Eurol contact cleaner is composed of inert and pure solvents so it has no affect plastics and metals. It is water resistant and moisture repellent and can be used by starting problems caused by moisture. Contact Cleaner spray should be properly shaken before use. Atomize the product over the products you wish to clean and allow the product to soak. Only use Eurol Contact Cleaner Spray in well-ventilated places. Eurol Contact Cleaner Spray is extremely flammable and therefore not suited for use on components generating heat.