Tribological tests were being carried out employing a ball-on-disc T-eleven tester. The balls ended up manufactured from steel, Whilst the discs have been crafted from steel, aluminium oxide, zirconium oxide, polyamide and poly(methyl methacrylate). The description of your machine and also the approaches has become provided in the literature (Szczerek https://anionicandcationic06283.onzeblog.com/32024146/sodium-lauryl-sulfate-options