TECHNICAL INFO

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Grit type blasting is for removal of paint rust or profiling
Glass beed blasting is used for most of the bright/sheen items such as brass, copper, stainless steeland can be used on gearbox and the alloy engine parts .
Beads as in round rather than sharp grit type is what brings brass, copper, steel , stainless steel, aluminum to a high sheen when used with Vapor Balsting.

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Sand or grit blasting

Sand or Grit blasting is the most commonly used practice, it is a general term used to describe the act of propelling very fine bits of material (media) at high-velocity to clean or etch a surface.

Sand used to be the most commonly used material, but since the lung disease silicosis is caused by extended inhalation of the dust created by sand, other materials are now used in its place. Any small, relatively uniform particles will work, such as steel shot, garnet , Soda and expendable grits powdered abrasives, even bits of walnut shell and so on .
as with all media types size and density will vary on applications required

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Shot blasting

This is commonly used for:
The cleaning of iron, steel, forgings, etc.(calcified rust) Mechanical cleaning of sheets, rods, coils, wire, etc.
Shot peening to alter mechanical properties (increasing resistance to fatigue for springs, gears, etc.)

Preparing surfaces to be painted, coated, etc.

In general shot blasting concentrates abrasive particles at high speed in a controlled manner at the material thereby removing surface contaminates due to the abrasive impact.

Initially in the 1930’s the shot blasting process used compressed air for propelling the (steel shot). This method remains in use today for cleaning metal frames, Girders, Ships (heavy gauge ) items it should not be used on cars or items that are delicate this is an agressive form of blasting.
As with all media types size and density will vary on applications required.

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