

E. Krieg GmbH
Rutesheimer Straße 2
70499 Stuttgart-Weilimdorf
Telefon: +49 711 139951 0
Telefax: +49 711 139951 12

Very thin, passivating, adhesion-promoting, fine-crystalline protective layer that is created by treatment with phosphoric-acid solution. This process follows degreasing baths and is finished with deionized water baths. This process plays a significant role because traces of soluble salts cause blistering.