A. To the helpful gentleman that recommended the use of reagent-grade materials, you can obtain these materials from www.

The mixed fumes of the acids produce a uniform rust on the surface of the parts (inside and out) in about 12 hours. These processes were later abandoned by major firearm manufacturers as it often took parts days to finish completely, and was very labor-intensive.For guidance about when to provide an SDS and what it should include, see the Health and Safety Executive (HSE) leaflet. Colour case hardening occurs when soft steels were packed in a reasonably airtight crucible in a mixture of charred leather, bone charcoal and wood charcoal. He is a graduate of the University of North Carolina-Chapel Hill and holds a Master’s in Business Administration (MBA) from Duke University. Mfr Part: P1 No damp cabinets or long rusting periods required to get top-quality, good-looking blues and browns. Seller is also excellent with regards to communication, replying to inquiries in a timely manner and confirming part compatibility with the manufacturer.

The above is hazardous and should generally be performed in a lab environment by an experienced technician. This brushing is essential to the final high polished finish required for guns such as the Purdey's Holland and Hollands, etc. If your gun has soldered parts, you may need to use a cotton swab to blue and clean those portions separately.For instance, some cold blue solutions contain a selenium dioxide-based compound that will give your gun a blackish or dark greyish hue. The very same "black oxide" solution which gives a dark black on matte parts gives a jewel blue on mirror polished parts. Here recently I've been building a AK-47 from a demilled kit and instead of painting with guncoat I figured I'd try my hand at rust bluing. It's still got some thin spots that you've got to look closely to see in direct sunlight but I figure with a few more applications it will look as good as my M91 Carcano.