Glass Bead Blasting VS Sandblasting

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Glass Bead Blasting VS Sandblasting

Sandblasting

Sandblasting is a surface treatment process of using compressed air to blast sand or other particles at high speed onto a surface.

It is a way of applying decoration, or removing material from the surface of an object. The process can be applied to almost any type of object, but it is typically used on metal machined parts. The term “sandblast” was first used in 1876 by British engineer Henry Robinson Palmer who invented it for use as a mechanical method of removing unwanted rust from cast iron. 

Bead Blasting

 

Glass bead blasting is a very similar process to sandblasting,  it creates a very smooth and matt finishing surface which is blasted with tiny, high-velocity beads of glass. The beads are shot at the surface at high speeds, breaking off the surface and smoothing it.

sandblasting vs glass bead blasting comparison

 

What is the difference between sandblasting and glass bead blasting, is bead blasting same as sandblasting?

 

Although glass bead blasting and sandblasting are using same equipment and with same processing, but they do have some difference to create different surface finishing for different applications (sand blasting make rough texture finishing while glass bead blating make very smooth finishing, and they both make the surface to be matt finishing)

  • 1. The first difference between glass bead blasting and sandblasting is the type of material used. Glass bead blasting uses glass beads, while sandblasting uses sand.
  • 2. The second difference is the abrasiveness of the process. Sandblasting is more abrasive than glass bead blasting because it uses an abrasive material like sand, while glass bead blasting does not use any kind of material that could damage the surface being coated.
  • 3. The third difference between these two processes is in how they remove coating from metal surfaces. Glass bead blasting removes only the coating from metal surfaces, while sandblasting removes both the coating and any rust or other contaminants on metal surfaces, making it a more thorough process than glass bead blasting alone.

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Author: Mose Li

Author: Mose Li

Director of Project Engineering at 3Q Machining

Materials

The guideline for raw materials, understand more to choose best material for your custom part projects.

Machining Techniques

The guideline for different machining technique, understand more to choose best technique for your custom part projects.

Equipments

The guideline for different machining equipments, understand more to choose best equipments for your custom part projects.

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