ES332068A1 - Procedure for the cleaning and phosphatation of metal surfaces. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the cleaning and phosphatation of metal surfaces. (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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Priority to ES0332068ApriorityCriticalpatent/ES332068A1/en
Publication of ES332068A1publicationCriticalpatent/ES332068A1/en
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods
(AREA)
Abstract
Process for cleaning and phosphating metal surfaces, (preferably iron and steel surfaces), characterized by applying a solution containing alkaline phosphates, perborates and humectants to metal surfaces at temperatures of 30 to 95º C, as well as possibly phosphoric acid, and having a pH of 3 to 6 and leaving it in contact with the metal surface until a coating has formed. (Machine-translation by Google Translate, not legally binding)
ES0332068A1966-10-071966-10-07Procedure for the cleaning and phosphatation of metal surfaces. (Machine-translation by Google Translate, not legally binding)
ExpiredES332068A1
(en)
Procedure for the treatment of metal parts with views to its cold transformation without change of chip. (Machine-translation by Google Translate, not legally binding)
Perfections for the treatment of metal surfaces to form on them a lubricating covering used for a metal shape operation. (Machine-translation by Google Translate, not legally binding)