Re: Blasting

Thomas M. Olsen <tmolsen@...>

Which ever you use in grit-blasting cars, it is best to wear a mask to prevent inhalation of whatever media you are using. A little precaution goes a long way.

Tom Olsen
Newark, Delaware

Eric Hiser wrote:

Be careful with the sand -- inhalation can lead to silicosis. Beads,
aluminum or similar media work well. Baking soda also works well for fine
and delicate jobs.
Eric Hiser
Phoenix, AZ
_____ From: Edwin C Kirstatter [mailto:q1xamacarthur@...] Sent: Friday, August 20, 2004 8:14 PM
To: STMFC@...
Subject: [STMFC] Re. stripping Scalecoat paint.
I use a Blasting cabinet also. It is a whole new ball game. I am not an
expert at it yet. But it does work with a whole lot less fuss and mess. Hold your blasting nozzle at a 45 degree angle to the surface to be
cleaned of paint or corrosion. If the surface has oil or grease the
blasting medium will not penetrate. I use common play sand or beads. I
also have Aluminum oxide for a very finely finished surface. On a brass
model with lots of unreinforced flat surfaces you can warp the metal.
I haven't tried it on a plastic model yet, but if it bounces off that oil
or grease I am sure it will bounce off that plastic an take the paint
with it!
Edwin C. Kirstatter. B&O Modeler. ________________________________________________________________
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