Products for the treatment of metal surfaces in order to make them resistant to rust as well as tarnishing, namely, rust preservatives in the nature of a coating for metal surfaces, excluding metal surfaces related to HVAC equipment, for use on electroplated and passivated components; protective products for metals, namely, protective preservatives used in electroplating metals to protect against rust, excluding metals related to HVAC equipment, for use on electroplated and passivated compone...