Our car tire cleaner kit contains sodium hydroxide and disodium EDTA. It can effectively remove dirt, dust, oil stains, etc., and keep the tire clean, make the tire surface look darker and brighter, and improve the appearance of the vehicle. Its use method is very simple: first spray the product evenly on the grinding wheel, and then gently wipe with a sponge, and finally wipe with a towel. Tires can be quickly retreaded and their bright black sheen restored.