When a sufficiently hard abrasive particle strikes steel it deforms the surface into a valley and pushes up peaks.
Blasting auto sheet metal.
In the u s the depth profile is measured by mils thousandths of an inch in the metric system the micron one millionth of a meter is used.
But if you plan your projects accordingly the money you lay out for equipment now will pay huge.
It is an excellent rust remover and is intended for more robust metals.
The distance between the top of the peak and the bottom of the valley is known as the depth profile.
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Blasting is fine on panels i was referring to parts where the sand can enter but a pain to remove such as unibody boxed parts such as a sub frame or underside of a hood etc.
I ve hit rusty sheet metal with sand just kept the feed higher lower pressure and further distance.
There really isn t a way to get down to bare metal more efficiently than media blasting.
Convenient added services to our powder coating are silk screening parts machining and sheet metal fabrication plus sand or media blasting.
Sandblasting uses a higher pressure of air to propel sand.
Thus we use our plastic media blasting process in this case.