Tooling device protection

  • 04-Jun-2010 02:33 EDT
#5717 BirchwoodCasey_TruTemp.jpg

Birchwood Casey’s Tru Temp low-temperature black oxide process protects tooling and fixtures used in all types of manufacturing. In storage, shipment, and start-up, the finish serves as a protective barrier against corrosion and provides break-in lubricity and anti-galling protection. It complies with MIL-DTL-13924, Class 1 and withstands 100-300 h of salt spray. The process is suited for components manufactured to tight tolerances, yet it does not affect function. The finish serves as a direct replacement for zinc phosphate finishes, without the hazardous zinc content. Total process time is 25 min, and operating cost is 2 to 3 cents per pound of finished work. The process operates at 200°F, eliminating the severe splattering and boilover hazards often experienced with conventional hot (290°F) black oxide finishing. Also, its mild solutions prevent red coatings and white salt leaching that often plague ordinary black oxide finishes.

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