PICKLING AGENTS FOR CAST

Brand Owner Address Description
NEACID DEGUDENT GMBH Rodenbacher Chaussee 4 Hanau-Wolfgang 63457 Germany PICKLING AGENTS FOR CAST AND SOLDERED OBJECTS OF NOBLE METALS;PICKLING APPARATUS FOR METAL FOR USE IN INDUSTRY AND DENTAL PURPOSES;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. A process for pickling martensitic or ferritic stainless steel, preferably in the form of wires, tubes or rods, wherein the stainless steel is placed in contact with a pickling solution which has a temperature in the range 15 to 29° C. and contains 50 to 120 g/l of free sulfuric acid, 5 to 40 g/l of free HF and 5 to 40 g/l of Fe(III) ions. Such pickling may be incorporated into a sequential process, wherein the stainless steel is a) subjected to a treatment during which the oxidic coating is applied, preferably sand-blasting or metal-blasting, treatment with a molten salt or treatment with an aqueous permanganate/alkali metal hydroxide solution, b) pickled in accordance with the aforedescribed process, and c) post-treated with a passivating solution.