Trowalizing also removes scales, rust and annealing colour - effective and efficiently. Practitioners know, with standard compounds not only complex parts remain dowdy, since residues have not been removed from grooves and/or open pores. This must not be accepted!
By the use of special, acid containing alkaline Trowal compounds, the work pieces will simply also get an attractive appearance, nice, bright and clean. It is thorough and economically convincing.