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Appliances
Why do your appliances corrode?
Seeing rust on your dishwasher or hot water heater probably does not surprise you, since most of us know that unprotected metal exposed to water will rust over time.
Like your car, appliances can be victims of pitting corrosion.
Pitting corrosion can occur when coated or painted surfaces, like the inside of dishwashers and washing machines, become chipped or nicked and then are subjected to a corrosive environment, such as water, dirt, or even lint.
Over time and heavy use, corrosion can build up and destroy part or all of the appliance. Replacing those appliances, as you know, can be very expensive.
Appliances can be protected from corrosion with electroplating, just like your car. Remember, it's important to verify the electroplated coating is thick enough so that it won't peel off or pit and expose the appliance's metal surface to a potentially corrosive environment.
Where will you see corrosion on your appliances?
- Dishwasher interiors
- Washing machine interiors
- All around hot water heaters, including connections and exterior frames
- Small kitchen appliances such as toasters and coffee pots
- Hinges, bolts, and connectors
What can you do to control corrosion on your appliances?
- Check electroplate quality before purchase
- Keep surfaces clean from lint, dirt, or water
- Apply wax to metal surfaces for corrosion protection and attractive finish
- Apply greases (e.g., automobile, petroleum jelly) to moving joints or electrical connections for corrosion protection and flexibility
- Inspect appliances regularly for smooth edges and surfaces without chips or nicks
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