GB/T 4909.9-2009 Active National standards

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

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

Publish Date: 2009-03-19 Implement Date: 2009-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 4909.9-2009
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: \nBare wires
ICS Name: Wire
Publish Date: 2009-03-19
Implement Date: 2009-12-01
Pages: 4 pages

Scope

This part of GB/T 4909 specifies the test equipment, sample preparation, measurement steps, test results, and evaluation for the continuity test of plating layers using the sodium polysulfide method.
This part is applicable to inspecting the continuity of metal plating layers on the surface of copper conductors in wires and cables (such as tin, silver, and nickel plating layers, etc.).
This part is equivalent to GB/T 4909.10-2009, but regardless of the method used, the requirements for metal plating layers specified in the product standard should be met.
This part should be used in conjunction with GB/T 4909.1-2009.

Development Information

Word Count: 6 Thousand words Pages: 4 pages

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