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GB/T 6579-2007 English PDF

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GB/T 6579-2007: Laboratory glassware -- Thermal shock and thermal shock endurance test methods
Status: Valid

GB/T 6579: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 6579-2007English114 Add to Cart 3 days [Need to translate] Laboratory glassware -- Thermal shock and thermal shock endurance test methods Valid GB/T 6579-2007
GB/T 6579-1986English199 Add to Cart 3 days [Need to translate] Laboratory glassware--Methods for thermal shock test Obsolete GB/T 6579-1986

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Basic data

Standard ID GB/T 6579-2007 (GB/T6579-2007)
Description (Translated English) Laboratory glassware -- Thermal shock and thermal shock endurance test methods
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard N64
Classification of International Standard 81.040.01
Word Count Estimation 6,611
Date of Issue 2007-12-05
Date of Implementation 2008-09-01
Older Standard (superseded by this standard) GB/T 6579-1986
Adopted Standard ISO 718-1990, IDT
Regulation (derived from) China Announcement of Newly Approved National Standards No. 13 of 2007 (No. 113 overall)
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 the determination of laboratory glassware thermal shock and thermal shock strength test methods and procedures. This standard does not apply to soda lime silica glass instruments and glass containers. Soda-lime glass container thermal shock test method according to GB/T 4547.

GB/T 6579-2007: Laboratory glassware -- Thermal shock and thermal shock endurance test methods

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Laborator glassware. Thermal shock and thermal shock endurance test methods ICS 81.040.01 N64 National Standards of People's Republic of China GB/T 6579-2007/ISO 718.1990 Replacing GB/T 6579-1986 Laboratory glassware Test methods for thermal shock strength and thermal shock (ISO 718.1990, IDT) Posted 2007-12-05 2008-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is identical with ISO 718.1990 "Laboratory glassware thermal shock and thermal shock strength test method", is only for a small amount of editing Modifications, with the same technical content. This standard replaces GB/T 6579-1986 "laboratory glassware thermal shock test method." This standard and GB/T 6579-1986 compared to the main changes are as follows. --- The name was changed to the standard "laboratory glassware thermal shock and thermal shock strength test method"; --- Deleting the contents of the original standard Method A; --- Original standard content Method B and Method C combined; --- Increasing the terms and definitions, impact strength test procedures, and test results are shown representation reported. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee Instrument glass. This standard was drafted. Glass National Light Industry Product Quality Supervision and Inspection Center. The main drafters of this standard. He Ruiling, Cui long wide, Du Yuhai. This standard replaces the standards previously issued as follows. --- GB/T 6579-1986. GB/T 6579-2007/ISO 718.1990 Laboratory glassware Test methods for thermal shock strength and thermal shock

1 Scope

This standard specifies the determination of laboratory glassware thermal shock and thermal shock strength test methods and procedures. This standard does not apply to equipment and quartz glass soda lime glass containers. Hot soda lime glass container impact test method according to GB/T 4547.

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 4547 Glass containers - Thermal shock resistance and thermal shock endurance - Test methods (GB/T 4547-2007, ISO 7459.2004, IDT)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Laboratory glassware abrupt temperature changes during the application. 3.2 By 50% within the linear regression sample rupture temperature corresponding to the difference between the obtained difference. 3.3 At any time, any other difference between the temperature inside the center and work space cold sink and oven test workspace a little. 3.4 The temperature at any point within the cold water bath and oven test in a short time the working space.

4 Device

4.1 cold sink Capacity is at least five times the total volume of a test sample, the sink should be equipped with a stirrer, a thermometer and a thermostat controller to ensure that the temperature (lower limit Note. The total volume of the sample refers to each sample as a solid body, the sum of all the sample volume. 4.2 test oven At least up to a temperature of 300 ℃. It should be equipped with air circulation device, to ensure that the temperature does not exceed ± 5 ℃; at the same time should be equipped with temperature control Is to ensure that the test oven in the following 180 ℃, temperature fluctuations within ± 1 ℃, at 180 ℃ ~ 300 ℃, the temperature fluctuates ± 2 ℃ GB/T 6579-2007/ISO 718.1990

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