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Black Oxide Finish for Aluminum Parts has 30 min process time.

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Black Oxide Finish for Aluminum Parts has 30 min process time.
Black Oxide Finish for Aluminum Parts has 30 min process time.
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November 29, 2011 - Accommodating manufacturers that require same-day black finishing of small lots, mini BK-LC products enable safe, in-house blackening of parts and achieve durable satin black finish. LUMICLAD® process, which utilizes one heated dip-tank and does not require electrolytic current, forms black oxide coating on aluminum. Process works on all cast and wrought aluminum alloys, forming smooth, black, 1.5 micron thick finish that adheres tightly to aluminum substrate without any rub-off.

New Prototype Scale Aluminum Blackening Line Utilizes New LUMICLAD® Process from Birchwood Casey

(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

Birchwood Casey
7900 Fuller Rd.
Eden Prairie, MN, 55344 2138

Press release date: November 18, 2011

Eden Prairie, Minnesota: Manufacturers requiring same-day black finishing of small lots of aluminum parts now can safely blacken parts in-house and achieve a durable and attractive satin black finish at low cost using the new mini BK-LC line.

Nothing like it - the LUMICLAD® process utilizes a simple dip-tank procedure to form a durable black oxide coating on aluminum. In contrast to the conventional black anodizing, the LUMICLAD process utilizes only one heated tank in the process line and does not require electrolytic current. The process works well on all cast and wrought aluminum alloys and forms a smooth, black finish that is tightly adherent to the aluminum substrate, with no rub-off.

Since the LUMICLAD finish is only 1.5 microns thick, it will not shrink hole diameters or add measurable thickness. Part dimensions are easily maintained, without requiring critical surfaces to be undersized to allow for excessively thick coatings, as is often the case with anodizing. Designed primarily for indoor applications, the LUMICLAD finish enhances the overall appearance and sales appeal of the part, with an inherent lubricity that aids in assembly and break-in of mating surfaces. This combination of properties makes it especially useful for pistons, valves, machine components, tooling, fixturing or other precision machined components.

The electroless LUMICLAD process is especially useful for blackening small parts in bulk loads that are uneconomical to anodize. Fasteners, screw machine parts and stampings and other low value parts generally cannot be anodized because the hand racking labor overwhelms the value of the part itself. The LUMICLAD system can process these parts, in baskets or rotating barrels, with excellent results.

The LUMICLAD process is fast - 30 minutes for most alloys - and meshes well with workflow patterns, thereby eliminating the lengthy turnaround times and high costs of outside finishing. In-process inventory levels can be lowered because parts can be blackened on a justin-time basis.

The patent pending LUMICLAD process was developed and is guaranteed by Birchwood Casey, the originator of the patented TRU TEMP® low temp black oxide process for ferrous metals. The LUMICLAD process is the first and only high quality method for blackening aluminum that doesn't involve the complexities and high costs of electrolytic black anodizing.

The Mini LUMICLAD line can be purchased online for $848. The kit comes complete with seven 5-gallon immersion tanks, covers, immersion heater and a generous supply of LUMICLAD chemical products to operate the entire process for 2-6 months, depending on workloads. Occupying only about 20 square feet, the mini BK-LC Line fits well almost anywhere in the plant, such as in the tool room, prototype or maintenance area or in a manufacturing cell. It is especially useful in job shops where short run blackening is often needed on a "rush" basis.

Want more information? Call 952-937-7931 for Free Brochure. See online at Email:
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