AvtoPortal has already tested rain repellents, and we noticed then that the price and the manufacturer's name do not always guarantee a good result. Now we have decided to look into the so-called super lubricants — deep-penetrating, universal, and silicone compounds. The test involved WD-40, Cobra NX-40, Nanoprotek super lubricant, Hado, Auto Assistance, and Python. The results of our experiment turned out to be unexpected even for us…