Top anionic and cationic Secrets
Tribological tests had been carried out employing a ball-on-disc T-eleven tester. The balls were being product of metal, Whilst the discs were manufactured from metal, aluminium oxide, zirconium oxide, polyamide and poly(methyl methacrylate). The outline with the gadget plus the methods is provided during the literature (Szczerek and Tuszyński in