Hello,
If it can get it cold enough, the 350 psi blast pressure and the CO2
pellets should make short work of it.
They haul these rigs out to sites like where graffiti people "Tag"
buildings. This is just one of their uses and work/money streams. So going to a
car otherwise immobilized shouldn't be a problem.
Jim Armstrong
In a message dated 2/17/2013 11:23:22 A.M. Eastern Standard Time,
jodyfkerr@gmail.com writes:
I wonder how well that would work for stripping off thick undercoating?
On Sun, Feb 17, 2013 at 9:16 AM, <FHSLOTH13@aol.com> wrote:
> When I worked in a margarine plant we used a frozen carbon dioxide
system;
> a high pressure pump blasted the equipment to be cleaned. All the 35
years
> of paint came off without affecting the metal parts of the machines. It
> would, however, destroy any plastic parts or other materials such as
> insulation.
>
> Fred Baum
> 9470768
> 382002353
>
>
> In a message dated 2/17/2013 10:25:10 A.M. Eastern Standard Time,
> Rollright@aol.com writes:
>
> Hello,
>
> When I bought my Tiger in 1976, I didn't realize how rusty it was under
> that brand new coat of paint.
> in 1979, the rocker bubbled and I tapped the area with my finger. Right
> through...
> So, all around the car fresh metal. Cost nearly as much as the car.
> Another
> complete paint job and rust removal after being hit in the rear in 2000
>
> The trunk floor had been painted (when I bought the car) with a tarry
> substance to cover the surface rust there. Over the years, I've thought
> about
> haw to tackle the trunk and bring it up to the standard of the rest of
the
> car. Recently, I committed to an attack. In the last month I tried
> chemicals
> (paint thinner, lacquer thinner, then acetone) and just made a mess.
Then
> tried a stiff putty knife in a cold garage and got down to rust and
> original paint. But, this approach would take forever and leave the
> paint, rust
> and traces of the tarry stuff. I thought about media blasting but the
> resultant "stuff'" would be there for ages. And get painted in.
>
> This weekend I stumbled on a new (to me) system of blasting: Dry Ice
> blasting. This would make the now dried-out tarry stuff very brittle and
> take
> the trunk area down nicely. And no residual media (Black Beauty, glass
> beads,
> and the like) to worry about.
>
> Anybody done this? Any comments?
>
> Jim Armstrong
> Mk 1A
> 382002083
> LRXFE
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1978 Triumph Spitfire (Mum's) 1981 Triumph TR8
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