Dustless Blasting is a Myth - Blasted Paint

Dustless Blasting is a Myth

DUSTLESS BLASTING IS A MYTH There is no such thing as “dustless” or “dust-free” blasting in the surface preparation industry. All abrasive blasting equipment operating under normal conditions produces dust. Air quality studies have shown that the most effective vapor abrasive blasting machines suppress no more than 92% of dust produced by dry blasting. Blasted Paint vapor abrasive blasting equipment has the test papers to prove up 92% reductions in dust from the manufacturer. If we are blasting indoors in your facility dust reduction is important and we will be happy to provide test facts on request. Other Dustless blasting companies claiming that their equipment is “dustless” or “dust-free” may be misleading you. And we would suggest you ask them to produce the evidence of independent testing? How Dust Occurs When a particle of abrasive media shatters, it breaks down into sub-particles. The smallest sub-particles lack the mass to descend to the ground in the presence of air turbulence produced in the blasting process. With a wet blasting process, the original particle is encapsulated to varying degrees in a water jacket. When the particle shatters upon impact, the ensuing wet sub-particles are weighed down by the water and gravity pulls them to the floor, despite the air turbulence. However, some sub-particles are so small, that even though encapsulated in water they do not take on sufficient mass to counteract the force of air turbulence, and they linger suspended in the atmosphere. In addition, not all sub-particles are encapsulated in water jackets. Sub-particles emitting from the dry interior of the original particle may not become moistened at all. This is why no wet-based blasting system can completely eliminate dust.