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About This Item

 

Full Description

This document specifies a method for the assessment of the efficacy of a soft soldering flux, known as the wetting balance method. It gives a qualitative assessment of the comparative efficacy of two fluxes (for example, a standard and a test flux), based on their capacity to promote wetting of a metal surface by liquid solder. The method is applicable to all flux types in liquid form classified in ISO 9454-1.

NOTE It is hoped that future developments using improved techniques for obtaining a reproducible range of test surfaces will enable this method for assessing flux efficacy to be quantitative. For this reason, several alternative procedures for preparing the surface of the test piece are included in the present method.

Cross References:
IEC 60068-2-78:2012
IEC 60068-2-20:2008
IEC 60068-2-69
ISO 9454-1
ISO 9453


All current amendments available at time of purchase are included with the purchase of this document.
 

Document History

  1. BS EN ISO 9455-16:2019

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    Soft soldering fluxes. Test methods-Flux efficacy test, wetting balance method

    • Most Recent
  2. BS EN ISO 9455-16:2013


    Soft soldering fluxes. Test methods-Flux efficacy test, wetting balance method

    • Historical Version
  3. BS 11/30213136 DC


    BS EN ISO 9455-16. Soft soldering fluxes. Test methods. Part 16. Flux efficacy test, wetting balance method

    • Historical Version
  4. BS EN ISO 9455-16:2001


    Soft soldering fluxes. Test methods-Flux efficacy tests, wetting balance method

    • Historical Version