Hot black oxide room temperature black oxide since 1937 hubbard hall has been setting the pace for the metal blackening industry.
Black oxide process equipment.
It is an activator for use before blackening.
Originally developed to replace highly poisonous cyanide methods of bluing our steelkote process does not contain cyanide mercury or heavy metals which are detrimental to the.
From steel and polypropylene tanks to exhaust systems automated hoists filters rectifiers and ion exchange systems epi can design and supply the rack or barrel finishing equipment necessary for a metal finishing job.
Simple inexpensive bath operation.
The black oxide process does not require an acid activation nor is it an electro process.
Chemistries for ferrous non ferrous and powdered metals.
Black oxide plating can be applied to things made from copper.
Certain hardened or specialized steels can prove challenging to blacken with our black oxide solution only blackening to a grey color.
Therefore hydrogen embrittlement is not a factor.
Black oxide on copper is a durable solution that can assist in preventing corrosion for equipment tools and machinery that are made from copper.
Hot black oxide 285 f mid temperature black oxide 225 255 f room temperature black oxide 65 85 f all of our black oxide processes can be used in house saving finishing costs cutting lead times and increasing productivity and quality.
Black oxide on copper is only possible for metal surfaces that are 65 copper or more.
If the parts are scaled or rusty and an acid pickle is required any hydrogen that may have evolved will quickly dissipate in the black oxide tank running temp.
If your needs don t fit our prepackaged systems we can customize to fit your application.
The black oxide process causes virtually no dimensional change to the part which does occur with painting or zinc plating.
Epi is the only supplier to offer all three black oxide chemical processes for steel.
Dubois black oxide lines offer.
A deep uniform black finish with no rub off.
Making black oxide appealing in instances where a coating is required with no build up of material.
Since 1939 du lite has been a leading supplier of black oxide finishing equipment chemicals and accessory products to american and foreign manufacturers.
The development of black magic the first single bath blackening process for steel initated a string of innovations.
Epi is proud to partner with several leading companies to help clients design and source their electroplating or black oxide equipment.
Innovative rectifiers and wetting agents to eliminate the effects of contamination and reduce dragout.
