GB/T 4909.9-2009 English PDF

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GB/T 4909.9-2009: Test methods for bare wires -- Part 9: Test for continuity of coating -- Sodium polysulfide solution method
Status: Valid

GB/T 4909.9: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4909.9-2009	149	Add to Cart	2 days	Test methods for bare wires -- Part 9: Test for continuity of coating -- Sodium polysulfide solution method	Valid
GB/T 4909.9-1985	199	Add to Cart	2 days	Test methods for bare wires--Test for continuity of coating--Sodium polysufide solution method	Obsolete

Similar standards

GB/T 4910   GB/T 5585.1   GB/T 5585.2   GB/T 4909.1   GB/T 4909.12   GB/T 4909.11   

Basic data

Standard ID: GB/T 4909.9-2009 (GB/T4909.9-2009)
Description (Translated English): Test methods for bare wires -- Part 9: Test for continuity of coating -- Sodium polysulfide solution method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K11
Classification of International Standard: 29.060.10
Word Count Estimation: 5,521
Date of Issue: 2009-03-19
Date of Implementation: 2009-12-01
Older Standard (superseded by this standard): GB/T 4909.9-1985
Quoted Standard: GB/T 4909.1-2009; GB/T 4909.10-2009
Regulation (derived from): Announcement of Newly Approved National Standards No. 3, 2009 (No. 143 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 method of continuity of coating polysulfide test equipment, sample preparation, measurement procedures, test results and evaluation and so on. This section applies to test wire and cable copper conductor surface metal coating (such as tin, silver, nickel, etc.) continuity. This section and GB/T 4909. 10-2009 having equivalent effect, but no matter what method should be to meet product standards requirements for metal coatings shall prevail. This part should GB/T 4909. 1-2009 together.

GB/T 4909.9-2009: Test methods for bare wires -- Part 9: Test for continuity of coating -- Sodium polysulfide solution method

---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 methods for bare wires Part 9. Test for continuity of coating Sodium polysulfide solution method ICS 29.060.10 K11 National Standards of People's Republic of China Replacing GB/T 4909.9-1985 Test methods for bare wires Part 9. Test for continuity of coating method --- sodium polysulfide Posted 2009-03-19 2009-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 4909 "Test methods for bare wires" is divided into twelve parts. --- Part 1. General; --- Part 2. size measurement; --- Part 3. Tensile test; --- Part 4. torsion test; --- Part 5. --- bending test repeated bending; --- Part 6. bending test --- unidirectional bending; --- Part 7. winding test; --- Part 8. --- Brinell hardness test method; --- Part 9. continuity of coating --- more sodium sulfide; --- Part 10. Test for continuity of coating --- ammonium persulfate law; --- Part 11. Coating adhesion test; --- Part 12. solderability test methods --- balls. This section GB/T 94909 Part of. This Part replaces GB/T 4909.9-1985 "Test methods for bare wires - Test for continuity of coating more sodium sulfide." Section compared with the GB/T 4909.9-1985 The main changes are as follows. --- According to GB/T 1.1-2000 requirements, and on the formatting has been modified, and the part of the text has been modified; --- Added "Normative References" chapter (1985 edition no; Chapter 2 of this edition); --- Revised pre-treated with an organic solvent, and clearly the requirements for sulfur reagent (1985 Version 2.2.3; Chapter 3 of this edition). This part is proposed by the China Electrical Equipment Industrial Association. This part of the National Standardization Technical Committee Wire and Cable (SAC/TC213) centralized. This section is drafted. Shanghai Electric Cable Research Institute, Shenzhen, China Cable Co., Ltd., Wuxi Jiangnan Cable Co., Ltd., Henan Electric Mastery Cable Co., Ltd., Jiang Su Shengan Cable Co., Ltd., Kunming Cable Co., Ltd., Baosheng Science and Technology Innovation Co., Ltd., Shanghai Yalong workers Industry Co., Ltd. and Hunan Xiang can electrician. Drafters of this section. Lu Sheng Ye, Xing Hai Yong, Zhang Peng, Zhang Chuan Province, Shiwan Fu, Sun Ping, HE Wen Jun, Zhang Hui Jiang, Li Bin, Wu Xue-yu. This part of the standard replaces the previous editions are. --- GB/T 4909.9-1985. Test methods for bare wires Part 9. Test for continuity of coating method --- sodium polysulfide

1 Scope

GB/T 4909 provisions of this part of the test equipment and more sodium sulfide coating continuity test, sample preparation, measurement procedures, test results Evaluation of fruit and the like. This section applies to test wire and cable copper conductor surface of the metal layer (such as tin, silver, nickel layer or the like) continuity. This portion of the GB/T 4909.10-2009 having equivalent effect, but no matter what method should meet product standards for metal plating Provisions layer requirements shall prevail. This section should be used in conjunction with the GB/T 4909.1-2009.

2 Normative references

The following documents contain provisions which, through reference to GB/T 4909 to the present, constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 4909.1-2009 Test methods for bare wires - Part 1. General GB/T 4909.10-2009 Test methods for bare wires - Part 10. Test for continuity of coating method --- ammonium persulfate

3 Test Equipment

--- Glass cylinder 250mL; --- Chemically pure hydrochloric acid; --- Sodium sulfide chemically pure; --- Sulfur chemically pure; --- Ethanol or diethyl ether.

4 Sample Preparation

4.1 Sampling Samples shall be eight units of product packaging (circle or disc), with a length of about 150mm interception of a sample from each of a packaging unit. 4.2 Pretreatment The sample is immersed in an appropriate organic solvent such as ethanol or ether like cleaning, at least 3min. After removal with a clean soft cloth to wipe dry. The sample was pretreated in a clean container, waiting for trial. While handling the sample should not touch the sample is immersed in the test solution That section, and pay attention to prevent damage to the surface of the specimen.

5 test procedure

5.1 Preparation of the hydrochloric acid solution Diluted chemically pure hydrochloric acid and distilled water, the resulting solution of hydrochloric acid at 16 ℃ when the specific gravity test was 1.088. Hydrochloric acid solution (180 mL of) tinned copper for each test in Table 1, after a predetermined number of samples immersed two cycles, the loss should be Aging treatment. ......

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