Sandblasting

by: Cobalt327, Jon
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The term "sandblasting" is confusing, as, in its most specific interpretation, it means abrasive blasting using sand as the blasting medium.

More commonly, "sandblasting" is used to refer to abrasive blasting using any blasting medium. This is somewhat of a misnomer, as sand is frequently a poor choice for a blasting medium.

Sandblasting body panels is generally ill-advised

Sandblasting automotive body panels, using sand as the blasting medium, is not recommended, for the following reasons:

• Sandblasting impinges sheet metal.

• Prolonged sand blasting of thin sheet metal causes frictional heat that may warp metal. (disputed; needs confirmation)

• Sand creates chloride ions and corrosive salts that promote rust. (this statement needs confirmation/expansion)

References

• Once and for all: wiki on Soda blasting Hotrodders forum thread

Resources

• Media BlastingHotrodders Knowledge Base

Crankcase Coalition article

• Media blasting
• Soda blasting

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