For longer stands you should use in tube ( PTFE) and keep the working end as short as possible
These brushes are used for / pickling welds or aluminium welding processes With the available fluids, you can also use for passivation and marking
Carbon fiber brush / acid scrubbing brush to welds You can use these brushes to erase tempered colors from the welding process of stainless steel V2A / V4A / AISI 206 / AISI 304 / AISI 316 or have been quenched and tempered
Selected from metal for durability
These brushes are produced for electrolytic pickling and use with mordants