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Re: [ATM] Acculap vs. Gugholz
There are various grades of acculap.
My default I ship 'Standard' which is in between G64 and G73
(That may explain the 'it is harder' comment)
A pro AND con of it is that it will not change hardness as you heat it more.
It *is* what it *is*.
With Gugolz you can adjust the hardness a bit (and that is an art in itself)
1 tin of Acculap is 3/4 LB (not 1 LB)
a 12" mirror has 4X the area of a 6", so maybe 4lbs (or 4 tins?) will do it.
It you use acculap and it seems too hard, then raise the temp of your
working environment and visa versa.
Tom
http://www.GotGrit.com
Francis J. O'Reilly wrote:
> Does anyone on the list have experience with Acculap? I am in need of some pitch as I am almost out of Gugholz. I am making a lap for a 12.5 f/7 reflector (full thickness).
>
> I am considering Acculap. I'd like to know about your experiences as well as any recommendations as to how much to buy. The stuff comes in odd quantities.
>
> Thank you.
>
> Francis J. O'Reilly
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> ATM mailing list http://www.atmlist.net/
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