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GB 15763.4-2009 PDF English

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GB 15763.4-2009: Safety glazing materials in building -- Part 4: Heat soaked thermally tempered glass
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GB 15763.4-2009150 Add to Cart Auto, 9 seconds. Safety glazing materials in building -- Part 4: Heat soaked thermally tempered glass Valid

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GB 15763.3   GB 15763.2   GB/T 45925   

GB 15763.4-2009: Safety glazing materials in building -- Part 4: Heat soaked thermally tempered glass


---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB15763.4-2009
ICS 81.040.20 Q 33 GB NATIONAL STANDARD Safety glazing materials in building - Part 4.Heat soaked thermally tempered glass Issued on. MARCH 28, 2009 Implemented on. MARCH 01, 2010 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China; Standardization Administration Committee of the People’s Republic of China

Table of Contents

Foreword... 3 Introduction... 5 1 Scope... 6 2 Normative References... 6 3 Terms and definitions... 6 4 General principle... 7 5 Requirements... 7 6 Test methods... 9 7 Inspection rules... 10 8 Marking... 13 9 Packaging, transportation and storage... 13 Annex A (Normative) Heat soak process cycle and system... 14 Annex B (Normative) Bending strength test method... 18 Annex C (Informative) Heat soak process system calibration test... 21

Foreword

Article 5.5, 5.6 and 5.7 in this Part are mandatory, the rest are recommendatory. GB 15763 Safety glazing materials in building consists of four parts. — Part 1.Fire-resistant glass; — Part 2.Tempered glass; — Part 3.Laminated glass; — Part 4.Heat soaked thermally tempered glass. This is part 4 of GB 15763. This Part is not equivalent to EN 14179-1.2005 Glass in building - Heat soaked thermally toughened soda lime silicate safety glass - Part 1.Definition and description. Annex A and Annex B of this Standard are normative; Annex C is informative. This Standard was proposed by China Building Materials Federation. This Standard shall be under the jurisdiction of National Technical Committee on Glass in Building of Standardization Administration of China. The responsible drafting organization is China Building Material Test & Certification Center. The participate drafting organizations are Guangdong Golden Glass Technologies Ltd, Zhejiang Hehe Holding Group Co., Ltd, CSG Holding Co., Ltd, Shanghai Yaohua Pilkington Glass Group Co., Ltd, Jiangsu Xiuqiang Glasswork Co., Ltd, Shenzhen Sanxin Special Glass Technology Co., Ltd, Beijing Wuhua Tianbao Glass Co., Ltd, Zhejiang Zhongli Holding Group., Ltd, Jiangmen Yinhui Safety Glass Co., Ltd, Shenzhen Handong Glass Machinery Co., Ltd, and Wuxi Dayang Glass Decoration Engineering Co., Ltd. The chief drafting staffs of this standard. Wang Rui, Shi Xinyong, Chen Lu, Xiao Pengjun, Xia Weiwen, Ai Fazhi, Sun Dahai, Zhou Jian, Wu Congzhen, Long Linxing, Lyu Hao, Chen Xinsheng, Yang Hongbin, Sheng Songjun, He Changdu, Wang Wenbiao, Sui Chaoying, Wang Jingjing, and Zhang Jianhua. This Part is issued for the first time.

1 Scope

This Part specifies the terms and definitions, general provisions, requirements, test methods, inspection rules, marking, packaging, transportation and storage of heat soaked thermally tempered glass for building. This Part of GB15763 applies to heat soaked thermally tempered glass in building. For those heat soaked thermally tempered glass not-used in building (e.g. industrial equipment, furniture, etc.), this standard may be served as reference if there is no corresponding product standard.

2 Normative References

The articles contained in the following documents have become part of this standard when they are quoted herein. For the dated documents so quoted, all the modifications (excluding corrections) or revisions made thereafter shall not be applicable to this Standard. For the undated documents so quoted, the latest editions shall be applicable to this Standard. GB 15763.2 Safety glazing materials in building - Part 2.Tempered glass

3 Terms and definitions

For the purpose of this Part, following terms and definitions apply.

4 General principle

The quality of glass for production of heat soaked thermally tempered glass shall comply with the appropriate product standards.

5 Requirements

The performance and test methods for heat soaked thermally tempered glass shall be in accordance with those specified in Table 1. 5.1 Dimension and permissible deviation It shall be in accordance with those specified in GB 15763.2. 5.2 Thickness and permissible deviation It shall be in accordance with those specified in GB 15763.2. 5.7 Impact property of shot-bag It shall be in accordance with those specified in GB 15763.2. 5.8 Surface stress It shall be in accordance with those specified in GB 15763.2. 5.9 Heat shock resistance It shall be in accordance with those specified in GB 15763.2. 5.10 Bending strength (four-point bending method) With 95% confidence interval and 5% probability of damage, the bending stress of heat soaked thermally tempered glass shall meet the requirements in Table 2.

6 Test methods

6.1 General principle The inspection or measurement of size, thickness, appearance, bending, fragment state and surface stress shall be conducted with samples of finished products of heat soaked thermally tempered glass. 6.2 Dimension inspection It shall be in accordance with those specified in GB 15763.2. 6.3 Thickness inspection It shall be in accordance with those specified in GB 15763.2. 6.4 Appearance quality inspection It shall be in accordance with those specified in GB 15763.2. 6.5 Measurement of bending It shall be in accordance with those specified in GB 15763.2. 6.10 Heat shock resistance performance It shall be in accordance with those specified in GB 15763.2. 6.11 Bending strength (Four-point bending) Testing according to annex B, and calculating the bending strength.

7 Inspection rules

7.1 Inspection items The inspection is classified into exit-factory inspection and type inspection. 7.1.1 Exit-factory inspection Inspection items are thickness and its deviation, appearance quality, size and its deviation, and bending of heat soaked thermally tempered glass. Other test items shall be determined by the Supplier and the Purchaser through negotiation. 7.2 Exit-factory inspection batch and sampling method 7.2.1 Thickness and its deviation, appearance quality, size and its deviation, and bending, of the product are subject to random sampling according to Table 3. 7.3 Type inspection batch and sampling method 7.3.1 For other technical performances required by type inspection, if product inspection is used, random sampling shall be made from this batch of heat soaked thermally tempered glass products based on the number required by the test items; if samples are used for inspection, the heat soaked thermally tempered samples under the same process conditions shall be used. When the number of products of this batch is greater than 1,000, sampling shall be made based on 1,000 as a batch; when the test item is a non-destructive test, it can use the sample to continuously test other items. 7.4 Determining criterion 7.4.1 For inspection of thickness and its deviation, appearance quality, size and its deviation, and bending, if the number of nonconforming products is equal to or greater than the base number of nonconforming products in Table 3, it is deemed as unqualified. 7.4.2 Make judgment according to those specified in GB 15763.2 when carrying on impact resistance testing. 7.4.3 Make judgment according to those specified in GB 15763.2 when carrying on fragment state testing. 7.4.7 For bending strength (four-point bending method) test, when the samples are all in line with the requirements, this item is pass. 7.4.8 If one of the above inspection items is unqualified, the products of this batch are deemed as unqualified.

8 Marking

"Heat soaked thermally tempered glass" or "HST" shall be marked on the glass or on the minimum package.

9 Packaging, transportation and storage

Packaging, transportation and storage shall be in accordance with those specified in GB 15763.2. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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