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GB/T 14983-2008 English PDF

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GB/T 14983-2008: Refractory products -- Determination of alkali-resistance
Status: Valid

GB/T 14983: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 14983-2008English209 Add to Cart 3 days [Need to translate] Refractory products -- Determination of alkali-resistance Valid GB/T 14983-2008
GB/T 14983-1994English239 Add to Cart 2 days [Need to translate] Test method for alkali-resistance of refractories Obsolete GB/T 14983-1994

PDF similar to GB/T 14983-2008


Standard similar to GB/T 14983-2008

GB/T 16546   GB/T 15545   GB/T 17617   GB/T 22459.10   GB/T 22459.9   GB/T 17105   

Basic data

Standard ID GB/T 14983-2008 (GB/T14983-2008)
Description (Translated English) Refractory products -- Determination of alkali-resistance
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Q40
Classification of International Standard 81.080
Word Count Estimation 9,992
Date of Issue 2008-06-03
Date of Implementation 2008-12-01
Older Standard (superseded by this standard) GB/T 14983-1994
Quoted Standard GB/T 5072; GB/T 7321; GB/T 8170; GB/T 10325; GB/T 16839.1; GB/T 16839.2; GB/T 17617; GB/T 18930
Regulation (derived from) National Standard Approval Announcement 2008 No.9 (Total No.122)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies test methods for anti- refractory basic principles, test procedures, , evaluation of results and test report specimen, equipment. This standard applies to the determination of alkaline resistant refractories.

GB/T 14983-2008: Refractory products -- Determination of alkali-resistance

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Refractory products. Determination of alkali-resistance ICS 81.080 Q40 National Standards of People's Republic of China Replacing GB/T 14983-1994 Test methods for basic refractories Posted 2008-06-03 2008-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 14983-1994 "Standard Test Method for basic refractories." This standard and GB/T 14983-1994 main differences are as follows. --- Eliminated by alkali to evaluate the rate of change of the line before and after the alkali resistance of the way; --- Increased widely melting crucible method alkali alkali resistance test method; --- Increase applicable to strong alkali-resistant refractory coating method molten alkali buried alkali resistance test methods. This standard by the National Standardization Technical Committee Refractories and centralized. This standard was drafted. Sinosteel Luoyang Institute of Refractories, Gongyi refractory Mastery Zhongyuan Technology Co., Ltd. Shanxi Xixiaoping resistance Fire Material Co., Ltd. The main drafters of this standard. Xiu-Fang Wang, Zhang Yi, Zhu Lihui, Wang Wenwu, Li Xianming, Kang Huarong, Haoliang Jun, Zhang Deyi. This standard supersedes the previous release version of the case. --- GB/T 14983-1994. Test methods for basic refractories

1 Scope

This standard specifies the test methods for anti-alkaline refractory principles, equipment, samples, test procedures, evaluation of results and test report. This standard applies to the determination of basic refractories.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 5072 Refractory cold crushing strength GB/T 7321 sample preparation method shaped refractory products GB/T 8170 numerical rounding rules GB/T 10325 Shaped refractory products - Sampling and acceptance testing GB/T 16839.1 Part 1 thermocouple indexing table GB/T 16839.2 thermocouple Tolerance Part 2 GB/T 17617 refractory raw materials and monolithic refractories sampling GB/T 18930 refractory term

3 Terms and Definitions

Terms and definitions GB/T 18930 apply to this standard established. 4 1 (alkali vapor method) This method is applicable to the determination of anti-alkaline shaped refractory products. 4.1 Principle At a temperature of 1100 ℃, potassium carbonate (K2CO3) and charcoal produced by the reaction of alkali vapor sample of refractory erosion occurs, generating New alkali metal silicate and carbonate compound, the material property change. 4.2 Equipment and Materials 4.2.1 Test Furnace, alkali horizontal furnace test (see Figure 1), the maximum heating temperature was 1300 deg.] C, the furnace diameter not less than 110mm, Paul During the warm temperature zone length not less than 100mm, the temperature difference is not greater than ± 10 ℃. 4.2.2 Temperature measurement and control device 4.2.2.1 Temperature measurement with thermocouple protection tube. Thermocouples should be consistent with GB/T 16839.1 and GB/T 16839.2 requirements. 4.2.2.2 temperature control system should be able to heat up according to the procedure prescribed. 4.2.3 graphite crucible, an inner diameter of 80mm, a wall thickness of 5mm, high 80mm. Crucible cover and crucible coarse threaded connections. 4.2.4 electric oven. 4.2.5 vernier caliper or other measuring accuracy of 0.1mm. 4.2.6 scales, dividing the value of 0.1g. 4.2.7 Reagents, when charcoal powder particle size less than 2.0mm, must first bake at 150 ℃ 30min. Potassium carbonate (K2CO3) is chemically pure, both

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