Metal Pretreatment

Metal Pretreatment is an important step in our coating process. H&W Global Industries provides a variety of metal pretreatment services include mechanical preparation, pickling, conversion coatings, passivation, black oxide, zinc phosphate plating and titanium conversion coatings.

Mechanical Prep - Used when the objective is to remove all rust and mill scale, abrasive media blasting is used as a mechanical prep metal preparation method.

Pickling Passivation - H&W Global Industries adheres to the standards set forth by The Society for Protective Coatings (SSPC) for pickling passivation and metal preparation.

Aluminum Conversion Coating - H&W Global Industries provides a chromate conversion coating and a chromium-free, RoHS-compliant conversion coating depending on the needs of the customer.

Passivation of Steel - H&W Global Industries handles all types of passivation of stainless steel, utilizing both nitric and citric acids.

Black Oxide Steel - H&W Global Industries is one of the few companies offering black oxide services for stainless steel. Black oxide on stainless steel produces a durable black conversion coating on stainless steel.

Zinc Phosphate Coatings - H&W Global Industries provides Zinc Phosphate coatings, fine or heavy grain.

Titanium Conversion Coating - H&W Global Industries offers a fluoride phosphate conversion coating for titanium - - the process for producing chemical conversion coatings on titanium alloys.