Very little residue is produced during processing which makes this process easier and safer to handle. Armatone “BBS” has been formulated to significantly reduce the hazards that are associated with room temperature colouring treatments. The coating produced by “BBS” is comparable in hardness with that produced by hot chemical treatments and has similar corrosion resistance. The process is primarily intended for use in rotating Barrels for processing small components, the surface of the metal is not etched during the process and dimensions are not affected. It has also been proved to give good black effects on copper and brass.ĪRMATONE “BBS” is designed to produce a dark Grey to Black colour similar to the “BS” process on mild steel surfaces at room temperature. The process can be glycol thickened and brush applied for touching up work. Parts are usually oiled or waxed after treatment as the blacking process itself is not formulated to impart any corrosion preventive properties. The surface of the metal is not etched, there are no dimensional changes. The process is primarily designed for immersion. Generally used on small parts to give a very hard and resilient coating which vibro/barrel polishes to a high finish.ĪRMATONE “BS”, “BS2” and “BS3” are a range of cold chemical blacking processes which will produce a rich black colour on ferrous articles such as gun parts etc. Supplied as a salt, it is dissolved in water to make up a solution which is heated to operating temperature. The effect from this process gives a distinct bronzing effect.ĪRMABLACK “No2” is a traditional hot blacking process for Copper & Brass. It is generally assumed that zinc will only accept black shades. It can be adjusted to retain a deep black in recesses with polished foreground effect it can be used on medallions.ĪRMATONE “AZ” is a cold process for imparting an antique effect on zinc galvanised parts. This process has no discernible effect on Copper for which purpose, the “CFN” or “BS2” process’s are recommended.ĪRMATONE “ABZ” is a cold process for imparting a lead grey effect on zinc based components. The effects on bright polished brass is particularly attractive. A range of colours for the treatment of Brass & Copper which may be defined as antique bronzes can be supplied across a colour spectrum from light to dark bronze through to black with the following processes.ĪRMATONE “AB” is a cold alkaline black for use on a variety of Brass products such as brass hearth ware or on optical equipment where the elimination of reflection is required. We are currently supplying the following products to many manufacturers in the UK who carry out treatment on a wide range of fancy, ornamental or general metal ware including Buckles, Clasps, Medallions, Coinage (tokens), Statuettes and Fastenings in Brass, Copper, Mild Steel, Nickel, Pewter, Tin Lead and Silver or on electro plated deposits of these metals. COLOURING, ANTIQUE BRONZING, PATINATION & OXIDATION
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