ZERO Halliburton Heat Treat and Anodizing Process

The heating process immediately follows the deep draw process. Called heat treat, this process is critical in making sure ZERO Halliburton shells reach maximum quality hardness and structural rigidity.

Heat treat is a two-stage process.
1. the shells are heated to over 900 degrees for nearly 30 minutes.
2. then they are quenched or sprayed using cold water.

This heating-quenching process shifts the aluminum molecular state from a soft state when the aluminum can be formed or drawn to a cold (or hard) composition, creating a tempered aluminum shell that is basic to all ZERO Halliburton products.

Following the heat treat process, shells are buffed to assure a smooth surface, or in the case of mirror polished cases, the surfaces are buffed to a high shine resembling chrome.

The next step is anodizing. This is a computer controlled electrolytic process in combination with a sulphuric acid solution whereby a chemical film is built upon the shell to prevent corrosion. Fifteen tanks are used in the process, allowing for hot washes, rinses, caustic etches and neutralizers. It is during the anodizing process in which colors such as black and gold are introduced.

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