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GB/T 32026-2015 English PDF

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GB/T 32026-2015: Silver coated glass mirror -- Environmental corrosion resistance test methods
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PDF similar to GB/T 32026-2015


Standard similar to GB/T 32026-2015

GB/T 30002   GB/T 38009   GB 31892   GB/T 10810.1   GB/T 32025   

Basic data

Standard ID GB/T 32026-2015 (GB/T32026-2015)
Description (Translated English) Silver coated glass mirror -- Environmental corrosion resistance test methods
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Y89
Classification of International Standard 97.18
Word Count Estimation 13,130
Date of Issue 2015-09-11
Date of Implementation 2016-04-01
Quoted Standard GB/T 5213; GB/T 16545-1996
Regulation (derived from) National Standard Announcement 2015 No.25
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 silvered glass mirror neutral salt spray test (NSS test), copper accelerated acetic acid salt spray test (CASS test) and equipment, reagents and methods of condensed water test. This standard also specifies the evaluation of salt spray corrosion box method. This standard applies to silvered glass mirrors resistance to environmental corrosion test.

GB/T 32026-2015: Silver coated glass mirror -- Environmental corrosion resistance 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.
(Test Method for silvered glass mirror resistance to environmental corrosion) ICS 97.180 Y89 National Standards of People's Republic of China Test Method for silvered glass mirrors resistance to environmental corrosion Issued on. 2015-09-11 2016-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee on Civil decorative mirror (SAC/TC316) centralized. This standard is mainly drafted by. Port of Long Arts Limited, Wo Hop Technology Group Limited. Participated in the drafting of this standard. Shunde quality and technical supervision of standards and codes, Tianjin Sintra color material limited liability Division Jinming Tengzhou City Glass Co., Ltd., Shenzhen City, Yang Jie Glass Co., Ltd. Zhejiang Ding-bath, hot strategy Electronics Shanghai Technology Co., Ltd., Dongguan City Testing Equipment Co., Ltd. One whole. The main drafters of this standard. standard Wang, Xia Weiwen SCENCE thoughtful, Zhang Chongming, Zhou Yaping, Zhao Yang, Lucheng Liang, Tang Shengjun, Xu Dazhong, He Qun. Test Method for silvered glass mirrors resistance to environmental corrosion

1 Scope

This standard specifies the silvered glass mirror neutral salt spray test (NSS test), copper accelerated acetic acid salt spray test (CASS test) and condensate Water testing equipment, reagents and methods. This standard also specifies the evaluation of salt spray corrosion box method. This standard applies to silvered glass mirrors resistance to environmental corrosion test.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 5213 cold-rolled carbon steel sheet and strip Corrosion GB/T 16545-1996 removal of metals and alloys after corrosion test the corrosion products of the metal sample

3 test solution

3.1 Requirements agent 3.1.1 Deionized water The water should be formulated in solution in deionized water, conductivity at 25 ℃ ± 3 ℃ time should be less than 20μs/cm. 3.1.2 Sodium chloride 3.1.2.1 should be of analytical grade or analytical grade purity above the level of sodium chloride. 3.1.2.2 sodium chloride content of copper should be less than 0.001% (mass fraction), the nickel content should be less than 0.001% (mass fraction). Copper and Nickel content by the atomic absorption spectrophotometry or other analytical methods with the same accuracy of measurement. 3.1.2.3 The content of sodium chloride, sodium iodide should be less than 0.1% (mass fraction), the total impurity content should be less than 0.5% (mass fraction). 3.1.2.4 3.1.2.1 and 3.1.2.2 are met in the premise, at 25 ℃ ± 3 ℃ time, pH value measurement if a freshly prepared solution of sodium chloride Still beyond the range 6.0 to 7.0, you should check whether there is water, sodium chloride or other impurities. 3.1.3 Other reagents Other reagents were of analytical grade purity or above the level of analytical reagent should be used. Preparation of the test solution 3.2 NSS 3.2.1 sodium chloride solution preparation At a temperature of 25 ℃ ± 3 ℃ environment, the sodium chloride is dissolved in water to prepare an initial concentration of 50g/L ± 5g/L sodium chloride Solution. 3.2.2 sodium chloride solution, initial concentration and initial pH value adjustment 3.2.2.1 General requirements Adjust the initial concentration of sodium chloride solution and the initial pH value of the spray solution of sodium chloride salt spray chamber to collect concentration and pH and Regulation

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