Mini Metal Finishing Systems Enables In-House Capabilities

The company says all three processes use a conventional seven-tank immersion process line, and operate at low or room temperature, making the processes easy and safe to operate in-house.

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Birchwood Technologies’ three mini systems are designed for use in small batch metal finishing at low temperatures. Presto Black and TruTemp are designed for iron and steel parts while Lumiclad is designed for aluminum parts. These mini systems are adapted for manufacturers that require in-house capabilities but do not have the necessary volume or space for a full-sized process line. The company says all three processes use a conventional seven-tank immersion process line, and operate at low or room temperature, making the processes easy and safe to operate in-house.

Presto Black is a fifteen-minute process said to provide high corrosion resistance and hold up to 800 hours humidity exposure when sealed with an appropriate rust preventive.

The sealed finish from the low temperature TruTemp process is designed to withstand up to 100 hours of neutral salt spray or several hundred hours of humidity, and protects the metal surface during shipment and storage as well as in service.

The Lumiclad process is said to form a non-dimensional black oxide finish on all aluminum surfaces that is durable, clean and tightly adherent to the metal substrate. 

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