ES316775A1 - Procedure for the no-current precipitation of copper-tined layers. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the no-current precipitation of copper-tined layers. (Machine-translation by Google Translate, not legally binding)
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Gerhard Collardin GmbH
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Gerhard Collardin GmbH
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Publication of ES316775A1publicationCriticalpatent/ES316775A1/en
Procedure for the precipitation without current of copper-tin layers, on iron and steel surfaces, characterized by treating the metal surface with an acidic or neutral solution containing the sulfates of copper and divalent tin in the weight ratio CuSO4.5H2O:SnSO4 from 1.8: 1 to 1: 2, plus 0.01 to 0.15% by weight of polyamino-polycarboxylic acid. (Machine-translation by Google Translate, not legally binding)
ES0316775A1964-08-171965-08-16Procedure for the no-current precipitation of copper-tined layers. (Machine-translation by Google Translate, not legally binding)
ExpiredES316775A1
(en)
A method of passivating a metal surface, to reduce the possibility of corrosión of such surfaces when they are exposed to the atmosphere. (Machine-translation by Google Translate, not legally binding)