CorrosionX XD is not flammable. Applicable over wet or already rusty surfaces. Extremely resistant against Sulphur, Methane and salt. XD has unlimited shelf life. It does not dry or go sticky. It does not pick up dirt. Superb lubrication factor of 0,4, some 3 times better than engine oil. Safe to 25.000 Volt. Food safe, not food grade. Protects and penetrates even into rusty hydraulic fittings, bolts, hinges, locks, chain drives and winch cables. HD does not go sticky or dry. Used on i.e. chain and sprockets it will not need to be cleaned off, but can simply be topped up with new product.