Vapour Blasting or Aqua Blasting is a way of blasting in a special cabinet with glass bead suspended in water, this very delicate blasting process is more of a cleaning technique for car engine components, motorbike heads and cylinders, it gives a very pleasing polished like finish and does not etch plastic, rubber or wiring. The key to vapour blasting is that the finish is produced through flow of water borne abrasive, giving a finer finish due to the flushing action of the water. No media is impregnated into the component, nor is there any dust created by the break-up of media, unlike dry blasting where the finish is produced by sheer force of media impact.
A specially designed pump agitates water and media into a slurry, which is contained within the cabinet sump. Delivery of the slurry to the manual blast nozzle is via a pump and associated hoses located inside the machine. The slurry is pumped at approximately high pressure to the nozzle, and compressed air is introduced at the blast nozzle to accelerate the slurry and provide the cleaning effect on impact, albeit cushioned.
After contact with the component the slurry then drains back into the sump creating a re-circulating system. Fine broken down media and other contaminants are fed via an overflow to a sedimentation filter.
The Difference between Sand Blasting and Vapour Blasting
Sand Blasted Finish
Vapour Blasted Finish
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