ASTM C287-1998(2008)e1 Standard Specification for Chemical-Resistant Sulfur Mortar《耐化学腐蚀硫化灰浆的标准规范》.pdf
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1、Designation: C 287 98 (Reapproved 2008)e1Standard Specification forChemical-Resistant Sulfur Mortar1This standard is issued under the fixed designation C 287; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revisio
2、n. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.e1NOTEA warning note was editorially corrected in July 2008.1. Scope1.1 This specification covers the requirements for chemical-resistant sulf
3、ur mortar, which must be heated and molten to beused, for bonding chemical-resistant brick or tile. For the use ofthese materials, see Practice C 386.1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that
4、are provided for information onlyand are not considered standard.1.3 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 determine the appl
5、ica-bility of regulatory limitations prior to use. See Section 7 forspecific safety hazard.2. Referenced Documents2.1 ASTM Standards:2C 267 Test Methods for Chemical Resistance of Mortars,Grouts, and Monolithic Surfacings and Polymer ConcretesC 307 Test Method for Tensile Strength of Chemical-Resist
6、ant Mortar, Grouts, and Monolithic SurfacingsC 321 Test Method for Bond Strength of Chemical-Resistant MortarsC 386 Practice for Use of Chemical-Resistant Sulfur MortarC 413 Test Method for Absorption of Chemical-ResistantMortars, Grouts, Monolithic Surfacings, and Polymer Con-cretesC 579 Test Metho
7、ds for Compressive Strength of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, andPolymer ConcretesC 580 Test Method for Flexural Strength and Modulus ofElasticity of Chemical-Resistant Mortars, Grouts, Mono-lithic Surfacings, and Polymer ConcretesC 904 Terminology Relating to Chemical-Re
8、sistant Non-metallic Materials3. Terminology3.1 DefinitionsFor definitions of terms used in this speci-fication, see Terminology C 904.4. Chemical Composition4.1 The sulfur mortar shall conform to the following re-quirements for chemical composition:Sulfur,% 55to70Inert filler, % 45 to 30Fillers are
9、 usually carbon or silica and can affect thechemical resistance of sulfur mortars.5. Chemical Resistance5.1 A general guide to chemical resistance of sulfur mortarsmay be found in Table 1.5.2 The resistance of sulfur mortar to specific chemicalsshall be determined by Test Method C 267.6. Physical Pr
10、operties6.1 The sulfur mortar shall conform to the following physi-cal requirements:Tendency of filler to settle, maximum variation from unity 0.6Tensile strength, min, psi (MPa) 400 (2.8)Compressive strength, min, psi (MPa) 4000 (28)Flexural strength, min, psi (MPa) 1000 (6.9)Strength retained afte
11、r thermal shock test, min, psi (MPa) 150 (1.0)Bond strength, min, psi (MPa) 150 (1.0)Absorption, max, weight % 1.07. Test Methods7.1 Sample the sulfur mortar and determine the propertiesenumerated in this specification in accordance with the follow-ing test methods:7.1.1 Sampling and Preparation of
12、SampleUsing a mini-mum of 5 lb (2.3 kg), melt the sample in less than 1 h. Thenhold at a temperature of 265 to 290F (129 to 143C) for at1This specification is under the jurisdiction of ASTM Committee C03 onChemical-Resistant Nonmetallic Materials and is the direct responsibility ofSubcommittee C03.0
13、2 on Monolithics, Grouts and Polymer Concretes.Current edition approved June 1, 2008. Published July 2008. Originally approvedin 1952. Last previous edition approved in 2003 as C 287 98 (2003).2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at se
14、rviceastm.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 Conshohocken, PA 19428-2959, United States.least 15 min, while stirring with a laboratory-type m
15、ixer. Thismixer shall be of such type and operate at a speed to lift theaggregate, but without beating air into the molten sample. Castall test specimens from this sample.7.1.2 Storage of Test SpecimensStore all test specimens ata temperature of 73 6 4F (236 2C).7.1.3 Filler Content:7.1.3.1 Determin
16、e the filler content of the sulfur mortar byextraction with carbon disulfide, (CS2see warning below)using Soxhlet-type equipment. Dry and weigh the filterthimble. Place 10 to 15 g of the sample in the thimble and placethimble in the extraction equipment. Pour 40 to 50 mL ofcarbon disulfide into the
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