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Know anywhere in Australasia one can aquire 30mm or thicker float glass or borosilicate plate glass? I know of suppliers in China that supply out to 70mm thickness but the problem is the minimum order thing,ie like 10 ton or 5000 pieces or 1 container lots. I be interested in grinding a 30+ inch mirror.Currently working on two 22" f5.2 mirrors and one 25" f4.6 mirror but stuck with 19mm float only. Mirror support could be an issue with the 25". I know it can be done as James Dobson went out to 24" on 19mm thickness for a workable mirror and I know of two 30"x1" mirror dobs that are ok.
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