GB/T 4547-2007 English PDF

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GB/T 4547-2007: Glass containers -- Test methods of the thermal shock resistance and thermal shock endurance
Status: Valid

GB/T 4547: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4547-2007	134	Add to Cart	3 days	Glass containers -- Test methods of the thermal shock resistance and thermal shock endurance	Valid
GB/T 4547-1991	199	Add to Cart	2 days	Glass containers--Thermal shock resistance and thermal shock endurance--Test methods	Obsolete

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Basic data

Standard ID: GB/T 4547-2007 (GB/T4547-2007)
Description (Translated English): Glass containers -- Test methods of the thermal shock resistance and thermal shock endurance
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y22
Classification of International Standard: 55.100
Word Count Estimation: 7,729
Date of Issue: 2007-12-05
Date of Implementation: 2008-09-01
Older Standard (superseded by this standard): GB/T 4547-1991
Adopted Standard: ISO 7459-2004, IDT
Regulation (derived from): National Standard Approval Announcement 2007 No.13 (Total No.113)
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 the thermal shock resistance and thermal shock glass containers endurance test methods. This standard does not apply to the determination of laboratory glassware (see ISO 718) is used.

GB/T 4547-2007: Glass containers -- Test methods of the thermal shock resistance and thermal shock endurance

---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.
Glass containers. Test methods of the thermal shock resistance and thermal shock endurance ICS 55.100 Y22 National Standards of People's Republic of China GB/T 4547-2007/ISO 7459.2004 Replacing GB/T 4547-1991 Glass container Thermal shock resistance and thermal shock endurance - Test methods (ISO 7459.2004, 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 7459.2004 "Glass containers - Thermal shock resistance and thermal shock endurance - Test methods." For ease of use, this standard made the following editorial changes. --- "This International Standard" be replaced by "this standard"; --- Delete international standards foreword. This standard replaces GB/T 4547-1991 "Glass containers - Thermal shock resistance and thermal shock endurance - Test methods." This standard compared with GB/T 4547-1991, major changes in the technical content as follows. --- This standard is not measured for laboratory glassware; --- Test sample from the heat sink into the cold water tank by the time more than 15s ± 1s to 16s; --- Chapter 8 increased safety requirements. The standard proposed by China National Light Industry Council. This standard daily glass enamel by the National Standardization Center. This standard was drafted. National Optical Glass Enamel Products Quality Supervision and Inspection Center, Donghua University. The main drafters of this standard. Sang Yi, Zhang , Guo Lin. This standard replaces the standards previously issued as follows. --- GB 4547-1984, GB/T 4547-1991. GB/T 4547-2007/ISO 7459.2004 Glass container Thermal shock resistance and thermal shock endurance - Test methods

1 Scope

This standard specifies the determination of thermal shock resistance and thermal shock glass container durability test methods. This standard does not apply to the determination of laboratory glassware (see ISO 718) is used.

2 Terms and definitions

The following terms and definitions apply to this standard. 2.1 Usually it refers to glass bottles and jars. 2.2 The container by sudden temperature changes. 2.3 Container capacity of thermal shock without breakage, expressed in degrees Celsius. 2.4 Thermal shock value obtained by extrapolation within about 50% of container damaged when.

3 devices

3.1 cold sink Water bath or tank, to accommodate in a trial test per kg of water glass at least 8dm3. Shall be equipped with a water circulator, a (22 ± 5) ℃ (see Note 6.3). 3.2 heat sink Water bath or tank, to accommodate in a trial test per kg of water glass at least 8dm3. Shall be equipped with a water circulator, a 3.3 basket Basket from the container without damaging the inert material or coated with an inert material. Keep container upright and the basket can be separated and equipped with perforated mesh Cover the container to prevent the submerged float. To make container trial, basket can be connected to an automatic control device to make the container with the Basket immersed in hot water bath (3.2) and make it into the cold water bath (3.1).

4 sampling

According to a predetermined number of containers tested. Container used for the test should not be subjected to any other mechanical or thermal test test adversely affect their thermal shock resistance. Samples should be selected to provide information necessary for special tests. GB/T 4547-2007/ISO 7459.2004 ......

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