Re: Scarring of the Lungs From Si Glass Microspheres


"Uncle Al" <UncleAl0@xxxxxxxxxxxxx> wrote in message
news:43358508.C416ACC5@xxxxxxxxxxxxxxxx
> Bret Cahill wrote:
> >
> > The MSDS says to avoid inhaling but they seem to pass right through
> > most filters. I'm guessing they scar the lungs with enough exposure.
> >
> > How dangerous IS this stuff? Is a couple of sneezes worth of MS about
> > the same as a low tar cigarette?
>
> Use a forced air ventilation mask, compressed air line or scuba.
>
> Why should they do much of anything at low dosing? Lung hazards are
> pointy (asbestosis, byssinosis, etc.), crystalline silica, or muck
> organics (coal miners' black lung or smoker's lung). Don't be smoker
> with dead tracheal cilia.
>
> Do glass microspheres trigger pulmonary fibrosis?
>
Don't know but MSDS could be overkill. Particle size is important as well
as shape. Thus difference between asbestos and talc. I would also think
body would degrade the glass if not eliminated by cilia action.


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