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Dry Blasting

My guess is that 95% of the abrasive blasting done in this country is done with dry blast machines. Here are some advantages, applications, and a few words about the process. If you need help, just ask Rick.

Dry Blast Process

Dry blasting is also known as grit blasting, sandblasting and abrasive blasting. Sandblasting is the process of using compressed air to propel abrasive media at a surface to clean, (usually paint & rust),deburr, or to prepare a surface for a coating of some sort.

There are two kinds of sandblasters or blast cabinets: “Suction” / “Siphon”" & “Pressure” Blast Systems. Pressure systems are ten times faster & much more effective, but also quite a bit more expensive.

There are two basic kinds of sand blasters: Blast Cabinets & Portable Blasters. A typical blast cabinet consists of...

  • Blast cabinet enclosure
  • A good source for lighting the cabinet.
  • Blast gun for directing the abrasive blast
  • Compressed air to accelerate the slurry
  • Exhaust system to maintain cabinet visibility

There is a wide variety of abrasive blast media out there each has its purpose. Some of these include minerals ground to specific size for specific finish results as well as engineered products such as plastic media. See Abrasives page.

Advantages of Dry Blasting

  • Very wide variety of blast media available
  • Very fast surface cleaning
  • Inexpensive blast media in most cases
  • Deeply cleans irregular surfaces
  • Eliminates hand sanding
  • Closed cabinet recycles abrasive media
  • Eliminates the need to use nasty chemicals
  • Leaves a very attractive finish on most metals
  • Provides an excellent surface for bonding
  • Provides an excellent surface for plating

Dry Blast Applications

  • Surface cleaning
  • Etch glass for decorative or functional purposes
  • Peen surfaces for a bright, clean look
  • Clean plastic injection molds
  • Paint stripping
  • Surface preparation for bonding coatings
  • Eliminates metal discoloration in high heat processes
  • Remove flashing from molded parts
  • Surface preparation for bonding composites
  • Burr removal