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50lbs SILICA (FLINT) 52 (325 MESH)Ground quartz rock. About 99. 8% pure crystalline silica, When melted it forms the primary non crystalline (glassy) structural network in ceramic glazes. A very fine, reactive grade recommended for use in glaze recipes calling for silica, quartz, flint or silicon dioxide. For more information on silica, see the Digitalfire. com Reference Library of ceramic materials. Different Raw Materials ordered in full bag qty (20 kg to 100 lb) will be combined at

mounting screws and diagram included

Simply use the matching backing plate and rotate the multi-shape die to your desired shape

If medium doesn't release

It is used in clay bodies to promote vitrification and in cone 6-10 glazes as an inexpensive glass-former

Gerstley borate

Airfloated fire clay

(alternate brands and grades differ somewhat in effective opacifying power depending on how finely ground they are

An onion red

10%-15% Ultrox Extra added to most clear glazes produces a good white

Can be used with 120V or 240V circuits

For more information on calcium carbonate

Knob is marked Off/Low/Med/High