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《玻璃熔窑用致密锆英石砖》外文版

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    • 1、ICS81.080Q 44JCBuilding Materials Industry Standard of the Peoples Republic of China JC/T 4952013 Replace JC/T 495-1992(96)Dense zircon brick for glass furnace玻璃熔窑用致密锆英石砖(English Translation)Issue date:20XX - XX - XX Implementation date:20XX - XX - XX Issued by Ministry of Industry and Information Technology of the Peoples Republic of ChinaJC/T 4952013ForewordChina Building Materials Federation is in charge of this English translation. In case of any doubt about the contents of English translati

      2、on, the Chinese original shall be considered authoritative.This standard is drafted in accordance with the rules given in GB/T 1.1-2009.This standard replaces the JC/T 495-1992 (96) Dense zircon brick for glass furnace in whole. In addition to a number of editorial changes, the following technical deviations have been made with respect to the JC/T 495-1992 (96) Dense zircon brick for glass furnace.Modify the original two brands to five brands(Refer to 4.1, 1992 (96) edition 3.1);Modify the corre

      3、sponding ZrO2, SiO2, Fe2O3, bulk density, apparent porosity, cold compressive strength, refractoriness under load(Refer to 5.1, 1992 (96) edition 4.1);Add the index of TiO2(Refer to 5.1);Modify the permissible deviation in dimension and the appearance quality of zircon brick (Refer to 5.2, 1992 (96) edition 4.2);Rename label, packaging, transportation and storage to label, packaging, transportation, storage and quality certificate, simplify the content reasonably (Refer to chapter 8, chapter 7 o

      4、f 1992 (96) edition);This standard was proposed and prepared by China Building Materials Federation.The previous editions of JC/T 4952013 Dense zircon brick for glass furnace are as follows:JC/T 4951992 (96).IJC/T 4952013Dense zircon brick for glass furnace1 ScopeThis standard specifies the terminology and definition, classification, shape and dimension, technical requirements, test methods, inspection regulation, packaging, marking, transportation and storage, and certificates of quality of den

      5、se zircon bricks for glass furnaces (Hereinafter referred to as zircon brick).This standard is applicable to the dense zircon brick for glass furnace which are made of zircon sand fired at high temperature by isostatic pressing, mechanical pressing or other process.2 Normative referencesThe following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. The latest version of all non-dated reference docume

      6、nts (including all amendments) is applicable to this document.GB/T 2997 Test method for bulk density, apparent porosity and true porosity of dense shaped refractory productsGB/T 4984 Chemical analysis of refractories containing zirconiaGB/T 5072 Refractories-Determination of cold compressive strengthGB/T 7321 Sample preparation for testing of shaped refractory productsGB/T 10326 Shaped refractory products inspections of dimension, appearance and sectionGB/T 16546 Shaped refractory products-Packi

      7、ng, marking, transportation and storageGB/T 18930 Terminology for refractoriesGB/T 21114 Chemical analysis of refractory products by XRFFused cast bead methodJC/T 806 Method for static for corrosion resistance of refractories of glass melting furnace to molten glassYB/T 370 Test method for refractoriness under load of refractory products (non-differential, with rising temperature)3 Terms and definitionsGB/T 18930 and the following terms and definitions apply to this document.3.1 Zircon brickZirc

      8、on brick is a refractory product whose main component is zircon (ZrO2SiO2).4 Classification, shape and dimensions4.1 Zircon brick is divided into ZS-G high-dense zircon brick, ZS-Z dense zircon brick, ZS-65A machine-pressed zircon brick, ZS-65B machine-pressed zircon brick, ZS-63 machine-pressed zircon brick according to the production process and physical and chemical properties. Among them, ZS represents zircon brick, G represents high densification, and Z represents densification.4.2 The shap

      9、e and dimensions of zircon bricks are made according to the requirements of the drawings.5 Technical requirements5.1 The physical and chemical properties of zircon brick shall conform the requirements of Table 1.Table 1 The physical and chemical properties of zircon brickItemIndexZS-GZS-ZZS-65AZS-65BZS-63Bulk density /(g/cm3) 4.304.103.70 3.60 3.55 Apparent porosity /% 111171920Cold compressive strength /MPa 3002001008060Refractoiness under load T0.6/ 1700170016801650 1600Static corrosion resistance /(mm/24h) (Alkali free glass, 150048h)Provide the measured dataChemical composition/%ZrO2 65

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