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Why need Sandblast in Prototyping

Sandblasting or bead blasting is a generic term for the process of smoothing, shaping and cleaning a hard surface by forcing solid particles across that surface at high speeds; the effect is similar to that of using sandpaper, but provides a more even finish with no problems at corners or crannies.

Sandblasting is one of the most common and highly effective methods for the cleaning and maintenance of surfaces. The restoration of surfaces is achieved by striking fine grains of sand at a very high speed through the sandblaster’s nozzle and directly onto the object being cleaned.

One of the greatest advantages of sandblasting lies its speed and efficiency. The properties of sand—including its fine grade and its makeup of small grains—make this substance a powerful abrasive. A cleaning job that would typically take hours by hand or other less effective methods is reduced to just minutes with sandblasting.

Sandblasting equipment typically consists of a chamber in which sand and air are mixed. The mixture travels through a hand-held nozzle to direct the particles toward the surface or workpiece. Nozzles and “Sand” come in a variety of shapes, sizes, and materials.

In prototype,Sandblasting also a common technique. It’s widely used to Plastic especially on Aluminum.Before anodizing,almost aluminum will sandblasting.It’s easy de-burring to save time and labor,but also will have good appearance of products. At SG Prototype,we offer to finish your parts based on our internally defined three finishing levels.

.Coarse (up to 150 grit) •Fine and (up to 320 grit) •Extra fine (up to 600 grit)

Here are some Cases for your reference. Look to SG for your next sandblasting project!

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