A non-toxic, non-flammable solution designed to restore the lustrous finish and corrosion-resistance of stainless steel by removing surface discolouration produced by TIG and spot welds. KPTNOX 28 is fast-acting, cost effective and compatible with all existing machines. A portable and powerful electrical TIG weld cleaning machine is also available for purchase from Kemplus. It comes with four free 1.8 litre containers of KPTNOX 28.