Parts cleaning for Heat Treatment

The basic and always valid principle of industrial cleaning is only one: „the like dissolves and removes the like”, i.e.

Non-polar (organic) contamination such as oils (processing, preserving), fats, greases, paraffin, adhesives, resins and petroleum compounds can be removed using only non-polar cleaning media such as chlorinated, halogen-free hydrocarbons and modified alcohols.

Polar (inorganic) contamination such as salts, soaps, emulsions, coolants, polishing pastes and protective paints, traces of dirty hands, dust, scale, rust, grinding, abrasive and blasting residues as well as the chips themselves may be removed only with aqueous solutions and only in a very narrow range of modified alcohols but never with hydrocarbons. By contrast, to a large extent all kinds of grease can be removed with aqueous solutions, but not all of them.

When using either aqueous or solvent-based cleaning systems, no matter with what support (ultrasonic or Cyclic Nucleation Process CNp), we always leave either organic or inorganic contamination on the cleaned pieces. The question then arises: how to achieve the highest cleanliness needed in heat treatment technology before vacuum carburizing, vacuum treatment and all nitriding processes.

If you want to know more, take a look at this site or contact me. I work closely with Karol Forycki, a long-time expert for heat treatment in the automotive industry, and we will certainly find the optimal solution for you both in heat treatment and in other industrial applications.

https://global-heat-treatment-network.com/quality-cleaning-systems/

February 3,  2022

Yours, Jirka Stanislav