From: sandman9 (sandman9@optonline.net)
Date: Sat Mar 30 2002 - 17:31:48 PST
90 cfm is the smallest screw type compressor to do sandblast. Why a screw
type? Because you need constant air presser.
----- Original Message -----
From: "Travis S." <tls2771@attbi.com>
To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: Saturday, March 30, 2002 7:06 PM
Subject: Re: [MV] sand blasting
> I agree with Mike, I spent $500.00 on a 60 gallon, 220v, twin cylinder, 7
> hp upright Craftsman compressor with sandblasting in mind but it doesn't
> push nearly enough air to do good blasting. After internet research I
found
> that most proffessional blasting suppliers recommend a minimum 26-28 cfm
for
> a real sandblaster ( not a little siphon toy like I bought). My compressor
> is only capable of pushing 9.9 cfm @ 90psi and you don't get good results
> till your up around 120 psi anyway's. It's a good setup for a cabinet
> blaster and I love it when I'm using my orbital sander or jitterbug but
for
> real sandblasting work it doesn't cut it. By the way I've heard bad things
> about using silica sand ( beach sand), good way to get silicosis. They say
> that commercial crushed glass doesn't contain the same silicates and is
> safer and has better abrasive quality's although it's more expensive.
>
> Travis
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