[Ronja] Sealant reaction...

[Karel Kulhavy]

On Wed, Apr 11, 2007 at 08:25:54AM +0200, Jakub Sykora wrote:
> This is true, but wrong silicon sealant with active oxygen can speed up 
> rust process even on steel and other materials (every material that 
> suffers from oxidation). The process lasts 10 months for PP-H - but how 
> long it would take to rust steel? I think not so longer. It should be 
> mentioned in Ronja instructions the silicon used to fix the lens should 
> not be sanitary with active oxygen (O1 derived from per-acetic acid), 
> but rather normal.

First it was the acetic one, then I changed to neutral. After realizing there
is some nasty shit in the neutral, I changed back to the acidic. I think the
acidic also holds better but I don't remember for sure.

I am sure I glued down some lenses with the acetic one and it didn't rust even
after many years. It's applied on a painted surface.

CL<
> 
> K
> 
> Karel Kulhavy wrote:
> > On Tue, Apr 10, 2007 at 10:13:33PM +0200, Gyurkó Martin wrote:
> > 
> > [...]
> > 
> >>> Be glad, that it broke before you installed it anywhere.
> >> hehe. this is the life of an R & D engineer. I think I will never get 
> >> another kind of job in my life :D
> >>
> >> Karel, if you need these pictures, I leave them on the server for 1 
> >> week. Maybe on the Ronja homepage there should be mentioned, that this 
> >> kind of problem could happen, etc...
> > 
> > Fortunately, this kinda problem cannot happen if the people are building
> > according to the Ronja instructions, because the pipes are steel.
> > 
> > CL<
> >> New picture with the ring:
> >> http://atomblitz.uw.hu/DSCF1439.JPG
> >>
> >> bye,
> >> Martin
> >>
> >> -- 
> >> Twibright Ronja mailing list http://ronja.twibright.com
> >> Ronja at lists.pointless.net
> >> http://pointless.net/mailman/listinfo/ronja
> > 
> 
> -- 
> Jakub Sýkora
> email: kubajz at kbx.cz       <')
> ICQ: 68976632               ( =-
> mobil: +420 777 594 201      ''
> 
> -- 
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