[Arvid] is using the traditional method of etching away copper, just some ferric chloride and a bit of time. How he’s masking the copper that shouldn’t be etched away is a unique process we ...

4) The copper (II) and iron (II) ions in solution are then free to glom onto all those ... of chloride ions from hydrochloric acid effectively resets the etching solution, restoring the cupric ...

BREA, Calif., April 25, 2025 /PRNewswire/ -- Ormco™ Corporation, a global leader in orthodontic solutions for over 60 years, is thrilled to announce the modernization of the commonplace adhesive ...

The Los Angeles County Sheriff’s Department is working to prevent these thefts by providing free etching on VIN numbers on catalytic converters. Authorities are concerned over the troubling rise ...

The police department will offer free VIN (Vehicle Identification Number) etching on catalytic converters, a method that makes it significantly more difficult for thieves to sell the part without ...