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Coatings
Cathodic Protection
If steel- galvanizing
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∙ 13y ago
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How does the paint on a car help to keep it form rusting?
Paint protects the metal from exposure to oxygen .
What protects iron from rusting if attached?
Paint or enamel can protect iron from rusting.
What is metal waterproofing?
A metal water proofer can be a type of coating that will keep it safe from moisture, salt, and the elements. eg" Heavey solids (Zinc) a Sprayable compound protects metal, such as steel from rusting. an enscapulator
Is rusting a metal physical change?
Metal rusting (corrosion) is a chemical change.
What happens when coating on zinc or iron metal gets cracked or damaged?
The zinc coating no longer protects the underlying metal from rusting, once water and air gets through the crack.
What protects upper car parts from rusting?
wax seal
Why galvanizing is done?
Galvanizing protects steel from oxidization (rusting).
What else protects parts such as car doors from rusting?
the paint work
What is an example of a metal corroding?
Rusting
How is rusting controlled?
Polish the metal.
What is the color change when metal rust?
It depends on what metal is 'rusting'.
Why the rusting of an iron bar decrease the strength of the bar?
When rusting occurs, some of the outer metal converts to a crumbly iron oxide that doesn't have the same strength as the metal. The deeper the rusting goes into the metal , the weaker the bar will become.
