What Is Micro-Abrasive Blasting?

The terms ‘shot-blasting’ and ‘sandblasting’ gets banded around a fair bit, but few people understand what it is. In fact, these refer to a variety of processes involving propelling abrasive materials against a surface to clean, shape, smooth and roughen it. Micro-abrasive blasting is another variation on this process.

What is Micro-Abrasive Blasting?

Micro-abrasive is a type of  shot blast machine which, instead of using tiny metal balls, uses fine nozzles of approximately 0.25 mm to 1.5mm in diameter to deliver a fine stream of abrasive material to a small location on a larger piece of material.

Portable Type Automatic Shot Blasting Machine, Rs 500000 /piece ...

How Does Micro-Abrasive Blasting Work?

Micro-abrasive is what it suggests in the name. The abrasive material used is on a micro scale, with the abrasive pieces ranging from 10-150 micrometers, or 0.01-0.15mm!

Because the material used for micro abrasive blasting are so small, they have to be fired at an extremely high pressure to have their desired effect.

Where is Micro-Abrasive Blasting used?

Micro-abrasive blasting is usually only used on areas up to a size of 2-3 cm before a different method of blasting is used. Unlike other similar shot blasting methods, the fine stream of the abrasive material means that it can be even used to engrave fine glass!

As aforementioned, micro-abrasive blasting is for extremely localised areas on materials, and this type of blasting is one which often needs to be done commercially. In factories, micro-abrasive blasting is carried out both manually by hand and automatically by machine.

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