minimum of three cylinders for one medium at asingle temperature and for each test interval. In addition one setof at least three spe
33、cimens shall be available for test immedi-ately following the conditioning period, and other sets of atleast three, equivalent to the number of test temperatures, forthe total test period. Calculate the total number of specimensrequired as follows:N 5 nM 3 T 3 I! 1 nT 1 n (1)where:N = number of spec
34、imens,n = number of specimens for a single test,M = number of media,T = number of test temperatures, andI = number of test intervals.NOTE 3For calcium aluminate cements, strength and weight changesare a natural phenomena, with the degree of change being dependent uponthe test conditions involved. Th
35、erefore, when conducting chemical resis-tance tests on these products, additional sets of control samples should beprepared for testing at each test temperature and each test interval. Theimmersion medium for these control samples will be potable water.7.2 Make all specimens for a single determinati
36、on from asingle mix.7.3 Test Method APrepare test specimens to be used inaccordance with Test Method A as described in 8.1. Testspecimens shall be right cylinders 1 +132 in., 116 in.(25 + 0.8, 1.6 mm) in diameter by 1 6116 in. (25 6 1.6 mm)high. If the faces of the specimen are not flat, smooth, and
37、C 267 01 (2006)2normal to the cylinder axis, they may be sanded, ground, ormachined to specification. Exercise care that the frictional heatdeveloped during such operations does not damage the speci-mens.7.4 Test Method BPrepare test specimens to be used inaccordance with Test Method B as described
38、in 8.1. Testspecimens shall be cubes with dimensions of 2 +116 in., 18in. (50 + 1.5, 3.0 mm).7.5 Test Method C:7.5.1 For polymer concretes other than sulfur concretes,prepare the test specimens to be used in accordance with 8.2.7.5.1.1 Do not test specimens if any individual diameter ofa cylinder di
39、ffers from any other diameter of the same cylinderby more than 2 %.7.5.1.2 Neither end of compressive test specimens, whentested, shall depart from perpendicular to the axis by more than0.5 (approximately equivalent to18 in. in 12 in. (3 mm in 300mm). Compression test specimens that are not flat wit
40、hin 0.01in. (0.25 mm) shall be sawed, ground, or capped in accordancewith 8.2.1.2. Determine the diameter used for calculating thecross-sectional area of the test specimen to the nearest 0.01 in.(0.25 mm) by averaging two diameters measured at rightangles to each other at about mid-height of the spe
41、cimen.7.5.2 For preparing sulfur polymer cement concrete testspecimens, refer to Practice C 1312.8. Preparation of Specimens8.1 Specimen Preparation for Test Methods A and B:8.1.1 Resin, Silicate, and Silica MaterialsMix a sufficientamount of the components in the proportions and in the mannerspecif
42、ied by the manufacturer of the materials. Fill the moldsone-half full. Remove any entrapped air by using a cutting andstabbing motion with a spatula or rounded-end rod. Fill theremainder of the mold, working down into the previouslyplaced portion. Upon completion of the filling operation, thetops of
43、 the specimens should extend slightly above the tops ofthe molds. When the molds have been filled, strike off theexcess material, even with the top of the mold. Permit thematerial to remain in the mold until it has set sufficiently toallow removal without danger of deformation or breakage.8.1.1.1 Si
44、licate MaterialsSome silicates may require cov-ering during the curing period. After removal from the molds,acid-treat the specimens, if required, in accordance with therecommendations given by the manufacturer. No other treat-ment shall be permitted. Record the method of treatment in13.1.3.8.1.2 Su
45、lfur Materials:8.1.2.1 Sulfur MortarsSlowly melt a minimum of 2 lb(900 g) of the material in a suitable container at a temperatureof 265 to 290F (130 to 145C) with constant agitation. Stir tolift and blend the aggregate without beating air into the melt.Place the piece of plastic sheet containing th
46、e14-in. (6-mm)round hole over the open face of the mold with the holecentered on the face. On top of the piece of plastic sheet andsurrounding the hole, place a section of plastic tubing or pipe1 in. (25 mm) in diameter by 1 in. high. Pour the meltedmaterial through the hole into the mold and contin
47、ue to pouruntil the section of tubing or pipe is completely filled. Theexcess material contained in the hole in the plastic sheet acts asa reservoir to compensate for shrinkage of the material duringcooling. Allow the specimen to remain in the mold until it hascompletely solidified. Upon removal, fi
48、le, grind, or sand thesurface flush, removing the excess material remaining at thepouring gate.8.1.2.2 Sulfur Polymer Cement ConcretesPrepare speci-mens in accordance with Practice C 1312.8.2 Specimen Preparation for Test Method C:8.2.1 Polymer Concretes Other than Sulfur Polymer CementConcretesPrep
49、are specimens in accordance with 8.1 with thefollowing additional considerations:8.2.1.1 The use of vibrators may be required. The type andmethod of vibrating will be as recommended by the manufac-turer and shall be specified in the test report.8.2.1.2 Filling and Capping for Cylindrical Resin, Silicate,and Silica SpecimensThe top layer may be filled to slightlybelow the top edge of the mold. The top surface of thespecimen shall be finished as much as practicable to a planeperpendicular to the axis of the specimen. The flatness of thefini
