Có 40+ tài liệu thuộc chủ đề "ASTM"
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Standard Test Method for. Early Stiffening of Portland Cement (Mortar Method) 1. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. 1.1 This test method covers the determination of early stiffening in portland-cement mortar.. 1.3 This standard does not purport to address all of the safety...
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This standard is issued under the fixed designation C 400. 1.1 This test method covers the testing of quicklime and hydrated lime for use in the treatment of waste acid solutions and includes the characterization of the liming material and of the acid waste.. N OTE 1—When agreed upon by the manufacturer and the purchaser, this method may be used...
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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 appro- priate safety and health practices and determine the applica- bility of regulatory limitations prior to use.. This will become the weight of the sample as received.. This will...
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Gypsum Backing Board, Gypsum Coreboard, and Gypsum Shaftliner Board 1. This standard has been approved for use by agencies of the Department of Defense.. The values stated in each system shal be used independent of the other. 1.3 The terms “backing board,” “coreboard,” and “shaftliner board,” refer to different end uses of the gypsum board specified in this specification. The...
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Standard Test Method for. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. 1.1 This test method covers the determination of early stiffening in hydraulic-cement paste.. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It...
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Standard Test Method for. This standard is issued under the fixed designation C 452. 1.1 This test method, which is applicable only to portland cements, covers the determination of the expansion of mortar bars made from a mixture of portland cement and gypsum in such proportions that the mixture has a sulfur trioxide (SO 3 ) content of 7.0 mass....
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Processing Additions for Use in the Manufacture of Hydraulic Cements 1. 1.1 This specification pertains to the criteria and tests to be used for determining whether a processing addition, when used in the recommended amount at the option of the cement producer in the manufacture of hydraulic cements, meets the requirements as prescribed by definition in Specifications C 150, C...
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Use of Apparatus for the Determination of Length Change of Hardened Cement Paste, Mortar, and Concrete 1. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. 1.1 This practice covers the requirements for the apparatus and equipment used to prepare specimens for the determination of length...
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This standard has been approved for use by agencies of the Department of Defense.. The values stated first shall be regarded as the standard. These notes and footnotes (excluding those in tables and figures) are not requirements of the standard.. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It...
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Gypsum Panel Products 20. 4.1 For use in these test methods, a sample shall consist of not less than 0.25 % of the number of gypsum panel products in a shipment, but not less than three gypsum panel products.. The deformation of the specimen controls the cross head speed.. 7.2 Significance and Use—This test method covers a pro- cedure for...
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These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.. 1.5 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 appro- priate safety and health practices and determine the applica-...
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Joint Compound and Joint Tape for Finishing Gypsum Board 1. This standard is issued under the fixed designation C 475. This standard has been approved for use by agencies of the Department of Defense.. 1.1 This specification covers all-purpose, taping and finish- ing joint compounds, and paper joint tape.. 1.2 This specification also covers the minimum require- ments for an...
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Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes 1. the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. 1.2 Values in SI units shall be obtained by measurement in SI units or by appropriate conversion, using the...
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Nails for the Application of Gypsum Board 1. This standard is issued under the fixed designation C 514. This standard has been approved for use by agencies of the Department of Defense.. 1.1 This specification covers requirements for steel wire nails suitable for use in the application of gypsum board.. N OTE 1—This specification does not necessarily cover nails for...
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Standard Test Method for. Optimum SO 3 in Hydraulic Cement Using 24-h Compressive Strength 1. This standard is issued under the fixed designation C 563. 1.1 This test method describes the determination of opti- mum SO 3 for maximum 24-h compressive strength by mea- suring the change in strength produced in hydraulic cement mortar as a result of substituting calcium...
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Standard Specification for Gypsum Veneer Plaster 1. This standard is issued under the fixed designation C 587. This standard has been approved for use by agencies of the Department of Defense.. specifically designed as a veneer plaster to be applied over gypsum base for veneer plasters, masonry or concrete surfaces to a maximum thickness of 1 ⁄ 4 in. 1.2...
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Gypsum Base for Veneer Plasters 1. This standard is issued under the fixed designation C 588/C 588M. This standard has been approved for use by agencies of the Department of Defense.. 1.1 This specification covers types of gypsum base that are designed to be used as a base for application of veneer plaster.. The values stated in each system shall...
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Water-Resistant Gypsum Backing Board 1. This standard is issued under the fixed designation C 630/C 630M. This standard has been approved for use by agencies of the Department of Defense.. 1.1 This specification covers water-resistant gypsum back- ing board that is designed primarily to be used as a base for the application of ceramic or plastic tile on walls or...
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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 and health practices and determine the applicability of regulatory limitations prior to use.. 3.1.2 fly ash—the finely divided residue that results from the combustion of ground or powdered...
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This standard has been approved for use by agencies of the Department of Defense.. 1.1 This specification pertains to five classes of blended hydraulic cements for both general and special applications, using slag or pozzolan, or both, with portland cement or portland cement clinker or slag with lime.. Values in SI units shall be obtained by measurement in SI units...