Canadian Finishing and Coatings Manufacturing

CFCM Birchwood 400October 15, 2021

The new TRU TEMP 2nd GEN mid-temperature black oxide is a re-engineered and improved finish based on the original Tru Temp XL introduced in 2001. It surpasses the predecessor finish by expanding into finishing a wider range of ferrous metals including iron, steel, tool steels and most stainless steels, all with one black oxide formulation.

TRU TEMP 2nd GEN generates a darker and cleaner black oxide finish on an expanded range of high-alloy and high-strength steels and iron. The magnetite finish is non-dimensional at 1 micron thick and ideal for machined components, non-machined components, powdered metals, MIM parts, tooling, gears, sucker rods and more.

Operating at the optimum temperature range of 200 – 210 F as the original makes it easy to use in-house and operator friendly, says Birchwood. The chemistry is easy to manage and contains no EPA regulated metals, so rinse waters are generally sewerable by neutralizing the pH with a typical discharge range of pH 7-11. Additionally, reaching this pH range takes only 20 percent of the acid than other processes. Since TRU TEMP 2nd GEN requires no effluent treatment, the initial capital investment is only about half of other blackening finishes.

TRU TEMP 2nd GEN protects critical surfaces in storage, shipment and startup while resisting galling, aiding with break-in lubricity, and no salt leaching problems. The process can be designed around several factors including: mix of alloys, hardness and reactivity, condition of the surface prior to blackening, parts handling employed, and the final finish requirement in terms of appearance, gloss and corrosion resistance.

www.birchwoodtechnologies.com 

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