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BSI BS EN ISO 9455-16:2019

Soft soldering fluxes. Test methods -- Flux efficacy test, wetting balance method
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BSI BS EN ISO 9455-16:2019

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

PUBLISH DATE 2019
PAGES 26
BSI BS EN ISO 9455-16:2019

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.

SDO BSI: British Standards Institution
Document Number ISO 9455-16
Publication Date Nov. 6, 2019
Language en - English
Page Count
Revision Level
Supercedes
Committee EPL/501
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