Non-Corrosive Fluxes—Evaluation of Spread and Corrosion Properties

H. Sohl

doi:10.1520/STP44112S

SYMPOSIA PAPER Published: 01 January 1957

STP44112S

Non-Corrosive Fluxes—Evaluation of Spread and Corrosion Properties

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Solder fluxes were at one time divided into two classifications: noncorrosive and corrosive. The noncorrosive fluxes generally were composed of different types of natural rosins, while the corrosive fluxes contained zinc chloride (ZnCl₂), ammonium chloride (NH₄Cl), and hydrochloric acid (HCl), either separately or in various combinations. This situation existed until the period between 1940 and 1950 when there developed a need for an essentially noncorrosive flux with better solder flowing characteristics than those obtainable with plain rosin.

Author Information

Sohl, H., C.

Federated Metals Division, Am. Smelting and Refining Co., South Plainfield, N. J.

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Details

Developed by Committee: B02

Pages: 81–88

DOI: 10.1520/STP44112S

ISBN-EB: 978-0-8031-5938-9

ISBN-13: 978-0-8031-6092-7

Non-Corrosive Fluxes—Evaluation of Spread and Corrosion Properties

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