Subject: Re: impression cavities in brass, alum.

From: [email-masked] (Gary Rosenkranz)
Date: Sun, 25 Jul 93 23:07:00 -0500

what is the best way of casting alum. ? at what temperature does it
melt? Is there a certain type of alum. that will do this job better?
Also is brons stronger, I would like to use this as a cavity for a
plastic injection mold.
                             Gary