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Steel phosphating
large seriesprototypingISO 9001

steel phosphating
steel phosphating
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Production method
large series, prototyping
ISO 9001, ISO/TS 16949, ISO 9100
automotive, for the energy sector


In order to increase the corrosion resistance of the parts, the conductivity or to improve the appearance, ETMA is capable of performing the following surface treatments: • Electrolytics with deposition of: Zinc, Zinc-Nickel, Nickel, Copper, Silver, Tin • Chemicals for: phosphatising and oxidation • Dipping / Spin: Zinc flake coating, top coats and sealants • Dehydrogenation: performed in all parts of medium and high carbon • Degreasing / Wash: in closed chamber with perchloroethylene fulfilling European standards • Deburring / Polishing with abrasives: ceramic and porcelain TECHNICAL TEAM • Our team has expertise and proper technical training adapted to the needs of this special process, making measurement of thickness, corrosion resistance and adhesion RAW MATERIALS • In this domain, ETMA proceeds to the surface treatment of metal parts in a variety of materials: steel, stainless steel, brass and copper EQUIPMENTS • Automatic line: Zinc and Zinc-nickel – Delta AT2 • Automatic line: Copper, Nickel, Tin and Silver – Delta SO • Dip/Spin: Lamellar zinc, top coats and sealants – BValverde • Degreasing – MacDry V2 e EMO Vaiocs Mini II • Deburring – Rosler and Rollwasch • Dehydrogenation unit – Termometalicas • Thickness measurements: Phascope pmp10 , Fischer X-Ray Xu • Salt fog chamber – Himel-Plastoquímica EXAMPLES • Finishes: Zinc plated, nickel plated, Zinc-Nickel, Copper, Tin, Silver, phosphate, oxidised • Springs, clips, terminals, washers and electrical connectors, tubes, protection boxes, shafts, spindles, screws, among others



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