Re: Sandblasting question

Posted by Randy as in Randy-IA on June 23, 2007 at 18:06:54 from (207.177.83.243):

In Reply to: Re: Sandblasting question posted by RustyFarmall on June 23, 2007 at 06:52:47:

Hi Rusty , I've done a lot of sandblasting at work doing semi trailers and construction equipment and that's normally what we use is sandbox sand otherwise known as washed sand "here" . It was ran through a sieve to weed out the gravel . For small or delicate pieces we used silica at a much higher price but we used sandbox sand by the ton when I was blasting rust and paint off . Look closely at sandbox sand and you will see white grains in it , that's the silica part of sand . That's what you don't want to breath . The other darker grains are not silica . Silica is what glass is made from . So ANY sand in blasting is bad for your lungs , it causes what's known as silicosis among other things . But like the others have said that's mostly due to long term exposure or if you are prone to breathing problems already . JMTCW ...Randy

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