what is sandblasting

Sandblasting, also known as abrasive blasting, is a process that uses abrasive materials propelled at high speeds to clean, smooth, or shape a surface. This technique is widely used in various industries for a range of applications. Here are some benefits of sandblasting:


  1. Surface Preparation:
    • Sandblasting is highly effective for preparing surfaces for coating, painting, or bonding. It removes rust, old paint, scale, and contaminants, creating a clean and profiled surface for improved adhesion.
  2. Rust and Corrosion Removal:
    • Sandblasting is an efficient method for removing rust and corrosion from metal surfaces. The abrasives used in the process can strip away rust, revealing a clean and corrosion-free metal substrate.
  3. Paint Stripping:
    • Sandblasting is an effective way to strip old paint or coatings from surfaces. It can be used on various materials, including metal, wood, and masonry, to prepare surfaces for repainting or refinishing.
  4. Surface Cleaning:
    • Sandblasting is used to clean surfaces contaminated with dirt, grease, oil, or other substances. The high-speed impact of abrasives removes contaminants, leaving a clean surface.
  5. Deburring and Deflashing:
    • Sandblasting is employed for the removal of burrs, sharp edges, and flashings from metal or plastic components. This helps achieve a smoother and more uniform surface.
  6. Texture and Finish:
    • Sandblasting can be used to create various textures or finishes on surfaces. By adjusting the type of abrasive material and the pressure, it is possible to achieve a range of textures, from a smooth satin finish to a rough texture.
  7. Concrete Surface Etching:
    • Sandblasting can be used on concrete surfaces for etching or profiling. This is especially useful in preparing concrete for coatings, overlays, or decorative finishes.
  8. Mold and Contaminant Removal:
    • Sandblasting is effective in removing mold, mildew, and other contaminants from surfaces. It is commonly used in restoration projects or cleaning outdoor surfaces.
  9. Equipment Cleaning:
    • Sandblasting is used for cleaning and maintaining industrial equipment, machinery, and structures. It helps remove built-up residues, coatings, or contaminants from equipment surfaces.
  10. Selective Coating Removal:
    • Sandblasting can be controlled to selectively remove coatings or materials from specific areas, making it a precise method for detailed work.
  11. Efficient and Fast:
    • Sandblasting is a rapid and efficient process, allowing for the quick removal of unwanted materials from surfaces. This can lead to time and cost savings in various applications.

It’s important to note that safety precautions, such as proper protective equipment and environmental considerations, should be taken during sandblasting to prevent health hazards and environmental impact. Additionally, the choice of abrasive material and blasting pressure should be carefully selected based on the specific requirements of the application.

Summary of Sandblasting

Sandblasting forces the abrasive characteristics of sand that creates smoother surfaces with less physical defects and shortcomings. It’s not a secret that sand is gritty and coarse. Because of these characteristics, sandblasting is able to wear away at excessive or undesirable material on surfaces. Sandpaper, for instance, comprises of a lot of individual particles of sand. When moved back and forth on surfaces, the sand removes portions of the top layer material, as a result, creating a smoother texture. Sandblasting works likewise except it requires the utilization of highly pressurized sand.

How Sandblasting Is Performed

The primary step in carrying out sandblasting is the pouring of sand into the sandblasting machine. These machines have chambers on their top in which the sand gets poured. The sandblasting machine then gets connected to a traditional air compressor that, when turned on, forces the sand out through a hand-held nozzle. Subject to the settings, the pressurization of the sand could be anywhere from 50 PSI to 130 PSI.

Following that sand is “blasted” across the surface, and because of its abrasive characteristics, the sand is capable of creating a smooth surface. Concrete, for instance, is typically sandblasted, to either clean it or preparing it for something. Following the concrete being poured and allowed to harden, it’s then sandblasted. This process removes portions of the excess material on the concrete, as a result making it smooth.


STP Performance Coating understands the many benefits of sand blasting. We provide the best sand blasting services throughout the Phoenix Metropolitan area in Arizona including: Phoenix, Glendale, Tempe, Scottsdale, Laveen and more.

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